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SURGE PROTECTOR DEVICE

HDU1-II20X 电涌保护器

概述 Overview

HDU1-II20X 系列电涌保护器（以下简称 SPD）用于低压交流配电系统的 IT、TT、TN-C、TN-S、TN-C-S，等供电系统，对间接雷电和直接雷电影
响或其他瞬时过电压的电涌进行保护。SPD 具有共模 (MC) 和差模 (MD) 保护方式。SPD 符合 GB/T18802.1/IEC61643-II。
HDU1-II20X series Surge protector device (hereinafter referred to as SPD) is used for power supply systems such as IT, TT, TN-C, TN-S, TN-CS, etc. for low-
voltage AC distribution systems, for indirect lightning and direct lightning or other A surge of transient overvoltage is protected. The SPD has a common mode (MC)
and differential mode (MD) protection. The SPD complies with GB/T18802.1/IEC61643-II.

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