Pass & Seymour® Double Throw Manual Controller Switch, Maintained Contact, 120/277 VAC, 20 A, 1 hp at 120 VAC/2 hp at 240 VAC Power, 2 Pole, 20 A at 120/277 VAC Contact, Toggle Actuator, Bare Insulation, NEMA 1 Enclosure, Wall Mounting, Nylon, White, 3.281 in H x 1.5 in W x 1.469 in D Dimensions