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About This Item

 

Full Description

Gives rules for AC circuit-breakers, the main contacts of which are to be connected to AC overhead contact lines; the nominal voltage of these circuits is in accordance with IEC 60850. Complements the general requirements given in IEC 60077-2.
 

Document History

  1. IEC 60077-4 Ed. 2.0 b:2019


    Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers

    • Most Recent
  2. IEC 60077-4 Ed. 1.0 b:2003

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    Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers

    • Historical Version