Central power supply systems Ingestion-build-201039 by organizations around the world

by organizations around the world

Construction is by any measure a vast and complex industry

and determines the general design characteristics

Mandatory information

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Central power supply systems Ingestion-build-201039 by organizations around the worldBS EN 50171: 2001 specifies the general requirements for central power supply systems for an independent energy supply to essential safety equipment. This standard covers systems permanently connected to AC supply voltages not exceeding 1 000 V and that use batteries as the alternative power source. The central power supplies are intended to energize emergency escape lighting in the case of failure of the normal supply, and may be suitable for