MICRO SWITCH™ Premium Large Basic Switches: WZ Series, Part Number: WZ-3RW8221555514T-S, Single Pole Normally Closed (SPNC), 10A 125/250VAC, 26,7mm [1.05in] Hardened Steel Roller Lever Actuator with Elastomer Plunger Seal, Dust and Splash Resistant Cover to Case Seal, Binding Head Combination Screw Termination with Integral Lock Washer, Mounting Holes will Accept Pins or Screws, UL, CE, CSA