IS Call Point Approvals Extended To Include ATEX Combustible Dust Classification
The units are designed for use in enclosed or open environments in fixed offshore platforms, petrochemical plants, flour mills, grain silos and other areas where a potentially explosive atmosphere may be present. Sealed to IP67 to prevent the ingress of dust or water, the IS WCP is interconnected to the fire system or controlled equipment through a suitable Zener barrier or galvanic isolator to limit the amount of energy available at the device.
In addition to the IS protection, the WCP provides installation efficiency, flexibility and full compliance with the CPD and EN54-11 requirements. The modular design utilises a special terminal block, where all initial installation cabling is terminated, enabling the wiring to be tested without the call point itself having to be installed. When commissioning the system the terminal block is simply connected to the back of the MCP in a simple, tool-less operation with no re-termination required and no time wasted.
Zones 0 and 20 define environments where the potentially explosive gas or dust will always be present in the atmosphere. In Zones 1 and 21, an occasional presence of combustible gas or dust may be expected during normal operations and in Zones 2 and 22, the presence of combustible gas or dust is unlikely, but may occur for very short periods.
For further information contact:
Mark Thomson
KAC Alarm Company
KAC House
Thornhill Road
North Moons Moat
Redditch
B98 9ND
Tel: + 44 1527 406655
Fax: + 44 1527 406677
Email: sales@kac.co.uk
Web: www.kac.co.uk
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