Because bi metal element in miniature circuit breaker is easily affected by ambient temperature change, the protective characteristic of overload will be changed with ambient temperature change.
2
分励脱扣分励脱扣是线路断路器或可熔电闸的一个特性,可通过远程信号来进行分断或转换。
Shunt trip Shunt trip is a feature added to a circuit breaker or fusible switch to permit the remote opening of the breaker or switch by an electrical signal.
3
详细叙述了漏电开关零序电流互感器及其铁芯,脱扣器的工作特性、材料选用。
The properties and selection of the zero-phase sequence current transformer core and tripper for GFCI are in detail described.