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Transformers(Page2)

A transformer is a device that changes the voltage, also called a power transformer. Performs the step-down and step-up of AC voltage, and makes adjustments necessary for use in electronic devices. The transformer has a structure in which a primary coil and a secondary coil are wound around an iron core. Depending on the position of the iron core and the coil, it is divided into an inner iron type where the coil covers the iron core and an outer iron type where the iron core is outside the coil. Wiring methods are classified into two types: single-phase, which is a 100 V power supply used in offices, and three-phase, which is a 200 V power supply that sends a large amount of power. The winding of the coil is usually compound wound in which the primary and secondary sides are insulated, but there are also smaller auto transformers. There are also types that can be connected with the cover attached, types that can be used overseas and in Japan, portable types that are suitable for on-site construction with different power and voltage, etc.
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    Transformer PAL-UK Series

    Transformer PAL-UK Series

    SWALLOW ELECTRIC

    PAL-UK series. Transformer that can be used on overseas' electronics 240V while traveling in Japan. More compact and lighter than other brand because we used toroidal core.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC100 0.5 ~ 1.5 AC240 Single-phase/single-winding - - 170 ~ 180 NA Available 70 ~ 88 120 ~ 145
    From: ₹ 16,073.51
    Days to Ship: 13 Day(s) or more
    day to ship 13 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Power Transformer, PC42-E Series

    Power Transformer, PC42-E Series

    SWALLOW ELECTRIC

    PC42-E series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC380-400-440 0.05 ~ 0.75 AC200-220 Single-phase/Double-winding A type / E Type Up screw type terminal block 95 ~ 150 Available NA 77 ~ 146 92 ~ 145
    From: ₹ 4,339.85
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Transformer PD41-E Series

    Transformer PD41-E Series

    SWALLOW ELECTRIC

    PD41-E series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC380-400-415-440 0.1 ~ 5 AC100-110-120 Single-phase/Double-winding A type / E Type / B Type Up screw type terminal block 103 ~ 240 Available NA 96 ~ 250 103 ~ 240
    From: ₹ 7,048.27
    Days to Ship: 23 Day(s) or more
    day to ship 23 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    R1 Series Control Transformer

    R1 Series Control Transformer

    SWALLOW ELECTRIC

    R1 series, lug and terminal block are separated. Terminal block (up-screw) cover which is a integral structure of protection cover. Simple wiring without screw-off.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC100 ~ AC100-110 0.3A ~ 0.5A AC6-8-10-12 ~ AC24-32-35-38 Single-phase/Double-winding A type Other 36 ~ 60 NA NA 43 ~ 69 36 ~ 55
    From: ₹ 1,114.91
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    SA12 Series Power Supply Transformer

    SA12 Series Power Supply Transformer

    SWALLOW ELECTRIC

    SA12 series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC100-110 0.03 ~ 1 AC200-220 Single-phase/Double-winding A type / E Type Up screw type terminal block 92 ~ 145 NA NA 77 ~ 146 83 ~ 172
    From: ₹ 3,599.47
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Power Supply Transformer, SA21 Series

    Power Supply Transformer, SA21 Series

    SWALLOW ELECTRIC

    SA21 series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200-220-240 0.1 ~ 0.5 AC100-110-120 Single-phase/Double-winding A type / E Type Up screw type terminal block 102 ~ 122 NA NA 96 ~ 146 102 ~ 145
    From: ₹ 5,754.05
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Transformer SJ21-E Series

    Transformer SJ21-E Series

    SWALLOW ELECTRIC

    SJ21-E series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC180-200-220 0.1 ~ 5 AC100-110-115 Single-phase/Double-winding A type / E Type / B Type Up screw type terminal block 102 ~ 240 Available NA 96 ~ 250 103 ~ 240
    From: ₹ 6,594.85
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    M21 Series Multi-Transformer

    M21 Series Multi-Transformer

    SWALLOW ELECTRIC

    Multi-transformer with ±tap P-type 200V/ S-type 100V terminal block cover mainly applied with 9 output voltages with an integral structure of protection cover. Simple wiring without screw-off.

