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
Air Circuit Breakers
Products as the main circuit protective device to make electrical equipment multifunctional.
- Air Circuit Breakers (ACB) AE-SW
Molded Case Circuit Breakers
Products for the protection of an overload, short-circuit basically.
- Molded-Case Circuit Breakers (MCCB) NF
- Motor Protection Breakers NF
Earth Leakage Circuit Breakers
Products for the protection of an overload, short-circuit and earth-leakage basically.
- Earth Leakage Circuit Breakers (ELCB) NV
- Motor Protection Breakers NV
Miniature Circuit Breakers
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
UL 489 Listed Circuit Breakers
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
Molded Case Circuit Breakers with MDU
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
Circuit Breakers for Use in Particular Applications
Products to be more suitable for the particular application.
- Instantaneous tripping Circuit Breakers
- Isolation Switches DSN
Circuit Breakers for Panelboard and Control board
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
Earth Leakage Relays
Products suitable to add the earth-leakage protection to existing systems.
- Earth Leakage Relays NV-Z
Accessories and Related Components
Products to extend the performance of a breaker by installing it in/on the breaker.
- Internal Accessories AL, AX, SHT, UVT
- External Accessories Handle, TC, HL, MD
- Breaker Testers
Engineering Software
Calculation and selection software for low-voltage circuit breakers.
- MELSELECT
- MELSHORT 2
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