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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 C04-451 ; NF EN IEC 60152:2021-09-03
Designation of phase differences by hour numbers in three-phase AC systems

Title (German)

Kennzeichnung der Phasenleiter in einem elektrischen Dreiphasensystem durch Uhrziffern

Edition 2021-09-03

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 C04-451 ; NF EN IEC 60152:2021-09-03 Designation of phase differences by hour numbers in three-phase AC systems

Want to learn more?

NF C04-451 ; NF EN IEC 60152:2021-09-03
Designation of phase differences by hour numbers in three-phase AC systems