MICRO SWITCH™ Premium Large Basic Switches: YM Series, Single Pole Normally Open (SPNO), 15 A 480 Vac, 22 A 125/277 Vac, ENEC 22 A 250 Vac, Pin Plunger, Switch will Withstand Temperature of 121 °C [250 °F], 4-40 UNC Thread Screw Termination Inserts, No Termination Hardware, Mounting Holes will Accept Pins or Screws, UL, CE, CSA, ENEC