1.
high speed directional overcurrent relay
高速定向过流继电器
2.
ectrodynamic type high speed impedance relay
电动式高速阻抗继电器
3.
delay thermal over-current relay
延时热过电流继电器
4.
plunger type overcurrent relay
活塞式过电流继电器
5.
plunger overcurrent relay
插棒式过电流继电器
6.
electronic valve type power directional relay
电子管功率定向继电器
7.
induction-ring type high-speed relay
感应环式高速继电器
8.
multi-zone high-speed distance relay
分域高速远距继电器
9.
rotating-iron type over-current relay
旋转衔铁式过流继电器
10.
single-phase directional short circuit relay
单相定向短路继电器
11.
voltage drop compensation directional relay
压降补偿式定向继电器
12.
induction type power directional relay
感应式功率定向继电器
13.
induction disc type directional relay
感应圆盘式定向继电器
14.
ectronic valve type power directional relay
电子管功率定向继电器;电子管式功率定向继电器
15.
instantaneous electromagnetic overcurrent relay
瞬时电磁式过电流继电器
16.
New JL22 intelligent overcurrent relay features high reliability, multfunction and easy to use.
新研制的JL22型过电流继电器可靠性高、能多、用方便。
17.
1-way repeater (includes telephone repeater). One or two line can be specified.
单向中继器（包括电话中继器）。可指定单线或双线。
18.
Time overcurrent and instantaneous overcurrent protection
定时限过电流和速动过电流保护