Interlocked Receptacle and Disconnect Switch, Type Dead Front Interlocked, Constructional Feature Corrosion Resistant, Voltage Rating 600 VAC, Current Rating 30 Ampere, Number of Poles 4, Number of Wires 3, Door Type Removable Hinged, Padlockable Cover, Fuse Provision Non-Fusible, Hub Type 1-1/2 Inch, Grounding Style 2, Shell, Extra Pole, Material Epoxy Powder Coated Copper-Free Aluminum (Enclosure), Stainless Steel (Hardware), Enclosure Class I Div 2 Groups B C D, Class II Div 1 and 2 Group F G, Class III, Class I Zone 2 Group IIC, NEMA 3/3R/4/4X/9FG/12, Wire Size 8 to 4/0 AWG, Power Rating 20 Hp at 600 VAC, Approval UL 894/1203/1604/1682/1686, Application Lighting System, Conveyor, Heater, Motor Generator Set, Air Conditioner, Compressor, Pump