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Part Number Complete

ZE-Q21-2S
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Specification/Dimensions

  • Lever Shape Type

    • Arm Lever
      • Roller, Arm Lever
      • Seal, Roller, Arm Lever
      • Unidirectional Operation Seal Roller Arm Lever

    Clear

  • Detector element details

    • Cross roller plunger
    • One-way action sealed roller arm lever type
    • Roller arm lever type
    • Sealed plunger type
    • Sealed roller arm lever type

    Clear

  • Conduit size

    • G1/2
    • 1/2-14NPSM
    • Pg13.5

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  • Built-in Switch Specification

    • Single pole double throw (AC)
    • Single pole double throw (DC)

    Clear

  • AC Rated Voltage

    • 125 / 250 / 480

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  • DC Rated Voltage

    • 8 / 14 / 30 / 125 / 250
    • 125 / 250

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  • type

    • XE
    • XV
    • XV2
    • ZE
    • ZV
    • ZV2

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  • Detector Shape

    • Plunger Type
    • Lever Shape (push)
    • Roller lever type

    Clear

  • Plunger Shape Type

    • Top Plunger
      • Seal, Plungers
      • Top, Plunger
    • Roller Plungers
      • Cross Roller Plunger
      • Roller Plunger
      • Seal, Cross, Roller Plungers
      • Seal, Roller Plungers

    Clear

  • Boot Seal

    • No
    • Presence

    Clear

  • Force Required for Push Side O.F.(N)

    • 2.45~3.43
    • 4.9
    • 5
    • 5.59
    • 6.28
    • 6.47
    • 7.26
    • 7.85
    • 10.2

    Clear

  • Contact Type

    • Single Pole Double Throw

    Clear

  • Specification of Terminal

    • 1/2 - 14NPSM / ground terminal not included
    • Pg13.5 / ground terminal included
    • Ground terminal included
    • Ground terminal not included

    Clear

  • Mounting system

    • Bottom mounting
    • Side diagonal mounting
    • Side diagonal mounting type
    • Side mounted

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  • CAD

    • 2D
    • 3D

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Days to Ship

    • All
    • Same day
    • 5 Day(s) or Less
    • 6 Day(s) or Less
    • 7 Day(s) or Less
    • 8 Day(s) or Less
    • 9 Day(s) or Less
    • 12 Day(s) or Less
    • 13 Day(s) or Less
    • 35 Day(s) or Less

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Specify Alterations

General-Purpose Enclosed Switch [ZE/ZV/ZV2/XE/XV/XV2] (ZE-Q21-2S)

General-Purpose Enclosed Switch [ZE/ZV/ZV2/XE/XV/XV2] (ZE-Q21-2S)
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Brand :

OMRON

OMRON

Part Number :
ZE-Q21-2S
ZE-Q21-2S

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Product DetailProduct Detail

Product Description

Built-in general-purpose basic switch Z.
Side mounting type.

[Features]
· General-purpose seal switch with high durability and large breaking capacity.
· ZE, ZV, ZV2 has built-in general-purpose basic switch Z.
· High durability with large breaking capacity.
· There are 3 mounting methods such as side mounting, bottom mounting and side diagonal mounting method with variety of actuators.
· After removing cover, the terminal of built-in switch is on front surface and hence connection is easy.
· The product with earth terminal supports CE marking.
· Approved by UL, CSA, CCC (ask your manufacturer for information on approved models).

Dimensional Drawing of OMRON Limit Switch

Limit Switch Plunger Type

ZE-Q-2/XE-Q-2

General-purpose sealed switch ZE/ZV/ZV2/XE/XV/XV2 ZE-Q-2/XE-Q-2 plunger type outline drawing

*Stainless Steel Plunger

*For information on Limit Switch model numbers other than those listed above, please refer to the digital catalog.

