Ultra-Small Size Push Button Switch (Round Body Shape φ10.5) A2A
Caution
Product Description
Push button switch incorporating a very small, high-performance micro-switch.
[Features]
· Push button part available in an abundant range of colors/options.
· Micro-switch functionality provides high reliability.
[Applications]
· The push-button format has been instantly recognizable for many years, used in testing and verification instruments, etc. in a wide range of fields.
Ultra Small Push Button Switch (Round Body Type ø10.5) A2A Specification
A2A appearance
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.
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
| Rated | 125 V AC 5 A (resistance load) 250 V AC 3 A (resistance load) | |
|---|---|---|
| Inrush Current | NC side max. 20 A, NO side max. 10 A | |
| Contact Resistance | 50 mΩ or less (initial value) | |
| Withstand Voltage | Between Same Pole Terminals | 1,000 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. | |
| Durability | Mechanical | 200,000 times or more |
| Electrical | 200,000 times or more | |
| Ambient Operating Temperature | -25 to +80°C (with no icing and no condensation) | |
| Operating Ambient Humidity | 45 to 85% RH | |
| Protective Structure | IP00 | |
| Class Of Electric Shock Protection | Class II | |
| PTI (Tracking Properties) | 175 | |
| Degree Of Pollution | 3 (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 properties | Type A2A | ||
|---|---|---|---|
| Force Required For Operation | OF | Max. | 1.47 N |
| Return Force | RF | Min. | 0.10 N |
| Movement Through Actuation | PT | Max. | 0.8 mm |
| Overall Action | TT | Max. | 1.4 mm |
Internal switch used is model D2S-5.
A2A Contact Type
| Name | Contact Type |
|---|---|
| Double-throw (c contact) |  |