Explosionproof Tumbler Switch Control Station, Type Feed Through, Constructional Feature Explosionproof, Dust-Ignitionproof, Voltage Rating 120 to 277 VAC, Current Rating 20 Ampere, Contact Configuration 3-Way, Operator Type Rocker Arm Operated Lever, Box Type Single Gang, Hub Size (2) 1/2 Inch, Enclosure Material Zinc Electroplated Chromate Epoxy Powder Coated Malleable Iron, Actuator Material Nylon 6/6, Enclosure Class I Div 1 and 2 Group B C D, Class II Div 1 and 2 Group E F G, Class III, NEMA 7BCD/9EFG, Approval UL 894/1203, Overall Dimension 3 Inch W x 4.5 Inch D x 6.13 Inch H, Application Hazardous Location