Explosion Proof On/Off Switch - Class I, Div. 1 & 2 - Class II, Div. 1 & 2 - 20 Amp Rated

grabcad

http://www.larsonelectronics.com/p-46946-explosion-proof-onoff-switch-class-i-div-1-2-class-ii-div-1-2-20-amp-rated.aspxThe Larson Electronics EPS-25A Explosion Proof Feed Through Tumbler Switch is UL approved Class 1 Division 1 & 2 and Class 2 Division 1 & 2 and provides a safe and secure method for operators to interrupt power before connecting and disconnecting portable or stationary electrical devices and equipment in hazardous locations. This explosion proof tumbler switch is ideal for operators seeking a high quality explosion proof switch rated for use in hazardous areas designated Class 1 Division 1 and Class 2 Division 1. This explosion proof switch is rated at 20 amps-120-277 Vac and 1 HP at 120 Vac and 2 HP at 240 Vac. The entire unit is constructed of malleable iron and contains an internal sealing chamber constructed of copper free aluminum. This unit is easily wall mounted via integral mounting tabs at two corners of the housing and provides two 1/2" hub openings located on the top and the bottom of the housing for running electrical conductors in a feed through configuration. A bushing seal at each conductor opening prevents damage to wiring insulation. This unit is rated to handle electrical loads of 120-277 VAC up to 20 amps and is suitable for use in environments where combustible dusts and particulates may be present.The EPS-25A explosion proof switch cover and housing box is constructed of malleable iron with all arcing devices contained within an explosion proof labyrinth switch for the highest protection possible. This design does not require external sealing fittings. Each 1/2' hub opening is fitted with an integral bushing to prevent fraying or damage to insulation. Two external mounting lugs provide simple and secure mounting of the unit to walls and flat surafces. The unit box, switch, and face plate are all included with the product. 1/2" NPT tapped conduit openings are provided on the top and bottom of the unit in feed through versions while dead end versions have a single conduit hub, providing easy and secure connection to main power line supplies. Suggested Applications: Manufacturing, Industrial, Warehouse, Lighting, Lighting, Wet areas or Locations Where Combustible Dust is Present.