Enclosed Circuit Breaker, Type Bolted Enclosure, Constructional Feature Explosionproof, Dust-Ignitionproof, Breaker Type EHD, Trip Type Thermal Magnetic, Voltage Rating 480 VAC/250 VDC, Current Rating 100 Ampere, Number of Poles 3, Hub Location Feed Through, Enclosure NEMA 3R/7B/7C/7D/9E/9F/9G, Enclosure Material Copper-Free Aluminum, Enclosure Finish 2 Coat Epoxy Enamel, Shaft/Handle Material Stainless Steel, Mounting Surface, Approval UL 1203, Applications Corrosive Atmosphere, Hazardous Location, Refinery, Chemical Plants, Petrochemical Plants, Processing Plants, Shaft/Bushing Material Stainless Steel