    [Features]
    · Input side has set terminal of ±10V. Therefore one transformer can process 6 input voltages

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC190-200-210-220-230-240 0.2 ~ 5 AC100-110-120 Single-phase/Double-winding E Type / B Type / F type Up screw type terminal block 116 ~ 240 Available NA 108 ~ 250 100 ~ 240
    From: ₹ 6,353.09
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Multi transformer with M41LED series

    Multi transformer with M41LED series

    SWALLOW ELECTRIC

    Power active with LED illumination and multi-transformer with ±tap P400V / S100V terminal block cover mainly applied with 9 output voltages with an integral structure of protection cover. Simple wiring without screw-off.

    [Features]
    · Connection indication, input side has set terminal of ±20V. Therefore one transformer can process 6 input voltages

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC380-400-420-440-460-480 0.2 ~ 5 AC100-110-120 Single-phase/Double-winding A type / E Type / B Type Up screw type terminal block 110 ~ 240 Available NA 108 ~ 250 116 ~ 240
    From: ₹ 9,166.42
    Days to Ship: 23 Day(s) or more
    day to ship 23 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Transformer 4YSB Series

    Transformer 4YSB Series

    AIHARA

    Single-phase compound / P-type terminal block, primary voltage 420V 440V 460V 480V secondary voltage 200V 220V with shield (E)

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    420 0.05 ~ 3 200 Single-phase/Double-winding A type Screw terminal block 88 ~ 220 Available NA 88 ~ 153 99 ~ 235
    From: ₹ 5,008.56
    Days to Ship: 15 Day(s) or more
    day to ship 15 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Transformer SD Series

    Transformer SD Series

    AIHARA

    Single-phase compound / lug terminal / P-type terminal block primary voltage 100V 110V and 200V 220V secondary voltage 2.5V to 50V

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    100 0.064 28 Single-phase/Double-winding A type Up screw type terminal block 67 Available NA 76 85
    From: ₹ 4,224.65
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    SLB Series

    SLB Series

    AIHARA

    Single-phase compound / lug terminal primary voltage 200V 220V 240V secondary voltage 200V 220V 240V

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    200 0.055 200 Single-phase/Double-winding A type Up screw type terminal block 67 Available NA 76 85
    From: ₹ 4,183.15
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Transformer SR Series

    Transformer SR Series

    AIHARA

    Single phase autotransformer / lug terminal / P-type terminal block primary voltage 200V 220V secondary voltage 100V 110V

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    0-200 0.05 0-100 Single-phase/single-winding A type Other 60 NA NA 70 58
    From: ₹ 1,967.69
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    S Series

    S Series

    AIHARA

    Reference color transformer case of indoor standard:Munsell color system 5Y7/S series of 1 (semigloss)

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    - 0.05 - Other - - 113 - NA 120 170
    From: ₹ 6,696.47
    Days to Ship: 13 Day(s) or more
    day to ship 13 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Reverse V Transformer, 3SV Series

    Reverse V Transformer, 3SV Series

    SWALLOW ELECTRIC

    3SV can change from three-phase to single-phase. Terminal block has color cords to avoid faulty wiring. (To 5KVA)

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200 0.5 ~ 1 AC100 Three-phase/double-winding A type Other 190 ~ 260 NA NA 210 ~ 250 150
    From: ₹ 27,961.18
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    AG-D Series, In Japan And Overseas Type Transformer

    AG-D Series, In Japan And Overseas Type Transformer

    SWALLOW ELECTRIC

    AG-D series. Japanese product can be used overseas and overseas product can be used in Japan. Multi-type transformer with voltage of 6 inputs and 6 outputs.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC100-110-120-200-220-240 1 ~ 1.5 AC100-110-120-200-220-240 Single-phase/single-winding - - 190 NA Available 170 183
    From: ₹ 26,541.96
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    AU-AP Series

    AU-AP Series

    SWALLOW ELECTRIC

    AU-AP series. Transformer that can be used on overseas' electronics 120V while traveling in Japan.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC100 1 ~ 1.5 AC120 Single-phase/single-winding - - 195 NA Available 130 135
    From: ₹ 14,659.67
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Transformer AVR-A Series AC Constant Voltage Power Supply Unit

    Transformer AVR-A Series AC Constant Voltage Power Supply Unit

    SWALLOW ELECTRIC

    AVR-A series· 100V slide stabilized power supply.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC100 1 ~ 2 AC100 Single-phase/single-winding - - 225 ~ 300 NA Available 145 ~ 210 150 ~ 250
    From: ₹ 42,433.20
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    PAL-AP Series

    PAL-AP Series

    SWALLOW ELECTRIC

    PAL-AP series, transformers made 100V electronics can be used in different countries of 110 to 130V during travel.

