Explosionproof Pushbutton Mounting Body, Type Dead End, Construction Three Device, Number of Hubs 1, Hub Size 3/4 Inch, Material Zinc Electroplated Chromate Gray Epoxy Powder Coated Copper Free Aluminum, Enclosure Class I Div 1 Group C D, Class I Div 2 Group B C D, Class II Div 1 and 2 Group E F G, Class III, NEMA 3/7BCD/9EFG, Size 3.72 Inch W x 3.06 Inch D x 9.19 Inch H, Used On Optitrol Series Factory Sealed Control Station, Approval UL 508/698/1203, Application Hazardous Location