Negative sequence inverse time overcurrent protection 负序反时限过流保护装置
Fuses for supplementary overcurrent protection 用于辅助过电流保护的熔断器
Circuit - breakers for overcurrent protection for household and similar installations 家用和类似装置用过电流保护断路器
Integrated circuit for the overvoltage and overcurrent protection of telecommunications installations 通信设备过电压过电流保护用集成电路型保安单元
Reliability test method of circuit - breakers for overcurrent protection for household and similar installation 家用和类似用途的过电流保护断路器的可靠性试验方法
Residual current operated circuit - breaker with integral overcurrent protection for household and similar use 供家庭使用及作相类用途,具过流保护功能的电流式漏电断路器;
Rccbs residual current operated circuit - breakers with integral overcurrent protection for household and similar uses 家用和类似用途的有完整过电流保护的残余电流操作断路器
Main breakers provide overcurrent protection and a single disconnect point for all power in a switchboard or device 主开关能够提供过电流保护,是配电盘或设备的电源断开点。
Circuit - breakers for overcurrent protection for household and similar installations - circuit - breakers for a . c . operation 家用和类似设施用的过电流保护断路器.交流操作断路器
Rccbs residual current operated circuit - breakers without integral overcurrent protection for household and similar uses 家用和类似用途的无完整过电流保护的残余电流操作断路器