Low-voltage Circuit Breakers

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.

Low-voltage-Circuit

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

  • Air Circuit Breakers (ACB) AE-SW

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

  • Molded-Case Circuit Breakers (MCCB) NF
  • Motor Protection Breakers NF

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

  • Earth Leakage Circuit Breakers (ELCB) NV
  • Motor Protection Breakers NV

For small ampere branch circuit, products for the protection of an overload, short-circuit (MCB) and earth leakage (RCCB/RCBO) basically.

  • Miniature Circuit Breakers (MCB) BH-D, BH-DN
  • Residual Current Circuit Breakers (RCCB) BV-D
  • Residual Current Circuit Breakers with Overload Protection (RCBO) BV-DN
  • Isolating Switches KB-D
Circuit Breakers for Equipment

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

  • Circuit Protectors (CBE) CP
Molded Case Circuit Breakers for DC circuit (up to 1000VDC)

Circuit Breakers mainly used for Photovoltaic power generation system.

  • Molded Circuit Breakers for DC use NF-HD