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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]

NF C20-040-4 ; NF EN 60664-4:2006-06-01
Insulation coordination for equipment within low-voltage systems - Part 4: consideration of high-frequency voltage stress

Title (German)

Isolationskoordination für elektrische Betriebsmittel in Niederspannungsanlagen - Teil 4: berücksichtigung von hochfrequenten Spannungsbeanspruchungen

Edition 2006-06-01

Original language French

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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

NF C20-040-4 ; NF EN 60664-4:2006-06-01 Insulation coordination for equipment within low-voltage systems - Part 4: consideration of high-frequency voltage stress

Want to learn more?

NF C20-040-4 ; NF EN 60664-4:2006-06-01
Insulation coordination for equipment within low-voltage systems - Part 4: consideration of high-frequency voltage stress