MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Single Pole Double Throw (SPDT), Split Contact Construction Allowing Two Isolated Circuits, 5 A 250 Vac, 5 mm [0.20 in] Diameter Hardened Steel Additional Overtravel Plunger, Binding Head Combination Screw Termination with Integral Washer, Mounting Holes will Accept Pins or Screws, UL, CSA