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Public Power Distribution

Substation Cable Distribution Boards are placed bottom of the MV /LV transformer. They provide, at the head of the LV voltage network, general disconnection breaking under load as well as safety isolation and the distribution of electrical energy on 4 or 8 outgoing distributor units protected by fuse links.

Conformity to standards

  • HN 63 S 61 ed. 03 /2002
  • IEC 60439


Approvals and certifications

  • EDF (French electricity company) approved no. 03E019/PLz and no. 03E020/PLz


General characteristics

  • IP2X in operation and during maintenance.
  • Top short-circuiter for the short-circuiting and earthing of the transformer LV input.
  • Voltage taps top and bottom of the input unit, to check the absence of voltage.
  • Main on-load switch disconnector AC 22 B with high short-circuit making capacity.
  • Connectors for emergency source (generator set).
  • Installation of outgoing distributor units with the power on.
  • Installation of a temporary outgoing unit (building sites, fairgrounds…).
  • Connection of outgoing distributor units using cable clamps with torque limiting screw heads.


Overview Public Power Distribution :

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