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC110 to 130 1 ~ 1.5 AC100 Single-phase/single-winding - - 195 NA Available 130 135
    From: ₹ 14,709.22
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    PAL Series, International Transformer (Operating Capacity 150 V, 350 V)

    PAL Series, International Transformer (Operating Capacity 150 V, 350 V)

    SWALLOW ELECTRIC

    PAL-E series, transformers made 100V electronics can be used in different countries of to 240V during travel.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC240 0.15 ~ 0.35 AC100 Single-phase/single-winding - - 120 ~ 150 NA Available 90 ~ 110 90 ~ 140
    From: ₹ 9,133.89
    Days to Ship: 20 Day(s) or more
    day to ship 20 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    PAL-UE Series Transformer for Use in Japan

    PAL-UE Series Transformer for Use in Japan

    SWALLOW ELECTRIC

    PAL-UE series. Transformer that can be used on overseas' electronics 220 to 230V while traveling in Japan. More compact and lighter than other brand because we used toroidal core.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC100 0.51 ~ 1.5 AC220 to 230 Single-phase/single-winding - - 120 ~ 145 NA Available 70 ~ 88 170 ~ 180
    From: ₹ 15,557.84
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    R2 Series Control Transformer

    R2 Series Control Transformer

    SWALLOW ELECTRIC

    R2 series, lug and terminal block are separated. Terminal block (up-screw) cover which is a integral structure of protection cover. Simple wiring without screw-off.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200-220 - AC6-8-10-12 ~ AC14-16-18-20 Single-phase/Double-winding A type Other 35 ~ 51 NA NA 43 ~ 60 36 ~ 45
    From: ₹ 1,120.00
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Transformer RTB Series

    Transformer RTB Series

    SWALLOW ELECTRIC

    RTB series, transformer with mobile plug and socket. Can be used in temporary sites with different voltages. Transformer with built-in toroidal is small and light.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200 2 ~ 3 AC100-115 Single-phase/single-winding B Type - 220 ~ 280 NA Available 120 ~ 135 200 ~ 230
    From: ₹ 33,315.82
    Days to Ship: 20 Day(s) or more
    day to ship 20 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    SB11-E Series Power Transformer

    SB11-E Series Power Transformer

    SWALLOW ELECTRIC

    SB11-E series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC100-110 0.05 ~ 5 AC100-110 Single-phase/Double-winding A type / E Type / B Type Up screw type terminal block 92 ~ 240 Available NA 77 ~ 250 95 ~ 240
    From: ₹ 4,160.51
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Power Transformer with LED, SC-EL Series

    Power Transformer with LED, SC-EL Series

    SWALLOW ELECTRIC

    SC21-EL series, power active with LED illumination. Terminal block (up-screw) cover which is an integral structure of protection cover. Simple wiring without screw-off

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200-220 0.1 ~ 10 AC100-110 Single-phase/Double-winding A type / E Type / B Type Up screw type terminal block 102 ~ 280 Available NA 96 ~ 290 103 ~ 430
    From: ₹ 5,863.89
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    SC21-E Series Power Transformer

    SC21-E Series Power Transformer

    SWALLOW ELECTRIC

    Power transformer that can be wired without removing the cover or screws.
    [Features]
    · Primary voltage: 220 to 200 V / Secondary voltage: 110 to 100 V.
    · Single-phase double-winding.
    · Screw clamp type terminal block.
    [Applications]
    · Use to significantly reduce work compared to that for conventional terminal blocks.

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200-220 0.03 ~ 1.5 AC100-110 Single-phase/Double-winding A type / E Type Up screw type terminal block 92 ~ 183 Available / NA NA 77 ~ 180 88 ~ 180
    From: ₹ 3,405.25
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Transformer in Case, SCK21 Series

    Transformer in Case, SCK21 Series

    SWALLOW ELECTRIC

    SCK21 series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200-220 0.05 ~ 1 AC100-110 Single-phase/Double-winding A type / E Type Up screw type terminal block 135 ~ 182 NA Available 180 ~ 215 150 ~ 211
    From: ₹ 8,095.04
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Power Supply Transformer, SG21-E Series

