Explosionproof Cast Control Center, Constructional Feature Explosionproof, Dust-Ignitionproof, Voltage Rating 600 VAC, Operator Type Button, Pilot Light Type 6 V Transformer, Enclosure Material Shot Blast Copper-Free Aluminum, Enclosure Class I Div 1 and 2 Group B C D, Class I Zone 1 and 2 Group IIA IIB, Class II Div 1 and 2 Group E F G, Class III, NEMA 4/7BCD/9EFG, Approval UL 886, CSA C22.2, Inner Size 10.25 Inch L x 10.25 Inch W x 5.75 Inch D, Overall Size 14.81 Inch L x 14.81 Inch W x 9.13 Inch D, Cover Thickness 0.75 Inch, Weight 44 Lb