This product is part of the Harmony XB4 - ATEX D range, an offer of Ø 22mm metal pushbuttons, switches and pilot lights for explosive atmosphere. This complete selector switch comes with a black long handle. This offer is specially designed for explosive atmosphere. It is designed for used in dust zone 21-22 and gas zone 1-2. It has 3 operating positions and operates with a spring return to center mechanism. It has 2 NO contact with slow-break operation. This metal key selector switch comes with chromium plated metal bezel. This offer is specially designed for applications in Oil and Gas industry as well as Food and beverage, car gas stations etc. It is an IP65 rated product and comes with INERIS 04ATEX9004U certification. It is easily installed into a standard 22mm diameter panel cut-outs and connected to control circuits with screw-clamp connections. The Harmony XB4 range offers innovative features for simple and efficient use. The Harmony XB4 - ATEX is the most comprehensive explosive Atmospheres range covering most applications.