• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Projects of IEC/SC 77A

IEC 77A/217/FDIS 1995-03-24 Part 3: Limits - Section 2: Limits for harmonic current emissions (equipment input current 16A per phase) - Limits for self-ballasted lamps More  Comment 
IEC 77A/123/NP 1995-03-24   More  Comment 
IEC 77A/198/CD 1995-03-24 Electromagnetic compatibility (EMC) - Part 4: Testing and measurement techniques - Section 31: Measurements in the frequency range 2 kHz to 9 kHz. Basic EMC standard More  Comment 
IEC 77/303A/CDV 1997-11-14 CORRIGENDUM to Document 77A/303/CDV More  Comment 

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