智能型断路器的欠压脱扣、分励脱扣、辅助触头等内部附件，如表b 1所示。

Internal Accessories of the s (h) Z Intelligent Type Breaker, such as Under voltage trip, Shunt trip, Auxiliary contacts and Alarming contacts etc.

youdao

智能型断路器的欠压脱扣、分励脱扣、辅助触头等内部附件，如表b 1所示。

Internal Accessories of the s (h) Z Intelligent Type Breaker, such as Under voltage trip, Shunt trip, Auxiliary contacts and Alarming contacts etc.

youdao