Honeywell BA-2RQ1-A2 Basic Switch, Large, 2PDT, 20 Amps, High Overtravel Plunger.
eBay
Honeywell Snap-Action Plunger Limit Switch, 20A, 250V AC - BA Series - BA-2RQ1-A2This snap-action limit switch from Honeywell is used to automate machine operation in response to changes in the position of a moving object.
eBay
Image is Representational - See Manufacturer Specs | MICRO SWITCH Basic Switches: BA Series Single Pole Double Throw (SPDT) 20 A at 250 Vac High Overtravel Plunger Actuator 3 89 N - 6 12 N [14. to 22 oz] Operating Force Silver Contacts Screw Termination BA-2RQ1-A2 Snap Action Switch from Honeywell comes with a high overtravel plunger actuator screw termination and silver contacts. It also comes with an elongated mounting hole for easy and accurate mounting. This electromechanical switch has a long mechanical life up to 20 000 000 cycles at 95% survival. Snap action switches are a kind of momentary contact switch which operate at a rapid speed as it takes very little force or stimulus to operate. They are also known as micro switches.
eBay
eBay