International Electrotechnical Commission

Publication detail

Reference	IEC 61643-21 ed1.0 withdrawn corrigendum	no preview
Title	Corrigendum 1 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
Publication date	2001-03-28
Download	Free download or Buy base publication
Abstract
Technical Committee	37A - Low-voltage surge protective devices
ICS Codes	29.240 Power transmission and distribution networks *Electricity supply systems in buildings, see 91.140.50 29.240.10 Substations. Surge arresters
Replaced by
Stability date	2016
Work in progress	Project Stage code Forecast publication date No project under development - -

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