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E DIN EN IEC 62040-1 VDE 0558-510:2026-05

Uninterruptible power systems (UPS)

Part 1: Safety requirements

(IEC 22H/338/CDV:2025); German and English version prEN IEC 62040-1:2025
Class/Status: Draft, valid
Released: 2026 -05   Published: 2026-04 -03
VDE Art. No.: 1500280
End of objection deadline: 2026-06-03

Note: You can pre-order this document (delivery subject to availability). Valid from 2026-05-01.

This part of IEC 62040 applies to movable, stationary, fixed, or built-in UPS for use in low- voltage distribution systems and that are intended to be installed in an area accessible by an ordinary person or in a restricted access area as applicable, that deliver fixed frequency AC output voltage with port voltages not exceeding 1 000 V AC or 1 500 V DC and that include an energy storage device. It applies to pluggable and to permanently connected UPS, whether consisting of a system of interconnected units or of independent units, subject to installing, operating and maintaining the UPS in the manner prescribed by the manufacturer.