多断口真空开关
Vacuum Switch with Multiple Breaks
多重开关断路器
multi-break circuit breaker
双断口及多断口真空开关技术
Technology of vacuum circuit-breakers with double-breaks or multi-breaks
反向电流自动断开开关
automatic reverse current cutout
灭磁开关开断弧压
arc voltage for opening of field breaker
切断开关-断路器
isolated flyback regulator
电光开关多路系统
electro-optically switched multipass system
低压切断开关
low pressure cutoff switch
电爆炸丝切断开关
electric exploding opening switch
电子超速切断开关
electronic overspeed shutoff switch