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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 C45-200-121 ; NF EN 60255-121:2014-12-26
Measuring relays and protection equipment - Part 121: Functional requirements for distance protection

Title (German)

Messrelais und Schutzeinrichtungen - Teil 121: Funktionsanforderungen für den Distanzschutz

Edition 2014-12-26

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 C45-200-121 ; NF EN 60255-121:2014-12-26 Measuring relays and protection equipment - Part 121: Functional requirements for distance protection

Want to learn more?

NF C45-200-121 ; NF EN 60255-121:2014-12-26
Measuring relays and protection equipment - Part 121: Functional requirements for distance protection