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Document History

  1. IEC 60255-11 Ed. 2.0 b:2008


    Measuring relays and protection equipment - Part 11: Voltage dips, short interruptions, variations and ripple on auxiliary power supply port

    • Most Recent
  2. IEC 60255-11 Ed. 1.0 b:1979

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    Electrical relays - Part 11: Interruptions to and alternating component (ripple) in d.c. auxiliary energizing quantity of measuring relays

    • Historical Version