- Air Circuit Breakers
- Molded Case Circuit Breakers
- Earth Leakage Circuit Breakers
- Miniature Circuit Breakers
- Circuit Breakers for Equipment
- Molded Case Circuit Breakers for DC circuit (up to 1000VDC)
- UL 489 Listed Circuit Breakers
- Molded Case Circuit Breakers with MDU
- Circuit Breakers for Use in Particular Applications
- Circuit Breakers for Panelboard and Control board
- Earth Leakage Relays
- Accessories and Related Components
- Engineering Software













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.
Product List

Products as the main circuit protective device to make electrical equipment multifunctional.
- Air Circuit Breakers (ACB) AE-SW
- Air Circuit Breakers(ACB) AE V

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

Products also suitable to install inside the equipment by a small size.
- Circuit Protectors (CBE) CP

Circuit Breakers mainly used for Photovoltaic power generation system.
- Molded Circuit Breakers for DC use NF-HD

Mandatory products for overcurrent protection of 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

Products for the detection of information of a circuit – it may be support energy saving of the system.
- Molded Case Circuit Breakers with Measuring Display Unit NF with MDU

Products to be more suitable for the particular application.
- Instantaneous tripping Circuit Breakers
- Isolation Switches DSN

Products suitable for any panelboards and control boards by small size.
- Circuit Breakers for Control board NF-FA
- Circuit Breakers for Control board NF-FAU, FHU
- Circuit Breakers for Panelboard NF-KC

Products suitable to add the earth-leakage protection to existing systems.
- Earth Leakage Relays NV-Z

Accessories and Related Components
- Internal Accessories AL, AX, SHT, UVT
- External Accessories Handle, TC, HL, MD
- • Breaker Testers

Calculation and selection software for low-voltage circuit breakers.
- MELSELECT
- MELSHORT 2
- Edge Computing Products
- FA Sensor
- Drive Product
- Visualization
- Industrial Robots
- Low-Voltage Power Distribution Products
- Power Monitoring Products