MCset 1-2-3

Medium voltage switchgear (AIS type): withdrawable circuit-breakers up to 17,5 kV and maximum user safety.

Air Insulated Switchgear (AIS)

MCset 1-2-3
  • Features

    MCset 1-2-3 is an indoor switchgear assembly that provides maximum user safety.
    It is intended to meet all electrical distribution needs up to 17,5kV and incorporates a set of innovative solutions
    • designed using proven techniques
    • high performance breaking devices (SF6 or Vacuum)
    • digital protection and control system
    • a range of cubicles designed and tested for internal arc resistance
    • Technology : SF6/vacuum
    • Standard:IEC
    • Rated voltage:17.5 kV
    • Busbar system:Single
    • Rated current busbar:4000A
    • Rated operational current (SF6 technology):4000A
    • Rated operational current (Vacuum technology): 3150A
    • Rated peak withstand current SF6/vacuum:50 kA
    • Internal Arc Classification SF6/Vacuum: AFLR 50 kA/1s
    • Loss of service continuity LSC 2B
    • Partition class:PM

    Contractual warranty

    Period : 18 months


    Choosing for tranquility!
    • High level protection of people:each section is isolated from the others by earthed metal partitions, safety interlocking.
    • Reduced maintenance and probability of failure:monitoring of temperature rise, indication of the fault zone.
    • Safety operation:simple use, safety system that prevents all unauthorized operation.


    MCset1-2-3 is present on all electrical distribution markets

    • energy:HV/MV substations MV/MV substations, nuclear
    • infrastructure:hospital, airports
    • industries:oil, off-shore, merchant marine and navy
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