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Ultra-Small Size Push Button Switch (Round Body Shape φ10.5) A2A

Ultra-Small Size Push Button Switch (Round Body Shape φ10.5) A2A

[Features]
· A super-small push button switch with high-performance microswitches.

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Part Number

Configured Part Number is shown.

Ultra Small Push Button Switch (Round Body Type ø10.5) A2A Specification

Ultra Small Push Button Switch (Round Body Type ø10.5) A2A: related images

A2A appearance

Ultra Small Push Button Switch (Round Body Type ø10.5) A2A: related images

A2A dimensional diagram
Unit: mm
Note 1. The push button is a plug-in type.
Note 2. Of the dimensions described above, unless otherwise specified, dimensional tolerance for components is ±0.8 mm.

Ultra Small Push Button Switch (Round Body Type ø10.5) A2A: related images

A2A panel cutting dimension
Unit: mm
Note. Please set sheet thickness for installation panel from 1 to 4 mm.

A2A Button Color

  • Type A2A-4A: blue
  • Type A2A-4B: black
  • Type A2A-4G: green
  • Type A2A-4R: red
  • Type A2A-4W: white
  • Type A2A-4Y: yellow

Note. aesthetic nut, lock washer, and push button components are shipped attached to the main body of the switch.
Solder terminal, 1c contact, momentary action.

A2A Performance

Rated125 V AC 5 A (resistance load)
250 V AC 3 A (resistance load)
Inrush CurrentNC side max. 20 A, NO side max. 10 A
Contact Resistance50 mΩ or less (initial value)
Withstand VoltageBetween Same Pole Terminals1,000 V AC 50/60 Hz 1 min.
Between Charging Metal And Ground,
Between Each Terminal And Non-Charging Metal
1,500 V AC 50/60 Hz 1 min.
DurabilityMechanical200,000 times or more
Electrical200,000 times or more
Ambient Operating Temperature-25 to +80°C (with no icing and no condensation)
Operating Ambient Humidity45 to 85% RH
Protective StructureIP00
Class Of Electric Shock ProtectionClass II
PTI (Tracking Properties)175
Degree Of Pollution3 (IEC947-5-1)

Note. The rated values were tested under the conditions below.
(1) Ambient temperature: 20 ±2°C
(2) Ambient humidity 65 ±5% RH
(3) Operating frequency: 20 times/min.

A2A Operating Properties

Operating propertiesType A2A
Force Required For OperationOFMax.1.47 N
Return ForceRFMin.0.10 N
Movement Through ActuationPTMax.0.8 mm
Overall ActionTTMax.1.4 mm

Internal switch used is model D2S-5.

A2A Contact Type

NameContact Type
Double-throw (c contact)Ultra Small Push Button Switch (Round Body Type ø10.5) A2A: related images
Part Number
A2A-4A
A2A-4B
A2A-4G
A2A-4R
A2A-4W
A2A-4Y
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipColor of Operating Unit

MYR 14.18

1 Piece(s) 2 Day(s) Blue

MYR 14.18

1 Piece(s) 2 Day(s) Black

MYR 14.18

1 Piece(s) 2 Day(s) Green

MYR 14.18

1 Piece(s) 5 Day(s) or more Red

MYR 14.18

1 Piece(s) 2 Day(s) White

MYR 14.18

1 Piece(s) 2 Day(s) Yellow
Part Number
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipColor of Operating Unit

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Basic Information

Mounting Hole φ10.5 Operating Part Shape Round Type Non-illumination type push-button
Operating Function Momentary Contact Configuration 1c Terminal Shape Soldering Terminal
Guard included NA Panel Depth Dimensions(mm) 20.4 Protection Function NA
Operating Part Dimensions - Horizontal(mm) 13 Operating Part Dimensions - Vertical(mm) 13 Switch Rating, AC Resistance Load 1 AC125V/5A
Switch Rating, AC Resistance Load 2 AC250V/3A

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