Intrinsically safe addressable call point
KAC has announced its intrinsically safe addressable indoor manual call point. The new version of the market-leading MCP, MCP5A-IS, has been approved for use in Zone 1 hazardous areas.
The device, available to suit flush or surface mounted versions, enables the manual initiation of an addressable fire alarm system to be implemented from within the hazardous area where potentially explosive gases are occasionally present during normal operations. The units are rated II 1G Ex ia IIC T4.
The MCP is powered from the loop in the normal way, with the loop entering the hazardous area through a suitably approved IS barrier. The unit shares the unique 'plug and play' concept designed specifically to reduce installation time and hence reduce the overall system cost. Available with either a traditional break glass or a resettable operating element, the device uses a special terminal block, into which the loop cabling is terminated, enabling continuity and ground fault checking without the need for the device to be present. The terminal block is then simply connected to the back of the MCP, giving a simple, but effective first fix installation capability, with no re-termination required and no time wasted.
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