插棒式过电流继电器
plunger overcurrent relay
串联过电流继电器
series over-current relay
活塞式过电流继电器
plunger type overcurrent relay
瞬时电磁式过电流继电器
instantaneous electromagnetic overcurrent relay
中性过电流继电器
neutral over-current relay
定向过流继电器
directional overcurrent relay
反向过流继电器
reverse overcurrent relay
感应式过流继电器
induction type overcurrent relay
感应圆盘式反比时限过载流继电器
induction disc type inverse-time overcurrent relay
高速定向过流继电器
high speed directional overcurrent relay
旋转衔铁式过流继电器
rotating-iron type overcurrent relay
弱电流继电器电路
low current relay circuit