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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

CSA C22.2 No. 61643-21
Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signaling networks - Performance requirements and testing methods (Adopted IEC 61643-21:2000, edition 1:2000 consolidated with amendment 1:2008 and amendment 2:2012, with Canadian deviations)

Edition 2022-02-01

Original language English , French

Price from 1,032.60 €

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Terminology

Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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