电源线路浪涌保护器
surge protection device for power line
装有熔断器和其他保护装置的电源变压器
machine tool control transformer
漏电电源保护
circuit protection for creepage
配电保护电器
distribution protection device
保护电器协调动作
Actuation coordination of electric protection equipment
coordination of protective electrical installations
触电保护器
electrical shock protective device
电磁型继电器保护
electromagnetism relaying
电流起动型漏电保护器
current actuated leakage protector
电流型漏电保护器
current mode leakage protector
电源保护
protection of power supply
power protection
掉电保护电路
circuit protector against power failure
power-down protection circuit
过电流保护电器
over current protection devices
鉴幅鉴相式漏电保护器
Amplitude and Phase Protective Leakage Protector