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E DIN IEC/TS 63346-1-1 VDE V 0120-346-1-1:2025-06

Low-voltage auxiliary power systems

Part 1-1: Terminology

(IEC TS 63346-1-1:2024)
Class/Status: Draft, valid
Released: 2025 -06   Published: 2025-05 -30
VDE Art. No.: 1100956
End of objection deadline: 2025-07-30

Note: You can pre-order this document (delivery subject to availability). Valid from 2025-06-01.

The purpose of this terminology document is to present terms and definitions for the publications under the responsibility of IEC/PC127, that standardize auxiliary power systems (APSs) including system design, installation and commissioning, operation and maintenance, specialized devices and components and testing devices.