Specification Table of OMRON Limit Switch

Limit Switch Performance

Protective structureIP65 *1
Durability*2Limit Switch MechanicalZ□: 10 million times or more
X□: 1 million times or more
Limit Switch ElectricalZ□: 500,000 times or more (AC250V 15A resistive load)
X□: 100,000 times or more (DC125V 10A resistive load)
Allowable Operating SpeedPlunger type: 0.01mm to 0.5m/s
Lever type: 0.02mm to 0.5m/s
Allowable operating frequencyMechanical120 times/min
Electrical20 times/min
Rated Frequency50/60Hz
Insulation resistance100MΩ or more (at DC500V mega)
Contact Resistance15mΩ or less (initial value)
Terminal temperature riseLess than 50 deg.
Withstand voltageBetween same-polarity terminalsAC1,000V 50/60Hz 1min
Between live metal parts and earthZ□: AC2,000V 50/60Hz 1min
X□: AC1,500V 50/60Hz 1min
Between each terminal and non-current-carrying metal partsZ□: AC2,000V 50/60Hz 1min
X□: AC1,500V 50/60Hz 1min
vibrationmalfunction10 to 55Hz, double amplitude 1.5mm *3
Impact*3DurabilityUp to 1,000m/ s2
malfunctionMaximum 100m/s 2  *4
Maximum 50m/s 2  *5
Ambient temperature-10 to +80℃ (but do not freeze)
Ambient humidityStandard type: 35 to 85% RH
Sealed type: 35 to 95% RH
massApproximately 260-280g

Note: The above values are initial values.
*1. Only Model □-N type is IP65, Limit Switch Model □-Q type is IP60.
*2. Durability values are for ambient temperature 5 to 35°C and ambient humidity 40 to 70% RH.
*3. At the maximum operating position .
*4. Limit Switch type, sealed Limit Switch type, roller arm lever type, and sealed roller arm lever type only.
*5. Cross roller Limit Switch type, sealed cross roller Limit Switch type, roller Limit Switch type, and sealed roller Limit Switch type only.

OMRON Limit Switch

Limit Switch structure

For ZE-NA2-2

General-purpose sealed switch ZE/ZV/ZV2/XE/XV/XV2 ZE-NA2-2 structure

Note: The conduit thread designation has been changed from Limit Switch PF1/2 to G1/2 due to the revision of JIS B 0202. This
    is a change in designation only; there are no changes to the thread size, pitch, etc.

Limit Switch Contact Form

General-purpose sealed switch ZE/ZV/ZV2/XE/XV/XV2 contact type

Note: For the XE, XV, and XV2 models, be sure to connect COM to the + pole.

Please check here for outline drawings and operating characteristics of various Limit Switch model numbers .

Model Designation Method of OMRON Limit Switch

Limit Switch Format Standards

General-purpose sealed switch ZE/ZV/ZV2/XE/XV/XV2 model standard
(1) Built-in Limit Switch
Z: Single pole double throw (AC)
X: Single pole double throw (DC)

(2) Mounting specifications of Limit Switch
E: Side mounting type
V: Bottom mounting type
V2: Side diagonal mounting type
(3) Actuator Limit Switch typesQ
: Plunger typeQ22
: Roller plunger
typeQ21: Cross roller plunger typeQA2
: Roller arm lever typeQA277
: One-way action roller arm lever typeN
: Sealed plunger
typeN22: Sealed roller plunger type
        (only for ZE, ZV, and ZV2 types)
N21: Sealed cross roller plunger type
        (only for ZE, ZV, and ZV2 types)
NA2: Sealed roller arm lever
typeNA277: One-way action sealed roller arm lever type
(4) Conduit opening size/earth terminal specificationNo
indication: G1/2/No earth terminal (standard)
G1: G1/2With earth terminalG
: Pg13.5/With earth
terminalSG1: 1/2-14NPSM/With earth terminalYG1
: M20/With earth terminalS
: 1/2-14NPSM/No earth terminalY
: M20/No earth terminal

Limit Switch Installation Method

Side mounting Limit Switch type
Bottom mounting type
Diagonal side mounting type
General-purpose sealed switch ZE/ZV/ZV2/XE/XV/XV2 Side-mounted type
General-purpose sealed switch ZE/ZV/ZV2/XE/XV/XV2 bottom mounting type
General-purpose sealed switch ZE/ZV/ZV2/XE/XV/XV2 Side diagonal mounting type

