MITSUBISHI ELECTRIC Low-voltage Products
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Low-voltage Products Circuit Breakers - Molded-case Circuit Breakers (MCCB)

Features

Molded-case circuit breakers are utilized to open/close low-voltage circuits and protect wiring by automatically closing circuits when overloading or short-circuiting occurs.

Learn more about WSS series models
NF-C Series Economy Type

This basic model has excellent cost performance. Standard products range from 30 to 800A frames.

NF-S Series Standard Type
NF-H Series
High-performance Type

This standard model lineup, with products from 32A to 1600A frames, can be used for a wide range of applications. (H Series: 63A-800A frames)

NF-U Series
Ultra Current-limiting Type

Realizing the world's maximum breaker capacity of 200kA, this high breaking capacity/high earth leakage circuit breaker is the optimum model for backup shutdown.

Product Lineup

Frame Size (A) Economy Type Standard Type High-performance Type Ultra Current-limiting Type
32(30) NF30-CS NF32-SW - -
63 NF63-CW NF63-SW NF63-HW -
125 NF125-CW NF125-SW NF125-HW NF125-RGW
NF125-SGW NF125-HGW NF125-UGW
160 - NF160-SW NF160-HW -
NF160-SGW NF160-HGW
250 NF250-CW NF250-SW NF250-HW NF250-RGW
NF250-SGW NF250-HGW NF250-UGW
400 NF400-CW NF400-SW NF400-HEW NF400-UEW
NF400-SEW NF400-REW
630 NF630-CW NF630-SW NF630-HEW -
NF630-SEW NF630-REW
800 NF800-CEW NF800-SEW NF800-HEW NF800-UEW
NF800-SDW NF800-REW
1000 - NF1000-SEW - -
1250 - NF1250-SEW - -
NF1250-SDW
1600 - NF1600-SEW - -
NF1600-SDW