    Power Supply Transformer, SG21-E Series

    SWALLOW ELECTRIC

    SG21-E series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC190-200-210 0.1 ~ 5 AC100-110-115 Single-phase/Double-winding A type / E Type / B Type Up screw type terminal block 102 ~ 240 Available NA 96 ~ 250 103 ~ 240
    From: ₹ 6,642.07
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    SO21 Series Single-Winding Transformer

    SO21 Series Single-Winding Transformer

    SWALLOW ELECTRIC

    SO21 series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200-220 0.05 ~ 15 AC100-110 Single-phase/single-winding A type / E Type / B Type Up screw type terminal block / Other 92 ~ 380 NA NA 77 ~ 260 88 ~ 270
    From: ₹ 3,599.47
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Single-phase Auto Power Transformer, SOK21 Series

    Single-phase Auto Power Transformer, SOK21 Series

    SWALLOW ELECTRIC

    SOK21 series. Terminal block (up-screw) cover which has become one with protection cover. Work time is sharply shortened than other brand because wiring is available without screw-off.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200-220 0.1 ~ 15 AC100-110 Single-phase/single-winding A type / E Type / B Type Up screw type terminal block / Other 150 ~ 450 NA Available 180 ~ 360 135 ~ 500
    From: ₹ 8,501.20
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    SVR Series

    SVR Series

    SWALLOW ELECTRIC

    SVR series. Thyristor 100V stabilized power supply. Rapidly response to voltage changes. Efficient and high performance.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC100 1 ~ 3 AC100 Single-phase/single-winding - - 250 ~ 320 NA Available 145 ~ 180 180 ~ 230
    From: ₹ 71,919.20
    Days to Ship: 13 Day(s) or more
    day to ship 13 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Multi transformer with M21LED series

    Multi transformer with M21LED series

    SWALLOW ELECTRIC

    Power active with LED illumination and multi-transformer. With ±tap P200V / S100V cover mainly applied with 9 output voltages with an integral structure of protection cover· Simple wiring without screw-off

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC190-200-210-220-230-240 0.2 ~ 5 AC100-110-120 Single-phase/Double-winding A type / E Type / B Type Up screw type terminal block 110 ~ 240 Available NA 108 ~ 250 116 ~ 240
    From: ₹ 8,807.45
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    M41 Series, Multi-Transformer

    M41 Series, Multi-Transformer

    SWALLOW ELECTRIC

    Multi-transformer with ±tap P· 400V /S· 100V cover mainly applied with 9 output voltages with an integral structure of protection cover· Simple wiring without screw-off

    CAD :
    2D
    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC380-400-420-440-460-480 0.2 ~ 5 AC100-110-120 Single-phase/Double-winding A type / E Type / B Type Up screw type terminal block 110 ~ 240 Available NA 108 ~ 250 116 ~ 240
    From: ₹ 6,643.75
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Portable Case Included, Step-Down Transformer, KS Series

    Portable Case Included, Step-Down Transformer, KS Series

    TOYOZUMI

    When power voltage at 200 V, it is convenient for using equipments of 100 V. It is portable, which is perfect for using it while placing it temporarily.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    200 0.6 ~ 1.5 100 Single-phase/single-winding B Type Other 164 ~ 180 NA Available 134 ~ 154 178 ~ 200
    From: ₹ 26,106.53
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Transformer CLB Series

    Transformer CLB Series

    AIHARA

    Compact product with size and weight are 20-40% less than other brand. The voltage number was marked in different colors on terminal block to avoid faulty wiring.


    [Features]
    · 1kVA The corresponding class of 3 kg decreased.
    · Connection terminal block is summoned on one side to improve the efficiency of wiring.
    · The voltage number was marked in different colors on terminal block to avoid faulty wiring.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    200 ~ 220-200-0 1 ~ 5 100 ~ 110-100-0 Single-phase/Double-winding B Type Screw terminal block / Other 147 ~ 227 Available NA 153 ~ 210 140 ~ 220
    From: ₹ 28,197.99
    Days to Ship: 6 Day(s) or more
    day to ship 6 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Singe-Phase Single-Winding Transformer, STP-A series

    Singe-Phase Single-Winding Transformer, STP-A series

    KAMADASIGNAL

    [Attention]
    · Picture is representative image.
    · Made by Kamata signal machine
    · Capacity is series of 100VA to 10KVA.

