The breaker and operating mechanism use up-under arrangement structure, reducing the depth of the breaker effectively.

断路器与操动机构采用上下布置结构，有效地降低了断路器的深度。

youdao

The breaker and operating mechanism use up-under arrangement structure, reducing the depth of the breaker effectively.

断路器与操动机构采用上下布置结构，有效地降低了断路器的深度。

youdao