Explosionproof Manual Motor Starter Switch, Type Feed Through, Current Rating 30 Ampere at 600 VAC, Voltage Rating 600 VAC, Operation Type Triple Pole, HP at 120 V 3 HP, HP at 240 V 7-1/2 HP, HP at 480 V 15 HP, HP at 600 V 15 HP, Material Gray Epoxy Powder Coated Malleable Iron, Enclosure Class I Div 1 and 2 Group C D, Class II Div 1 and 2 Group E F G, Class III, NEMA 3/7CD/9EFG, Size 3.72 Inch W x 5.31 Inch D x 6.81 Inch H, Approval UL 698, Constructional Feature Explosionproof, Hub Size 3/4 Inch, Cover Bolt Material Stainless Steel, Number of Gangs 1, Application Hazardous Location