    Primary voltage(V) Capacity(kVA) Secondary voltage(V) Number of phases/winding Insulation type Input/output terminal shape Dimension vertical(mm) Shield presence With/without Case Dimension width(mm) Dimension depth(mm)
    AC200-220 0.1 ~ 0.5 AC100-110 Single-phase/single-winding A type Screw terminal block 87 ~ 109 NA NA 79 ~ 106 88 ~ 118
    From: ₹ 3,599.47
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
Brand
Product Series
CAD
From
Days to Ship
Primary voltage(V)
Capacity(kVA)
Secondary voltage(V)
Number of phases/winding
Insulation type
Input/output terminal shape
Dimension vertical(mm)
Shield presence
With/without Case
Dimension width(mm)
Dimension depth(mm)

    You can add up to 6 items per a category to the compare list.

    Transformer PAL-UK Series

        You can add up to 6 items per a category to the compare list.

        Power Transformer, PC42-E Series

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            Transformer PD41-E Series

                You can add up to 6 items per a category to the compare list.

                R1 Series Control Transformer

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                    SA12 Series Power Supply Transformer

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                        Power Supply Transformer, SA21 Series

                            You can add up to 6 items per a category to the compare list.

                            Transformer SJ21-E Series

                                You can add up to 6 items per a category to the compare list.

                                M21 Series Multi-Transformer

                                    You can add up to 6 items per a category to the compare list.

                                    Multi transformer with M41LED series

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                                        Transformer 4YSB Series

                                            You can add up to 6 items per a category to the compare list.

                                            Transformer SD Series

                                                You can add up to 6 items per a category to the compare list.

                                                SLB Series

                                                    You can add up to 6 items per a category to the compare list.

                                                    Transformer SR Series

                                                        You can add up to 6 items per a category to the compare list.

                                                        S Series

                                                            You can add up to 6 items per a category to the compare list.

                                                            Reverse V Transformer, 3SV Series

                                                                You can add up to 6 items per a category to the compare list.

                                                                AG-D Series, In Japan And Overseas Type Transformer

                                                                    You can add up to 6 items per a category to the compare list.

                                                                    AU-AP Series

                                                                        You can add up to 6 items per a category to the compare list.

                                                                        Transformer AVR-A Series AC Constant Voltage Power Supply Unit

                                                                            You can add up to 6 items per a category to the compare list.

                                                                            PAL-AP Series

                                                                                You can add up to 6 items per a category to the compare list.

                                                                                PAL Series, International Transformer (Operating Capacity 150 V, 350 V)

                                                                                    You can add up to 6 items per a category to the compare list.

                                                                                    PAL-UE Series Transformer for Use in Japan

                                                                                        You can add up to 6 items per a category to the compare list.

                                                                                        R2 Series Control Transformer

                                                                                            You can add up to 6 items per a category to the compare list.

                                                                                            Transformer RTB Series

                                                                                                You can add up to 6 items per a category to the compare list.

                                                                                                SB11-E Series Power Transformer

                                                                                                    You can add up to 6 items per a category to the compare list.

                                                                                                    Power Transformer with LED, SC-EL Series

                                                                                                        You can add up to 6 items per a category to the compare list.

                                                                                                        SC21-E Series Power Transformer

                                                                                                            You can add up to 6 items per a category to the compare list.

                                                                                                            Transformer in Case, SCK21 Series

                                                                                                                You can add up to 6 items per a category to the compare list.

                                                                                                                Power Supply Transformer, SG21-E Series

                                                                                                                    You can add up to 6 items per a category to the compare list.

                                                                                                                    SO21 Series Single-Winding Transformer

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                                                                                                                        Single-phase Auto Power Transformer, SOK21 Series

                                                                                                                            You can add up to 6 items per a category to the compare list.

                                                                                                                            SVR Series

                                                                                                                                You can add up to 6 items per a category to the compare list.

                                                                                                                                Multi transformer with M21LED series

                                                                                                                                    You can add up to 6 items per a category to the compare list.

                                                                                                                                    M41 Series, Multi-Transformer

                                                                                                                                        You can add up to 6 items per a category to the compare list.

                                                                                                                                        Portable Case Included, Step-Down Transformer, KS Series

                                                                                                                                            You can add up to 6 items per a category to the compare list.

                                                                                                                                            Transformer CLB Series

                                                                                                                                                You can add up to 6 items per a category to the compare list.

