產(chǎn)品特點(diǎn)與應(yīng)用
適用于局用交換設(shè)備、接入網(wǎng)的一級(jí)防護(hù);
具備告警信號(hào)輸出和大電流開路功能;
電力線搭接時(shí)可輸出告警;
過壓防護(hù)采用半導(dǎo)體放電管:
直流擊穿電壓:190-260V
脈沖擊穿電壓:<400V(1kV/μs)
過流防護(hù)采用高速高分子熱敏電阻,當(dāng)I=1A時(shí),
動(dòng)作時(shí)間小于0.4S;
符合YD/T 694-2004 《總配線架》;
符合ITU-T K.20 (07/2003) Res i s t ibi l i t y of
becommunication equipment installed in a
becommunications centre to overvoltages and
overcurrents.