The power supply is UL certified and made of epoxy powder coated copper free aluminum with stainless steel cover bolts and hinges. It is pre-mounted with fuses, terminals, RJ45 coupler and 115/230 V AC transformer, which provides 24 V AC for Explosion Protected Cameras. The cabinet has 3 open ¾NPT cable entries and a fourth plugged entry and is Class I, Div 1 & 2, Class II, Div 1 & 2, Class 3, cUL to CSA C22.2 No. 30, No. 25 and NEMA 3 & 4 certified for temperatures between -40°C and +55°C. Weight is 67.3 Ib (30.5 kg).