                                                                                                                                                Singe-Phase Single-Winding Transformer, STP-A series
                                                                                                                                                  Brand

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  AIHARA

                                                                                                                                                  AIHARA

                                                                                                                                                  AIHARA

                                                                                                                                                  AIHARA

                                                                                                                                                  AIHARA

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  SWALLOW ELECTRIC

                                                                                                                                                  TOYOZUMI

                                                                                                                                                  AIHARA

                                                                                                                                                  KAMADASIGNAL

                                                                                                                                                  Product Series

                                                                                                                                                  Transformer PAL-UK Series

                                                                                                                                                  Power Transformer, PC42-E Series

                                                                                                                                                  Transformer PD41-E Series

                                                                                                                                                  R1 Series Control Transformer

                                                                                                                                                  SA12 Series Power Supply Transformer

                                                                                                                                                  Power Supply Transformer, SA21 Series

                                                                                                                                                  Transformer SJ21-E Series

                                                                                                                                                  M21 Series Multi-Transformer

                                                                                                                                                  Multi transformer with M41LED series

                                                                                                                                                  Transformer 4YSB Series

                                                                                                                                                  Transformer SD Series

                                                                                                                                                  SLB Series

                                                                                                                                                  Transformer SR Series

                                                                                                                                                  S Series

                                                                                                                                                  Reverse V Transformer, 3SV Series

                                                                                                                                                  AG-D Series, In Japan And Overseas Type Transformer

                                                                                                                                                  AU-AP Series

                                                                                                                                                  Transformer AVR-A Series AC Constant Voltage Power Supply Unit

                                                                                                                                                  PAL-AP Series

                                                                                                                                                  PAL Series, International Transformer (Operating Capacity 150 V, 350 V)

                                                                                                                                                  PAL-UE Series Transformer for Use in Japan

                                                                                                                                                  R2 Series Control Transformer

                                                                                                                                                  Transformer RTB Series

                                                                                                                                                  SB11-E Series Power Transformer

                                                                                                                                                  Power Transformer with LED, SC-EL Series

                                                                                                                                                  SC21-E Series Power Transformer

                                                                                                                                                  Transformer in Case, SCK21 Series

                                                                                                                                                  Power Supply Transformer, SG21-E Series

                                                                                                                                                  SO21 Series Single-Winding Transformer

                                                                                                                                                  Single-phase Auto Power Transformer, SOK21 Series

                                                                                                                                                  SVR Series

                                                                                                                                                  Multi transformer with M21LED series

                                                                                                                                                  M41 Series, Multi-Transformer

                                                                                                                                                  Portable Case Included, Step-Down Transformer, KS Series

                                                                                                                                                  Transformer CLB Series

                                                                                                                                                  Singe-Phase Single-Winding Transformer, STP-A series

                                                                                                                                                  CAD
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  • 2D
                                                                                                                                                  From

