EFS Series 1-Gang Tumbler Switch, Voltage Rating: 120 - 277 VAC, Amperage Rating: 20 AMP, Number Of Poles: 2, Actuator: Front Operated, Enclosure: NEMA 7CD, 9EFG, Mounting: Surface Mount With 1/2 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: 4.63 IN, Width: 3 IN, Depth: 4.53 IN, Standard: UL 894, UL 1203, E10523, E81751 UL Listed, Class I, Division 1 And 2, Groups C, D, Class II, Division 1 And 2, Groups E, F, G, Class III, For Arcing Of Enclosed Switches In Ignitable Atmospheres During Connect And Disconnect Operation Of Lighting And Light Power Loads