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Full Description

Describes the product safety requirements for measuring relays and protection equipment having a rated a.c. voltage up to 1 000 V with a rated frequency up to 65 Hz, or a rated d.c. voltage up to 1 500 V. Details essential safety requirements to minimize the risk of fire and hazards caused by electric shock or injury to the user.
 

Document History

  1. IEC 60255-27 Ed. 3.0 b:2023


    Measuring relays and protection equipment - Part 27: Product safety requirements

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  2. IEC 60255-27 Ed. 2.0 b:2013


    Measuring relays and protection equipment - Part 27: Product safety requirements

    • Historical Version
  3. IEC 60255-27 Ed. 1.0 b:2005

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    Measuring relays and protection equipment - Part 27: Product safety requirements

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. IEC 60255-27 Ed. 1.0 b CORR1:2007

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    Corrigendum 1 - Measuring relays and protection equipment - Part 27: Product safety requirements