MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Single Pole Double Throw (SPDT), Split Contact Construction Allowing Two Isolated Circuits, 5 A 250 Vac, Pin Plunger with Elastomer Plunger Seal, Dust and Splash Resistant Cover to Case Seal, Binding Head Combination Screw Termination with Integral Lock Washers, Special Inspection, Mounting Holes will Accept Pins or Screws, UL, CSA