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Medium-Voltage Motor Control Centre

MV motor starter with vacuum contactor up to 7.2 kV

  • Features

    Motorpact is indoor equipment, designed and manufactured to solve the toughest power and process control challenges. Our motor starter features industry-first innovations that provide unmatched performance, reliability, flexibility, low maintenance and exclusive technologies.

    Motorpact S3 from Schneider Electric breaks new ground by integrating a single multi-motor soft starter within a space efficient and weight-saving solution.

    • Technology: vacuum
    • Standards: IEC/NEMA
    • Rated voltage: 7.2 kV
    • Busbar system: single/double (S3)
    • Rated busbar current: 3150A
    • Rated operational current: 200/400A
    • Rated short circuit breaking capacity: 50 kA
    • Rated peak withstand current 50 kA 3s
    • Internal arc classification: AFLR 25 kA/1s – 40 kA/0.5 s – 50 kA/0.25 s
    • Loss of service continuity: LSC2A
    • Partition class: PI


    Easy to use

    Increased worker safety

    • Interlock prevents interior access when energized
    • Two position disconnector earths line side MV compartment components prior to MV access
    • Internal arc classified to Type AFLR
    Enhanced reliability
    • Molded housings, conductor castings mean fewer bolted connections and parts
    • Robust 3 mm construction
    • One design complies with all relevant IEC and NEMA/UL standards
    Easy to use
    • Eye-level control / metering components
    • Easily accessible cable terminations
    • Disconnector and earthing switch position viewing windows


    Compressors, chillers, pumps, ventilators, conveyors, crushers, fans, etc.


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