MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Single Pole Double Throw (SPDT), 10 A 125/250 Vac, 63,5 mm [2.50 in] Straight Lever Actuator, No External Return Spring, Lower Operating Force, Binding Head Combination Screw Termination with Cup Washers, Mounting Holes will Accept Pins or Screws, UL, CE, CSA