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SitemapSubminiature Pushbutton Switch (Cylindrical 10.5-dia.)
A2A
High-performance Pushbutton Switch with Built-in Subminiature Basic Switch
Data Sheet (217KB)
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Characteristics
| Rating | 5 A, 125 V (resistive load) 3 A, 250 V (resistive load) | |
| Inrush current | NC: 20 A max. NO: 10 A max. | |
| Contact resistance | 50 mΩ max. (initial value) | |
| Dielectric strength | Between terminals of same polarity | 1,000 VAC, 50/60 Hz for 1 min |
| Between current-carrying metal part and ground, and between each terminal and non-current-car-rying metal part | 1,500 VAC, 50/60 Hz for 1 min | |
| Durability | Mechanical | 200,000 operations min. |
| Electrical | 200,000 operations min. | |
| Ambient operating temperature | -25 to 80°C (with no icing or condensation) | |
| Ambient operating humidity | 45% to 85%RH | |
| Degree of protection | IP00 | |
| Electric shock protection class | Class II | |
| PTI (proof tracking index) | 175 | |
| Pollution degree | 3 (IEC 947-5-1) | |
Note:The rated values are from testing conducted under the following conditions:
1) Ambient temperature: 20 ± 2°C
2) Ambient humidity: 65% ± 5%RH
3) Operating frequency: 20 operations/minute
Operating Characteristics
| Model | A2A |
| Operating Characteristics | |
| Operating force (OF), max. Releasing force (RF), min. Pretravel (PT), max. Total travel (TT), max. | 1.47 N 0.10 N 0.8 mm 1.4 mm |
A D2S-5 is used for the built-in switch.
Contact Form
| Name | Contact form |
| Double-throw contacts |  |
Caution: In the interenst of product improvement, specifications are subject to change without notice.
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