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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]

OEVE/OENORM EN 60255-149
Measuring relays and protection equipment - Part 149: Functional requirements for thermal electrical relays (IEC 60255-149:2013) (german version)

Title (German)

Messrelais und Schutzeinrichtungen - Teil 149: Funktionsanforderungen an den thermischen Überlastschutz (IEC 60255-149:2013) (deutsche Fassung)

Edition 2014-07-01

Original language German

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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

OEVE/OENORM EN 60255-149 Measuring relays and protection equipment - Part 149: Functional requirements for thermal electrical relays (IEC 60255-149:2013) (german version)

Want to learn more?

OEVE/OENORM EN 60255-149
Measuring relays and protection equipment - Part 149: Functional requirements for thermal electrical relays (IEC 60255-149:2013) (german version)