                                                                                                                                                  ₹ 16,073.51

                                                                                                                                                  ₹ 4,339.85

                                                                                                                                                  ₹ 7,048.27

                                                                                                                                                  ₹ 1,114.91

                                                                                                                                                  ₹ 3,599.47

                                                                                                                                                  ₹ 5,754.05

                                                                                                                                                  ₹ 6,594.85

                                                                                                                                                  ₹ 6,353.09

                                                                                                                                                  ₹ 9,166.42

                                                                                                                                                  ₹ 5,008.56

                                                                                                                                                  ₹ 4,224.65

                                                                                                                                                  ₹ 4,183.15

                                                                                                                                                  ₹ 1,967.69

                                                                                                                                                  ₹ 6,696.47

                                                                                                                                                  ₹ 27,961.18

                                                                                                                                                  ₹ 26,541.96

                                                                                                                                                  ₹ 14,659.67

                                                                                                                                                  ₹ 42,433.20

                                                                                                                                                  ₹ 14,709.22

                                                                                                                                                  ₹ 9,133.89

                                                                                                                                                  ₹ 15,557.84

                                                                                                                                                  ₹ 1,120.00

                                                                                                                                                  ₹ 33,315.82

                                                                                                                                                  ₹ 4,160.51

                                                                                                                                                  ₹ 5,863.89

                                                                                                                                                  ₹ 3,405.25

                                                                                                                                                  ₹ 8,095.04

                                                                                                                                                  ₹ 6,642.07

                                                                                                                                                  ₹ 3,599.47

                                                                                                                                                  ₹ 8,501.20

                                                                                                                                                  ₹ 71,919.20

                                                                                                                                                  ₹ 8,807.45

                                                                                                                                                  ₹ 6,643.75

                                                                                                                                                  ₹ 26,106.53

                                                                                                                                                  ₹ 28,197.99

                                                                                                                                                  ₹ 3,599.47

                                                                                                                                                  Days to Ship 13 Day(s) or more 5 Day(s) or more 23 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 23 Day(s) or more 15 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 13 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 20 Day(s) or more 5 Day(s) or more 5 Day(s) or more 20 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 13 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 6 Day(s) or more 5 Day(s) or more
                                                                                                                                                  Primary voltage(V)AC100AC380-400-440AC380-400-415-440AC100 ~ AC100-110AC100-110AC200-220-240AC180-200-220AC190-200-210-220-230-240AC380-400-420-440-460-4804201002000-200-AC200AC100-110-120-200-220-240AC100AC100AC110 to 130AC240AC100AC200-220AC200AC100-110AC200-220AC200-220AC200-220AC190-200-210AC200-220AC200-220AC100AC190-200-210-220-230-240AC380-400-420-440-460-480200200 ~ 220-200-0AC200-220
                                                                                                                                                  Capacity(kVA)0.5 ~ 1.50.05 ~ 0.750.1 ~ 50.3A ~ 0.5A0.03 ~ 10.1 ~ 0.50.1 ~ 50.2 ~ 50.2 ~ 50.05 ~ 30.0640.0550.050.050.5 ~ 11 ~ 1.51 ~ 1.51 ~ 21 ~ 1.50.15 ~ 0.350.51 ~ 1.5-2 ~ 30.05 ~ 50.1 ~ 100.03 ~ 1.50.05 ~ 10.1 ~ 50.05 ~ 150.1 ~ 151 ~ 30.2 ~ 50.2 ~ 50.6 ~ 1.51 ~ 50.1 ~ 0.5
                                                                                                                                                  Secondary voltage(V)AC240AC200-220AC100-110-120AC6-8-10-12 ~ AC24-32-35-38AC200-220AC100-110-120AC100-110-115AC100-110-120AC100-110-120200282000-100-AC100AC100-110-120-200-220-240AC120AC100AC100AC100AC220 to 230AC6-8-10-12 ~ AC14-16-18-20AC100-115AC100-110AC100-110AC100-110AC100-110AC100-110-115AC100-110AC100-110AC100AC100-110-120AC100-110-120100100 ~ 110-100-0AC100-110
                                                                                                                                                  Number of phases/windingSingle-phase/single-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/single-windingOtherThree-phase/double-windingSingle-phase/single-windingSingle-phase/single-windingSingle-phase/single-windingSingle-phase/single-windingSingle-phase/single-windingSingle-phase/single-windingSingle-phase/Double-windingSingle-phase/single-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/single-windingSingle-phase/single-windingSingle-phase/single-windingSingle-phase/Double-windingSingle-phase/Double-windingSingle-phase/single-windingSingle-phase/Double-windingSingle-phase/single-winding
                                                                                                                                                  Insulation type-A type / E TypeA type / E Type / B TypeA typeA type / E TypeA type / E TypeA type / E Type / B TypeE Type / B Type / F typeA type / E Type / B TypeA typeA typeA typeA type-A type------A typeB TypeA type / E Type / B TypeA type / E Type / B TypeA type / E TypeA type / E TypeA type / E Type / B TypeA type / E Type / B TypeA type / E Type / B Type-A type / E Type / B TypeA type / E Type / B TypeB TypeB TypeA type
                                                                                                                                                  Input/output terminal shape-Up screw type terminal blockUp screw type terminal blockOtherUp screw type terminal blockUp screw type terminal blockUp screw type terminal blockUp screw type terminal blockUp screw type terminal blockScrew terminal blockUp screw type terminal blockUp screw type terminal blockOther-Other------Other-Up screw type terminal blockUp screw type terminal blockUp screw type terminal blockUp screw type terminal blockUp screw type terminal blockUp screw type terminal block / OtherUp screw type terminal block / Other-Up screw type terminal blockUp screw type terminal blockOtherScrew terminal block / OtherScrew terminal block
                                                                                                                                                  Dimension vertical(mm)170 ~ 18095 ~ 150103 ~ 24036 ~ 6092 ~ 145102 ~ 122102 ~ 240116 ~ 240110 ~ 24088 ~ 220676760113190 ~ 260190195225 ~ 300195120 ~ 150120 ~ 14535 ~ 51220 ~ 28092 ~ 240102 ~ 28092 ~ 183135 ~ 182102 ~ 24092 ~ 380150 ~ 450250 ~ 320110 ~ 240110 ~ 240164 ~ 180147 ~ 22787 ~ 109
                                                                                                                                                  Shield presenceNAAvailableAvailableNANANAAvailableAvailableAvailableAvailableAvailableAvailableNA-NANANANANANANANANAAvailableAvailableAvailable / NANAAvailableNANANAAvailableAvailableNAAvailableNA
                                                                                                                                                  With/without CaseAvailableNANANANANANANANANANANANANANAAvailableAvailableAvailableAvailableAvailableAvailableNAAvailableNANANAAvailableNANAAvailableAvailableNANAAvailableNANA
                                                                                                                                                  Dimension width(mm)70 ~ 8877 ~ 14696 ~ 25043 ~ 6977 ~ 14696 ~ 14696 ~ 250108 ~ 250108 ~ 25088 ~ 153767670120210 ~ 250170130145 ~ 21013090 ~ 11070 ~ 8843 ~ 60120 ~ 13577 ~ 25096 ~ 29077 ~ 180180 ~ 21596 ~ 25077 ~ 260180 ~ 360145 ~ 180108 ~ 250108 ~ 250134 ~ 154153 ~ 21079 ~ 106
                                                                                                                                                  Dimension depth(mm)120 ~ 14592 ~ 145103 ~ 24036 ~ 5583 ~ 172102 ~ 145103 ~ 240100 ~ 240116 ~ 24099 ~ 235858558170150183135150 ~ 25013590 ~ 140170 ~ 18036 ~ 45200 ~ 23095 ~ 240103 ~ 43088 ~ 180150 ~ 211103 ~ 24088 ~ 270135 ~ 500180 ~ 230116 ~ 240116 ~ 240178 ~ 200140 ~ 22088 ~ 118

