该系列产品适用于交流50/60Hz, 380 及以下的TN-S、TN-C-S、TT、IT 等供电系统，是依据IEC标准设计.标准35mm导轨安装，该产品采用温控断路技术,内置过流熔断器和热感断路器,劣化时自动脱离装置.同时可视告警窗C ]指示绿色(正常)、红色(故障)。该系列产品适用于建筑物低压BCD级防雷保护，通常安装在楼层配电箱、计数机中心、电信机房、电梯控制室、变频设备控制室及装有电子医疗设备场所的配电箱内。

This series surge protective device suits for 50/60HZ, under 380V TN- -S, TN-C- -S, TT, IT etc power supply system, it was designed according to IEC standard. 35mm standard din rail insallation. This SPD is temperature control technology, over current fuse and thermal circuit breaker, automatic trip when degraded, at the same time has Green (normall, red (fault) indicator. This SPD suits for BCD level lightning protection, usually installed in each floor power supply distribution box, computer data center, telecommunications room, elevator control room, frequency conversion equipment control room and electronic medical equipment power distribution boxes.