方向电流保装置 directioal current protection

过电流保护装置 [电] overcurrent protective device ; [电] overcurrent protection ; excess current cut out

电流保装置 current protection

逆电流保装置 counter current protection

载波电流保装置 current protection

电流保护装置 [电] current protective device ; current protection ; OCPD

限流过电流保护装置 current-limiting overcurrent protective device

非方向电流保护装置 non directional current protection

逆电流保护装置 reverse-current protecting equipment