Switch Assembly Front Cover, Switch Type 1-Pole, Amps 20 A, Voltage 120/277V AC, Type of Operator Tumbler Switch, Material Cast Aluminum, For Use With EDS Series Tumbler Switches, HP 1 @ 120V, 2 @ 240V, Safety Rating Class I, Divison 1 & 2, Groups C, D; Class I, Zones 1 & 2, Groups IIB, IIA; Class II, Division 1 & 2, Groups E, F, G; Class III, Number of Gangs 1