A Depth: 1.6" , Height: 4.63" , Material: Malleable Iron , Number of Gangs: 1 , Safety Rating: UL 894, UL 1203, UL Listed for Class I, Division 1, Groups C, D; Class I, Division 2, Groups C, D; Class II, Division 1 and 2, Groups E, F, G; and Class III , Type of Operator: Tumbler Switch , Voltage: 120/277 VAC , Width: 3"