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Low-voltage Circuit Breakers

Low Voltage Circuit Breakers(LVCBs)

Mitsubishi low voltage circuit breakers prolong the lifespan of 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 List

Air Circuit Breakers

Air Circuit Breakers Products for protecting the main circuit, and for making electrical equipment multi-functional.

  • Air Circuit Breakers (ACB) AE-SW

Molded Case Circuit Breakers

Molded Case Circuit Breakers Products mainly for protection against overload and short-circuit.

  • Molded-Case Circuit Breakers (MCCB) NF

Earth Leakage Circuit Breakers

Earth Leakage Circuit Breakers Products mainly for protection against overload, short-circuit (MCB) and earth leakage (RCCB/RCBO).

  • Earth Leakage Circuit Breakers (ELCB) NV

Miniature Circuit Breakers

Miniature Circuit Breakers For small ampere branch circuits, mainly for protection against overload, short-circuit (MCB) and earth leakage (RCCB/RCBO).

  • 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

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

Molded Case Circuit Breakers for DC circuit (up to 1000VDC) Circuit Breakers mainly used in photovoltaic power generation systems.

  • Molded Circuit Breakers for DC use NF-HD

UL 489 Listed Circuit Breakers

UL 489 Listed Circuit Breakers Mandatory products for overcurrent protection in North American countries.

  • UL 489 Listed Molded Case Circuit Breakers NF-U
  • UL 489 Listed Molded Case Circuit Breakers with Ground Fault Protection NV-U

Circuit Breakers for Use in Particular Applications

Circuit Breakers for Use in Particular Applications Products for adapting equipment to a particular application.

  • Isolation Switches DSN

Accessories and Related Components

Accessories and Related Components Products for enhancing the performance of a breaker, through installation in/on the breaker.

  • Internal Accessories AL, AX, SHT, UVT
  • External Accessories Handle, TC, HL, MD
  • Breaker Testers