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EN 61558-1:1997/A1:1998 Standard

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  Keywords:

#isolating #kva #rated #polyphase #phase

This standard is superseded by:
  •   EN 61558-1:2005
  •   EN 61558-1:2005/AC:2006
  •   EN 61558-1:2005/A1:2009 from: 2017-09-08
  •   This standard is no longer addressed in the last official Journal publication of the "2025-07-22 ". This standard is addressed for the last time in the official journal publication of the "2018-09-14"

      Directive

    Low voltage (LVD) Directive (2014/35/EU)

      Last Official Journal reference

    Friday 14th of September 2018

      Description:

    Safety of power transformers, power supply units and similar - Part 1: General requirements and tests

      Purpose

    This International Standard deals with all aspects of safety (such as electrical, thermal and mechanical) of: a) Stationary or portable, single-phase or polyphase, air-cooled (natural or forced) isolating and safety isolating transformers, associated or otherwise, having a rated supply voltage not exceeding 1000 V a.c. and rated frequency not exceeding 1 MHz, the rated output not exceeding: For isolating transformers: - 25 kVA for single-phase transformers, 40 kVA for polyphase transformers. For safety isolating transformers: - 10 kVA for single-phase transformers, 16 kVA for polyphase transformers.

      Publication

    Wednesday 20th of April 2016

      Cessation

    This standard has been withdrawn on 2018-09-14

      Amendment

    This standard is an amendment for "EN 61558-1:1997"

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