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                                                                                                                                                  Related Categories to Transformers

                                                                                                                                                  FAQ Transformers

                                                                                                                                                  Question: What is the difference between 1 phase transformers and 3 phase transformers.
                                                                                                                                                  Answer: 1. In a single-phase transformer, the electricity is supplied through two wires called Line and neutral. In three phase transformers, the electricity is supplied through three wires (four wires if neutral wire is included).
                                                                                                                                                  2. The voltage of single-phase transformer supply is 230V whereas three-phase transformer supply is 415V.
                                                                                                                                                  3. The efficiency of a three-phase transformer is significantly higher than a single-phase supply and the power transfer capability is also more.
                                                                                                                                                  Question: How many types of transformers?
                                                                                                                                                  Answer: Type of transformer can be separated by different types of applications.
                                                                                                                                                  1. Transformer types based on core structure.
                                                                                                                                                     1.1) Iron core transformer
                                                                                                                                                     1.2) Shell core transformer
                                                                                                                                                     1.3) H-type core transformer
                                                                                                                                                  2. Transformer types based on electric system.
                                                                                                                                                     2.1) Single-phase transformer
                                                                                                                                                     2.2) Three-phase transformer
                                                                                                                                                  3. Transformer types based on voltage level.
                                                                                                                                                     3.1) Step-up transformer which is use for boost voltage up then transmit to secondary side.
                                                                                                                                                     3.2) Step-down transformer which is use for reducing voltage down then transmit to secondary side.
                                                                                                                                                     3.3) Isolation transformer which voltage at primary and secondary side are same. Typically, applicable for Laboratory which is need stable voltage and current.
                                                                                                                                                  Question: What is transformer maintenance method?
                                                                                                                                                  Answer: 1. Should install and using in low-humidity to prevent short circuit issue.
                                                                                                                                                  2. Installation place should be good for heat transfer.
                                                                                                                                                  3. Always keep cleaning heat transfer component.
                                                                                                                                                  4. Always keep inspection terminal and wire.
                                                                                                                                                  Question: Why transformer is necessary?
                                                                                                                                                  Answer: Transformers is necessary because each electric device need different level of voltage. So, we must use transformer to adjust the electrical voltage from power source to sub-unit. Such as, reduce voltage from high-power electric post to the building and transformer for reduce voltage level from electric source of building to each electrical home appliance as well.
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