Mitsubishi Low-voltage Circuit Breakers create a future of the electrical equipment.

For over a half of a century Mitsubishi Low-voltage Circuit Breakers meet the needs of market. Including the WS-V series equipped with a new breaking technology, Mitsubishi Low-voltage Circuit Breakers have various lineups depending on the electric power market and the machinery.

Product Series

  • Circuit Breakers with Spring Clamp Terminals

    Circuit breakers with spring clamp terminals.

  • Air Circuit Breakers

    Products as the main circuit protective device to make electrical equipment multifunctional.

  • Molded Case Circuit Breakers

    Products for the protection of an overload, short-circuit basically.

  • Earth Leakage Circuit Breakers

    Products for the protection of an overload, short-circuit and earth-leakage basically.

  • Circuit Breakers for Equipment

    Products also suitable to install inside the equipment by a small size.

  • Molded Case Circuit Breakers for DC Circuit (up to 1000VDC)

    Circuit breakers mainly used for Photovoltaic power generation system.

  • UL 489 Listed Circuit Breakers

    Mandatory products for overcurrent protection of North American countries.

  • Molded Case Circuit Breakers with MDU

    Products for the detection of information of a circuit - it may be support energy saving of the system.

  • Circuit Breakers for Use in Particular Applications

    Products to be more suitable for the particular application.

  • Circuit Breakers for Distribution Panel and Control Panel

    Products suitable for any distribution panels and control panels by small size.

  • Earth Leakage Relays

    Products suitable to add the earth-leakage protection to existing systems.

  • Accessories and Related Components

    Products to extend the performance of a breaker by installing it in/on the breaker.