IEC 61643-21 Amd.1 Ed. 1.0 b:2008
Amendment 1 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
International Electrotechnical Commission , 04/25/2008
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Product Information
Published:
04/25/2008
Pages:
41
File Size:
1 file , 1.1 MB
Language:
English, French
Note:
This product is unavailable in Ukraine, Russia, Belarus
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