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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]

SN HD 639 S1
Electrical accessories - Portable residual current devices without integral overcurrent protection for household and similar use (PRCDs) (IEC 61540:1997 + A1:1998, modified)

Title (German)

Elektrisches Installationsmaterial - Ortsveränderliche Fehlerstrom-Schutzeinrichtungen ohne eingebauten Überstromschutz für Hausinstallationen und ähnliche Anwendungen (PRCDs) (IEC 61540:1997 + A1:1998, modifiziert)

Edition 2002-03

Original language French

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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

SN HD 639 S1 Electrical accessories - Portable residual current devices without integral overcurrent protection for household and similar use (PRCDs) (IEC 61540:1997 + A1:1998, modified)

Want to learn more?

SN HD 639 S1
Electrical accessories - Portable residual current devices without integral overcurrent protection for household and similar use (PRCDs) (IEC 61540:1997 + A1:1998, modified)