Contender EDSC Series 1-Gang Tumbler Switch, Voltage Rating: 120 - 277 VAC, Amperage Rating: 20 AMP, Number Of Poles: 2, Actuator: Front Operated, Enclosure: NEMA 3, 7CD, 9EFG, Mounting: Surface Mount With 3/4 IN Feed-Thru Hub, HP Rating: 1 HP At 120 VAC, 2 HP At 240 VAC, Material: Malleable Iron Body, Nylon 6/6 Handle, Finish: Triple-Coat (Zinc Electroplate, Chromate And Epoxy Powder Coat), Height: 5.31 IN, Width: 3.72 IN, Depth: 5.31 IN, Standard: UL 894, UL 1203, E10523, E81751 UL Listed, Class I, Division 1, Groups C, D, Class I, Division 2, Groups B, C, D, Class II, Division 1 And 2, Groups E, F, G, Class III, For Use In Classified Areas Where Ignitable Vapors, Gases Or Highly Combustible Dusts Are Present