Innovative potted design provides single screw access on a hinged cover to the wiring compartment for commercial indoor and outdoor applications|Totally enclosed to seal out moisture and airborne contaminants|Rear and side entry conduit knockouts into an easily accessible and roomy wiring compartment|Installation made quick and easy with keyhole mounting slots and supplied wall mounting template|NEMA 4/12 enclosure rating available when optional gasket kit is installed|NEMA 3R enclosure meets or exceeds listing criteria including NEMA and ANSI standards for indoor and outdoor applications|240 x 480 V primary volt|All welded core construction made with high quality, high permeability silicon steel laminations|Copper or aluminum windings, with terminations brazed, welded or bolted coil|High and low voltage lead wires or copper tabs|ANSI 61 UL 50 gray enclosure finish