MICRO SWITCH™ Premium Large Basic Switches: YE Series, Single Pole Normally Open (SPNO), 25 A 125/250 Vac, 7,11 mm [0.280 in] Diameter Stainless Steel Additional Overtravel Plunger, Binding Head Combination Screw Termination with Cup Washers, Mounting Holes will Accept Pins or Screws, UL, CSA