IEC 61643-21 Ed. 1.0 b:2000

Click here to purchase
Is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltags up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c. The contents of the corrigendum of March 2001 have been included in this copy.

Product Details

Edition:
1.0
Published:
09/29/2000
Number of Pages:
111
File Size:
1 file , 760 KB