Killark VSQ3034 - Compact size and footprint. Plug Interlock Mechanism for Dead-Front construction. Switch cannot be turned“ON” without fully inserted plug. Plugcannot be removed with switch in “ON”position. Factory Wired Receptacle (Load Side)“Off” position is padlockable formaintenance safety. Auxiliary Contact (late-make early-break)contact rated 10 Amp, 1/3 HP at 125/250VAC. Adjustable mounting lugs. Feed-through construction. Horsepower-rated internal switch Killark VersaMate® VSQ Series of Switched and Interlocked receptacles provides for a receptacle solution in hazardous location areas. NEMA 4X weather-ingress ratings allow for indoor and outdoor use, and copper-free aluminum construction with electrostatically applied polyester/epoxy coating ensure the ultimate in corrosive resistance. Plug Interlock Mechanism for Dead-Front construction, ensuring that the switch cannot be turned on without a fully inserted plug (plug cannot be removed with switch in “ON”position, preventing possibly damaging arcs and sparks). - Class I, Divisions 1 & 2, Groups B, C, D - Class I, Zones 1 & 2, Groups IIB+H2, IIA - Class II, Divisions 1 & 2, Groups F, G - Class III, Divisions 1 & 2