All models offer the facility of user-defined output signals and signal levels.
EN54 Fire Detection and Fire Alarm Systems is a mandatory standard that specifies requirements and laboratory tests for every component of a fire detection and fire alarm system. The standard is recognised in Europe and widely around the world including Latin America countries, Brazil, African and Asian countries and several islands in the Pacific Ocean.
Designed to meet the requirements of EN54-4 1998 including amendments 1 and 2, the EN54 range from Stadium Power meets requirements of EN61000-3-2 PFC Class A and EN55022 'B' for conducted noise and are CE marked to the Low Voltage Directive (LVD).
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http://www.stadiumpower.co.uk/products/en54-fire-and-security
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http://www.stadiumpower.co.uk/media/198043/stadium_power_en54.pdf