MICRO SWITCH™ Premium Large Basic Switches: WM Series, Single Pole Normally Closed (SPNC), 22 A 125/250/277 Vac, ENEC 22 A 250 Vac, Plastic Pin Plunger, 8-32 UNC Thread Screw Termination Inserts, No Hardware Furnished, Mounting Holes will Accept Pins or Screws, UL, CE, CSA, ENEC