IEC 61643-21 Ed. 1.0 b:2000, Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling ... Performance requirements and testing methods
Book Details
Author(s)
IEC TC/SC 37A
ISBN / ASIN
B000Y2LUDA
ISBN-13
978B000Y2LUD0
Availability
Usually ships in 24 hours
Sales Rank
#99,999,999
Marketplace
United States 🇺🇸
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Description
Is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lithning 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.
