BS EN 62040-4:2013 PDF

What is BS EN 62040-4 - Uninterruptible power systems about?

Uninterruptible power systems (UPS) is a device used for backup power supply to avoid devices, and systems from power supply issues caused by power failure or lightning strikes. BS EN 62040-4 specifies the process, and requirements to declare the environmental aspects concerning uninterruptible power systems (UPS), with the goal of promoting reduction of any adverse environmental impact during a complete UPS life cycle. BS EN 62040-4 is harmonized with the applicable generic, and horizontal environmental standards, and contains additional details relevant to UPS. BS EN 62040-4 applies to movable, stationary, and fixed UPS that deliver single or three-phase fixed frequency a.c. output voltage not exceeding 1 000 V a.c. and that present, generally through a d.c. link, an energy storage system, and specified in