MICRO SWITCH™ Premium Large Basic Switches: YM Series, Single Pole Normally Open (SPNO), 22 A 125/250/480 Vac, ENEC 22 A 250 Vac, Pin Plunger, Binding Head Combination Screw Termination with Cup Washers, Mounting Holes will Accept Pins or Screws, UL, CE, CSA, ENEC