Technical Information of OMRON Limit Switch

Limit Switch Rating

Limit Switch formatRated voltage (V)Non-inductive load (A)Inductive load (A)
Resistive LoadLamp LoadInductive LoadMotor Load
Normally closedNormally openNormally closedNormally openNormally closedNormally openNormally closedNormally open
Limit Switch Model ZE-□
Limit Switch Model ZV-□
Limit Switch Model ZV2-□		AC 125
250
480		15
15
10		3
2.5
1.5		1.5
1.25
0.75		15
15
6		5
3
1.5		2.5
1.5
0.75
DC 125
250		0.5
0.25		0.5
0.25		0.05
0.03		0.05
0.03
Limit Switch Model XE-□
Limit Switch Model XV-□
Limit Switch Model XV2-□		DC 8
14
30
125
250		10
10
10
10
3		3
3
3
3
1.5		1.5
1.5
1.5
1.5
0.75		10
10
10
7.5
2		10
10
10
6
1.5		5
5
5
2
2		2.5
2.5
2.5 2.5
2.5
1.5
Inrush currentNormally closedMaximum 30A
Normally openMaximum 15A

Note 1. The above values indicate steady-state current.
Note 2. An inductive load is one with a power factor of 0.4 or more (AC) and a time constant of 7 ms or less (DC).
Note 3. A lamp load is one with a 10x inrush current.
Note 4. A motor load is one with a 6x inrush current.

Limit Switch Electrical Endurance Curve

Limit Switch Type ZE (cosφ =1)
Limit Switch Type ZE (cosφ =0.4)
General-purpose sealed switches ZE/ZV/ZV2/XE/XV/XV2 Electrical durability curve type ZE (cosφ =1)
General-purpose sealed switches ZE/ZV/ZV2/XE/XV/XV2 Electrical durability curve type ZE (cosφ =0.4)

How to Use of OMRON Limit Switch

Limit Switch Regarding installation

  • The Limit Switch type enclosed switch is pre-tightened to set the roller arm in any position, so please retighten it when installing to prevent it from loosening during operation.
  • To maintain an adequate seal at the mounting thread on the side of the Limit Switch, be sure to insert the O-ring correctly and tighten the nut.
  • To improve sealing performance, we recommend using an SC connector. For more information on the SC connector, see "Limit Switch Connectors."
    When piping, be sure to prevent foreign objects, cutting chips, etc. from entering the conduit opening.
 

Mounting hole dimensions of Limit Switch

General-purpose enclosed switch ZE/ZV/ZV2/XE/XV/XV2 mounting hole dimensions

Limit Switch About proper tightening torque

Loose screws can cause premature failure, so be sure to tighten each screw with the proper torque.

Limit Switch No.kindsProper tightening torque
(1)Cover mounting screw1.18 to 1.37 Nm
(2)Body mounting screw *11.18 to 1.37 Nm
(3)Body mounting screw *24.90 to 5.88 Nm
(4)Switch terminal screw (M4)0.78 to 1.18 Nm
(5)Roller arm tightening nut4.90 to 5.88 Nm

*1. Tightening torque of the Limit Switch for side and bottom mounting (M4 screw).
*2. Tightening torque for diagonal side mounting (M5 hexagon socket bolt).

General-purpose sealed switches ZE/ZV/ZV2/XE/XV/XV2 Proper tightening torque

Limit Switch About the dedicated spanner

(1) By loosening the nut, the Limit Switch can be set to any position within 225° as shown in the figure below.
(2) By loosening the nut, the Limit Switch fixing bracket can be set to any position within 360°.

About the dedicated spanner for the general-purpose enclosed switch ZE/ZV/ZV2/XE/XV/XV2
  • When loosening the nut, be careful not to allow foreign objects to get inside.
  • A dedicated wrench is available separately to set the desired position.

Cautions and Prohibitions of OMRON Limit Switch

Limit Switch Operating environment

  • The Limit Switch Sealing materials may deteriorate when used outdoors or in environments with special cutting oils, solvents, chemicals, etc. Be sure to evaluate the product under actual usage conditions and set maintenance and replacement times.
  • To maintain mechanical durability, when using in locations subject to oil or water, be sure to keep the grease in part (A). (We recommend using molybdenum disulfide grease.)
General-purpose sealed switch ZE/ZV/ZV2/XE/XV/XV2 Usage environment-1
  • Install the Limit Switch in a location where it will not be directly exposed to machining chips or dust. It is also necessary to protect the actuator and switch body from the accumulation of cutting chips and muddy substances.
General-purpose sealed switch ZE/ZV/ZV2/XE/XV/XV2 Usage environment-2
  • If the Limit Switch is subjected to continuous vibration and shock, it may cause problems such as contact failure, malfunction, reduced durability, etc. due to the generation of wear powder. In addition, excessive vibration and shock may cause the contacts to malfunction or be damaged, so please install the Limit Switch in a position where it will not be subjected to vibration or shock and in a direction where it will not resonate.
  • Because Limit Switch have contacts, if silicon gas is present in the atmosphere, arc energy can cause silicon oxide (SiO2) to build up on the contacts , which can result in contact failure.If there are silicon products such as silicon oil, silicon filler, or silicon wire around the switch, be sure to suppress arcs with a contact protection circuit or remove the source of silicon gas.

