MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Single Pole Double Throw Double Break (SPDTDB), 15 A 125/250 Vac, 4 mm [0.158 in] Diameter Hardened Steel Additional Overtravel Plunger, Higher Operating Force, Brown Melamine Case, Binding Head Combination Screw Termination with Integral Washer, Mounting Holes will Accept Pins or Screws, UL, CSA