The Pass & Seymour CSB20AC3W 3-Way Heavy Duty Toggle Switch is designed for reliable electrical performance. Key features include Toggle Switch, 3-Way Heavy Duty, 120/277 VAC, 20 A, 2 Pole, Cam/Spring/Toggle Actuator, Wall Mounting, Screw Terminal, 50000 Cycles Operating Cycles, Nylon, White, Environmental Conditions: -40 to 115 deg C Temperature, 3.3 in H x 1.32 in W x 1.073 in D Dimensions.