SD-ZLD2剩余电流动作继电器-建德市桑迪电器有限公司

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SD-ZLD2剩余电流动作继电器

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产品新闻

> SD-ZLD2型（SD-ZLD2G型为导轨式安装）剩余电流动作继电器（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。 > 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。 > SD-ZLD2 type(SD-ZLD2G type is rail-style installation) current protection 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. > 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.

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SD-ZLD2剩余电流动作继电器