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Gas-Insulated Primary Switchboard up to 40.5 kV

End of Commercialisation

MV Gas Insulated Switchgear up to 40.5 kV

  • Features

    • Indoor Gas Insulated Switchgear (GIS); metal enclosed type switchgear
    • Each functional unit consists of a
    . busbar compartment
    . circuit breaker compartment filled with SF6
    . cable compartment
    . low voltage cabinet
    • Performances:
    . Technology: SF6
    . Standard: IEC
    . Rated voltage: 40.5kV
    . Busbar system: Single / Double
    . Rated current busbar: 4000A
    . Rated operational current: 4000A
    . Rated peak withstand current: 31.5kA
    . Internal Arc Classification: AFLR 25kA/1s - 31.5kA/0.5s
    . Loss of service continuity: NA
    . Partition class: NA


    Safety and continuity of service

    GM6 is designed to meet users’ requirements: space and installation cost savings, operating personnel safetyreliability to ensure a continuous supply of power.
    GM6 is a complete range of standardised functional units which can be easily adapted to fit users' requirements.


    GM6 is designed for the medium voltage part of high power substation networks, i.e.

    • Primary HV/MV substations,
    • Intermediate MV/MV substations and
    • HV/MV or MV/MV substations supplying power to manufacturing plants in the heavy industry sector.

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