MICRO SWITCH™ Premium Large Basic Switches: WA Series, Single Pole Normally Closed (SPNC) Maintained Contact, 20 A 125/250/480 Vac, ENEC 20 A 250 Vac, Pin Plunger, 8-32 UNC Binding Head Combination Screw Termination with Cup Washers, Red Plastic Manual Reset on Bottom of Case, Mounting Holes will Accept Pins or Screws, UL, CE, CSA, ENEC