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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 61857-21
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications (IEC 61857-21:2009) (german version)

Title (German)

Elektrische Isoliersysteme - Verfahren zur thermischen Bewertung - Teil 21: Spezielle Bedingungen für Mehrzweckmodelle - Anwendungen bei Drahtwicklungen (IEC 61857-21:2009) (deutsche Fassung)

Edition 2010-04-01

Original language German

Price from 45.72 €

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Terminology

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 61857-21 Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications (IEC 61857-21:2009) (german version)

Want to learn more?

OEVE/OENORM EN 61857-21
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications (IEC 61857-21:2009) (german version)