• Welders, generators, compressors, conveyors, infrared ovens, batch feeders and other large amperage equipment, both fixed and portable.
• Shipyards, refrigerated truck terminals, automotive and steel processing plants, pulp and paper processing plants, dairies, bottling facilities, fabrication yards and other industrial settings that require NEMA 3, 3R, 4, 4X or 12 protection (WSR models are NEMA 12 only).
• Any application that requires safe, weatherproof and corrosion resistant electrical connections with no danger of accidental plug removal or external arcing.

• Available in 30, 60 and 100 Amp units.
• WSR models provide a triple coated, copperfree cast aluminum enclosure that is ideal for outdoor and rugged use.
• WSRD models provide an affordable, enamel coated sheet metal enclosure suitable for indoor use.
• WSRD-N4 models provide a corrosion resistant, stainless steel enclosure that is often preferred in food processing plants and other environments that require ease of cleaning.
• Dead front design ensures that receptacle is not energized until the plug is fully inserted and the switch is engaged, locking the plug in place.
• Square D* F-Series disconnect switches are standard on most models (some WSR models use Cutler Hammer†).
• Spring door standard and screw cap provided at no additional cost to meet NEMA 3, 3R, 4 and 4X applications (not available on WSR models).
• Uses Style 2 (shell and extra pole) grounding and 3-phase, 4-pole receptacle wiring.
• Fused and non-fused models, with viewing window or without.
• Uses standard Powertite plugs.