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JPX202-FA9-81B氣體放電管保安單元
![JPX202-FA9-81B氣體放電管保安單元](http://m.negubide37.com/file/upload/201406/16/09-29-58-24-4719608.bmp)
- 產(chǎn)品特點(diǎn)與應(yīng)用
適用于局用交換設(shè)備、接入網(wǎng)設(shè)備的一級防護(hù);
具備告警信號輸出和大電流開路功能;
過壓防護(hù)采用氣體放電管:
直流擊穿電壓:190-260V
脈沖擊穿電壓:<800V(1kV/μs)
過流防護(hù)采用高速高分子熱敏電阻,當(dāng)電流為1A
時,動作時間<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
telecommunication equipment installed in a
telecommunications centre to overvoltages and
overcurrents.
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JPX202-FA9-83A半導(dǎo)體放電管保安單元
![JPX202-FA9-83A半導(dǎo)體放電管保安單元](http://m.negubide37.com/file/upload/201406/16/09-29-58-51-4719608.bmp)
- 產(chǎn)品特點(diǎn)與應(yīng)用
適用于局用交換設(shè)備、接入網(wǎng)的一級防護(hù);
具備告警信號輸出和大電流開路功能;
電力線搭接時可輸出告警;
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,
動作時間小于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
telecommunication equipment installed in a
telecommunications centre to overvoltages and
overcurrents.