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Small Push Button Switch A3A

Small Push Button Switch A3A

[Features]
· A high-capacity compact push button switch.
· Can be used as a power supply switch that requires high-capacity shutdown.
· Can handle switching from very small loads (minimum applicable load: DC5V1mA) to high loads.

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Small Push Button Switch (Small Square Body) Type A3A Specification

Small Push Button Switch A3A (Small Square Body): related images

Small push button switch appearance

Non-Illumination Type - Square

Small Push Button Switch A3A (Small Square Body): related images

Non-illumination type - square dimensional diagram

Small Push Button Switch A3A (Small Square Body): related images

Non-illumination type - square external dimensional diagram, unit: mm

Small Push Button Switch A3A (Small Square Body): related images

Non-illumination type - square (1a type) external dimensional diagram, unit: mm

Non-Illumination Type - Round

Small Push Button Switch A3A (Small Square Body): related images

Non-illumination type - round dimensional diagram

Small Push Button Switch A3A (Small Square Body): related images

Non-illumination type - round external dimensional diagram, unit: mm

Small Push Button Switch A3A (Small Square Body): related images

Non-illumination type - round (1a type) external dimensional diagram, unit: mm

LED Surface Illumination Type - Square

Small Push Button Switch A3A (Small Square Body): related images

LED surface illumination type - square dimensional diagram

Small Push Button Switch A3A (Small Square Body): related images

LED surface illumination type - square external dimensional diagram, unit: mm

Small Push Button Switch A3A (Small Square Body): related images

LED surface illumination type - square (1a type) external dimensional diagram, unit: mm

LED Surface Illumination Type - Round

Small Push Button Switch A3A (Small Square Body): related images

LED surface illumination type - round dimensional diagram

Small Push Button Switch A3A (Small Square Body): related images

LED surface illumination type - round external dimensional diagram, unit: mm

Small Push Button Switch A3A (Small Square Body): related images

LED surface illumination type - round (1a type) external dimensional diagram, unit: mm

Note: soldered terminal type is used for external dimensions. In addition, this shows a state where flange and leaf spring are not equipped.
Dimensional tolerance where not specified is ±0.4 mm.

Performance

Permitted Operation FrequencyMechanicalMomentary action: max. 120/min.
Alternating action: max. 60/min. *1
ElectricalMax. 20 times/min.
Insulation Resistance100 MΩ or higher (insulation resistance meter at 500 V DC)
Contact Resistance (Initial Value)100 mΩ or less
Withstand VoltageBetween Same Pole Terminals600 V AC 50/60 Hz 1 min
Between Each Terminal And Ground2,000 V AC 50/60 Hz 1 min.
VibrationMalfunction10 to 55 Hz double amplitude 1.5 mm *2
ShockDurability500 m/s2
MalfunctionMax. 150 m/s2 *2
DurabilityMechanicalMomentary action: 1,000,000 times or more
Alternating action: 50,000 or more *1
Electrical50,000 times or higher
MassApprox. 3.2 g
Ambient Operating Temperature-10 to +55℃ (with no icing and no condensation)
Operating Ambient Humidity35 to 85% RH
Storage Ambient Temperature-25 to +65℃ (with no icing and no condensation)
Protective StructureIEC IP40
Class Of Electric Shock ProtectionClass II
PTI (Tracking Properties)175
Degree Of Pollution3 (IEC60947-5-1)
  1. *1 There is 1 alternate operation for each set and reset action.
  2. *2 Malfunction 1 ms
  • *Please see the catalog for specifications not listed above and cautions when using.
Part Number
A3AT-90K1-00A
A3AT-90K1-00D
A3AT-90K1-00ER
A3AT-90K1-00EY
A3AT-90L1-00EY
Part NumberVolume DiscountDays to ShipRoHSType Operating function Color of Operating Unit Separated illumination portion Light Source Type LED current limiting resistor
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Basic Information

Operating part shape Round Card included NA Terminal shape Soldering Terminal
Mounting Hole φ11.5 Contact Configuration 1a Protection function NA
Safety standards UL / CSA Operating part dimensions - vertical(mm) 12.7 Operating part dimensions - horizontal(mm) 15.2
Panel depth dimensions(mm) 21.5 Switch rating, AC resistance load 1 AC125V/6A Switch rating, AC resistance load 2 AC250V/2A
Switch rating, DC resistance load 1 DC30V/4A

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