Explosionproof Circuit Breaker Power Distribution Panelboard, Voltage Rating 277/480 V, Current Rating 225 Ampere, Number of Circuits 30, Main Circuit Configuration 3 Phase 4 Wire, Enclosure Material Copper Free Aluminum, Enclosure Finish Corrosion Resistant Grey Epoxy Powder Coated, Enclosure Class I Div 1 and 2 Group B C D, Class II Div 1 and 2 Group E F G, Class III, Class I Zone 1 Group IIB, NEMA 4/4X/7BCD/9EFG, Constructional Feature Explosionproof, Dust-Ignitionproof, Watertight, Mounting Feet, Size 20.75 Inch W x 11 Inch D x 32.75 Inch H, Approval UL 1203, Applicable Standard NEC, Material Copper-Free Aluminum (Cover, Breaker Operator), Stainless Steel (Hinge, Cover Bolt), Copper (Bus Bar), Neoprene (O-Ring), Application Hazardous Location, Construction Type Main Lug
