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Masterpact M

High current air circuit breakers 800 to 6300A

End-of-Sale Notice

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Masterpact M
  • Features

    Starting from October 1st 2003, the Masterpact M orders are managed by U2R (Retrofit management Dpt).
    • Nominal current:800 to 6300A AC
    • Breaking capacity from 40 to 150 kA rms
    • Voltage rating:up to 690 V
    • 3 and 4-pole versions
    • Fixed or drawout versions

    The following versions are cancelled:
    • 1000 V AC version :
    • DC version
    • anti-corrosion version
    • UL489 and UL 1066

    They have been replaced by the current range of Masterpact NT and NW.

    Applications

    The Masterpact M circuit breaker is used to protect and control low voltage distribution systems. It can be installed in main LV switchboards (incoming units, main and secondary outgoers).