MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Part Number: BZ-3RW8221555513T-S, Single Pole Double Throw (SPDT), 10 A 125/250 Vac, 26,7 mm [1.050 in] Sintered Roller Lever Actuator with Elastomer Plunger Seal, Dust and Splash Resistant Cover to Case Seal, Stainless Steel Snap Spring, Binding Head Combination Screw Termination with Integral Lock Washers, 4,3 mm [0.169 in] Mounting Holes, UL, CE, CSA