IS20OTBCIH1CA 售后无忧 质保一年 放心选择

DS200AAHAH1AED
DS200AAHAH2ADC
DS200ACNAG1A
DS200ACNAG2A
DS200ADCIF1ABA
DS200ADCIH1ADB
DS200ADGIH1AAA
DS200ADMAH1AAA
DS200ADMAH1AAC

分类: 标签:

描述

IEC1024—1已经阐述了建筑物防雷接地的方法,主要是通过建筑物地下网状接地系统达到要求。变频器系统防雷时还要求对相邻两建筑物之间通过的电力线,信号传输电缆均必须与建筑物接地系统连接起来(不能形成回路),以利用多条并行路径来减少电缆中的电流。

JDS UNIPHASE SC 2X64 FIBER OPTIC SWITCH SM FC DUAL 1X32

JDS UNIPHASE SC 1X100 FIBER OPTIC SWITCH SYSTEM FITEL

JDS UNIPHASE SG 4X8 FC FIBER OPTIC SWITCH SYSTEM FITEL

JDS Uniphase MAP+2B00 WITH Tunable grafing filter

JDS UNIPHASE SC 2 1X12 FIBER OPTIC SWITCH D FITEL

JDS UNIPHASE SC 1X35 FIBER OPTIC SWITCH SYSTEM FITEL

JDS Uniphase SWS16102 L-Band Source Optics Module JDSU

JDS UNIPHASE SC 2X20 FIBER OPTIC SWITCH SYSTEM FITEL

JDS UNIPHASE SC 4X8 FIBER OPTIC SWITCH

JDS UNIPHASE SC 1X30 FIBER OPTIC SWITCH C CONFIG FITEL

JDS UNIPHASE SC 1X32 FIBER OPTIC SWITCH C CONFIG

JDS UNIPHASE SB 2X48 ST FIBER OPTIC SWITCH

JDS Uniphase SWS-OMNI Optical Modulator JDSU SWS2000