This is a 3-terminal microswitch, with a small push-button. This switch has a great 'clicky' sound to it, and a nice tactile feel.
Features:
- Max 4A 125/240VAC
- 2 mounting holes
- Long mechanical operating life
- Contact resistance: less than 0.2Ω
- Insulation resistance: 500Ω minimum @500VDC
- Rated to 10000 clicks
- 0.63x1.1x0.42"
- Weight: 5g