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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.

A2A-4A

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
Part NumberVolume DiscountDays to Ship
Same day

Stock

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Basic Information

Type Non-illumination type push-button Operating part shape Round Card included NA
Terminal shape Soldering Terminal Mounting Hole φ10.5 Contact Configuration 1c
Operating function Momentary Color of Operating Unit Blue Protection function NA
Operating part dimensions - vertical(mm) 13 Operating part dimensions - horizontal(mm) 13 Panel depth dimensions(mm) 20.4
Switch rating, AC resistance load 1 AC125V/5A Switch rating, AC resistance load 2 AC250V/3A

Please check the type/dimensions/specifications of the part A2A-4A in the Ultra-Small Size Push Button Switch (Round Body Shape φ10.5) A2A series.

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