induction type overcurrent relay 感应式过流继电器

induction disc type relay 感应圆盘式继电器

induction type distance relay 感应式远距离继电器 ; 感应式远距离继电路

induction type reactive power relay 感应式无功功率继电器

induction disc type directional relay 感应圆盘式定向继电器

induction type power directional relay 感应式功率定向继电器

induction type under-voltage relay 感应式低电压继电器

induction-ring type high-speed relay 感应环式高速继电器

induction type over-voltage relay 感应式过电压继电器