Limit Switch Operation

  • The Limit Switch operation method, cam and dog shapes, frequency, movement after operation, etc. have a large effect on durability and accuracy. Therefore, the cam should have a smooth shape.
  • Please allow some margin for the after-operation movement (OT).
    Set it to 70-100% of the rated OT value.
30
45
60
  1. 1
Part Number
ZE-Q21-2S
Part NumberPriceMinimum Order Qty.Volume DiscountDays to ShipDetector Shape Plunger Shape Type Boot Seal Lever Shape Type Acquired Standards Protection Structure Force Required for Push Side O.F.
(N) 		Contact Type Mechanical Life
(10,000 times) 		Main Body External Dimension, Width W
(mm) 		Main Body External Dimension, Height H
(mm) 		Main Body External Dimension, Length L
(mm) 		Detector element details Conduit size Specification of Terminal Mounting system Built-in Switch Specification AC Rated Voltage DC Rated Voltage

₹ 2,921.56

1 Piece(s) 8 Day(s) or more Plunger Type[Roller Plungers] Cross Roller PlungerNo-UL / GB(CCC) / CSAIP602.45~3.43Single Pole Double Throw100025.48644.5--1/2 - 14NPSM / ground terminal not includedSide mounted---

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  1. 1
 

Basic Information

Main Body Size Standard Environment Standard Operating Temperature Range(°C) -10::80
Mechanical Operation Frequency(times/min or Less) 120

Please check the type/dimensions/specifications of the part ZE-Q21-2S in the General-Purpose Enclosed Switch [ZE/ZV/ZV2/XE/XV/XV2] series.

Product variants

Part Number
XE-Q21-2
XE-Q22-2
XE-QA2-2
ZE-Q22-2G
ZE-Q22-2S
ZE-QA2-2
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipDetector Shape Plunger Shape Type Boot Seal Lever Shape Type Acquired Standards Protection Structure Force Required for Push Side O.F.
(N) 		Contact Type Mechanical Life
(10,000 times) 		Main Body External Dimension, Width W
(mm) 		Main Body External Dimension, Height H
(mm) 		Main Body External Dimension, Length L
(mm) 		Detector element details Conduit size Specification of Terminal Mounting system Built-in Switch Specification AC Rated Voltage DC Rated Voltage

₹ 2,610.17

1 Piece(s) 5 Day(s) Plunger Type[Roller Plungers] Cross Roller PlungerNo--IP605Single Pole Double Throw10025.48644.5---Side mounted---

₹ 2,000.00

1 Piece(s) Same day

Stock

Plunger Type[Roller Plungers] Roller PlungerNo--IP605Single Pole Double Throw10025.48644.5---Side mounted---

₹ 2,610.17

1 Piece(s) 5 Day(s) Lever Shape (push)--[Arm Lever] Roller, Arm Lever-IP606.47Single Pole Double Throw10025.48644.5---Side mounted---

₹ 2,107.62

1 Piece(s) 5 Day(s) Plunger Type[Roller Plungers] Roller PlungerNo-CSA / UL / GB(CCC)IP602.45~3.43Single Pole Double Throw100025.48644.5--Pg13.5 / ground terminal includedSide mounted---

₹ 2,143.15

1 Piece(s) 5 Day(s) Plunger Type[Roller Plungers] Roller PlungerNo-CSA / UL / GB(CCC)IP602.45~3.43Single Pole Double Throw100025.48644.5--1/2 - 14NPSM / ground terminal not includedSide mounted---

₹ 1,553.00

1 Piece(s) Same day

Stock

Lever Shape (push)--[Arm Lever] Roller, Arm LeverCSA / UL / GB(CCC)IP605.59Single Pole Double Throw100025.48644.5---Side mounted---

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