trip switch

劍橋詞典

a safety switch that automatically stops electricity from flowing to a machine if a dangerously large current is created by the machine failing to operate as it should
跳牐開關(guān)，跳脫開關(guān)（一種安全開關(guān)，機(jī)器故障不能正常運(yùn)行而産生較大危險(xiǎn)電流時(shí)，它自動停止給機(jī)器供電） 返回 trip switch