接地保护电流继电器联系方式_大电流继电器公司
    SD-JLE22F/G型（F型为嵌入式安装，G型为导轨式安装）定时限电流继电器（以下简称电流继电器）是一种针对发电机、变压器、输变电线路的保护装置，作为电力系统交流回路过负荷或短路的启动元件，给出报警信号或切断故障回路。
    SD-JLE22F/G type(F type is embedded installation, G type is rail-style installation) definite time lag current relay(hereinafter, current relay) is a kind of protection device for power generator, voltage transformer, power-transmission lines, as the starting element of the power system AC circuit overload or short circuit to give off alarms or cut off the fault circuit.
    该产品采用微机控制芯片，具有测量范围宽、精度高、报警延时和动作延时分别设置与控制。配合 SD-LJD（LXK）系类零序电流互感器和动作继电器即组成完整的零序（接地）保护系统。适用于AC690V及以下电网系统。
    The product is using microcomputer-controlled chip, having the features such as wide range of measurement, high precision, alarm time delay ａnd operating time delay can be set ａnd controlled separately. Used together with SD-LJD(LXK) series ZCT ａnd executing relay to form a complete zero sequence(ground) protection system. It applies to power system up to AC690V.




桑迪电器///接地保护电流继电器联系方式_大电流继电器公司