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SURGE PROTECTOR DEVICE
HDU1-I25B 电涌保护器
概述 Overview
HDU1-I25B 雷击电涌保护器（以下简称 SPD）适用于交流 50/60Hz、380V 以及下的 TT、TN 等供电系统，对雷击或其它瞬时过电压进行保护，应用于雷击
风险较高地区的电源系统的一级（B 级）防雷保护。安装在 LPZ0B 区与 LPZ1 区交界处各项技术指标均满足现行的 GB50057-2010 和 GB/T18802.1 中规定
的要求。
HDU1-I25B lightning Surge protector device (hereinafter referred to as SPD) is applicable to AC power supply systems such as TT and TN under AC 50/60Hz, 380V
and below. It protects lightning strikes or other transient overvoltages and is applied to power supplies with high risk of lightning strikes. The first level (B level) lightning
protection of the system. The technical indicators installed at the junction of LPZ0B and LPZ1 meet the requirements specified in the current GB50057-2010 and GB/
T18802.1.
33 Handa Electric
