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

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  • Climate change Standards and specifications support climate targets

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

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Publications of CLC/TC 37A

CLC/TS 50539-12 2010-03 Pre-standard Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 12: Selection and application principles - SPDs connected to photovoltatic installations More  Order from DIN Media
CLC/TS 50539-22 2010-05 Pre-standard Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 22: Selection and application principles - Wind turbine applications More  Order from DIN Media
CLC/TS 50544 2010-02 Pre-standard Low voltage d.c. surge protective device for traction systems - Selection and application rules for surge arresters More  Order from DIN Media
CLC/TS 61643-12 2006-08 Pre-standard Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles (IEC 61643-12:2002, modified) More  Order from DIN Media
CLC/TS 61643-22 2006-04 Pre-standard Low voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles (IEC 61643-22:2004, modified) More  Order from DIN Media

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