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Uninterruptible power systems (UPS)

Performance features and safety requirements

Norma CEI: CEI 22-11
European / International Ref: EN 61204; EN 61204/A1

General and safety requirements for UPS used in areas accessible to the operator

Norma CEI: CEI 22-26
European / International Ref: EN 62040-1-1

General and safety requirements for UPS used in restricted access areas

Norma CEI: CEI 22-27
European / International Ref: EN 62040-1-2