过电流保护装置
over current protection
over-current protection device
三段电流保护装置
three section electric current protection
剩余电流保护装置
cardinal red
Residual current protective device
residual current protection device
电流相位平衡保护装置
current phase-balance protection
交流发电机保护装置总成
alternator guard assembly
任选的发电机倒功率流保护装置
generator reverse power protection option
电磁式漏电保护装置
magnetic residual current circuit-breaker
电梯停电保护装置
elevator power-off protection device
过电流保护电器
over current protection devices
焊机空载自动断电保护装置
no-load power-off device of power supply
继电保护装置
overload protection device
Relay protector
relay protection system
relay protection equipment
relay protective device
relaying protection
relay device
protective relayings
relay protection device
protective relay
Relay protection
Protection device
漏电电流装置
devices of leakage current
剩余电流保护电器
residual current-operated protective devices(RCD