Circuit Breaker

Circuit Breaker 

MCB

KWB6 series miniature circuit breakers (hereinafter referred to as MCB) are a kind of current-limiting miniature circuit breakers with high 

Miniature Circuit Breakers (MCB)

Application scope

KWB6 series miniature circuit breakers (hereinafter referred to as MCB) are a kind of current-limiting miniature circuit breakers with high breaking capacity and both overload and short-circuit protection. The MCBs are applied to the circuits with rated operational voltage up to 415V, a.c. 50Hz, and rated operational current not exceeding 63 A. They are used to protect circuits against overload and short-circuit, and al­so be used to switch circuits infrequently under normal conditions.

Type designation and meaning(KW B 6)

6 – Rated current

B –Type of instantaneous tripping Design code

W –Miniature circuit breaker

K –Corporation code