Scope of application
SMGB1-125 series of miniature circuit breakers with a beautiful appearance of small, light weight, high performance, reliable, high breaking capacity, rapid tripping, rail mounting, shell and parts with high flame retardant and impact resistant plastic, long life . Mainly used for AC 50Hz or 60Hz unipolar 230V, two, three, four-pole 400V line overload, short circuit protection, but also can be under normal circumstances infrequently on and off electrical equipment and lighting lines.
This product complies with GB14048.2 standard, with the international advanced level.

Model and meaning

Overcurrent tripping characteristics


The main technical parameters


Appearance and installation dimensions (mm)