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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

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IEC 77A/487/CD	2005-03-11	IEC 61000-3-2-A3f2: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current = 16 A per phase) More	Comment
IEC 77A/479/NP	2004-11-12	New Work Item Proposal on Overvoltages on public electricity distribution networks More	Comment
IEC 77A/493/FDIS	2004-03-12	IEC 61000-3-3-A2 Ed.1: Test conditions for tumble dryers More	Comment
IEC 77A/449/CD	2003-11-28	Amendment to IEC 61000-3-2: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current = 16 A per phase) More	Comment
IEC 77A/473/CDV	2003-11-28	Amendment to IEC 61000-3-2: Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current = 16 A per phase) More	Comment
IEC 77A/466/CDV	2002-04-19	IEC 61000-4-34: Electromagnetic compatibility (EMC) Part 4-34: Testing and measuring techniques - Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current more than 16 A per phase. Basic EMC publication More	Comment
IEC 77A/460/DTR	2002-04-12	IEC 60725 "Considerations on reference impedances for use in determining the disturbance characteristics of household appliances and similar electrical equipment" More	Comment
IEC 77A/375/DTR	2002-02-22	ELECTROMAGNETIC COMPATIBILITY (EMC) - Part 2-8: ENVIRONMENT Voltage dips and short interruptions on public electric power supply systems with statistical measurement results. More	Comment
IEC 77/266A/CD	1998-12-18	CORRIGENDUM to Document 77A/266/CD: Electromagnetic compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems. Basic EMC publication More	Comment
IEC 77A/237/NP	1998-06-12	New Work Item Proposal on Assesment of electromagnetic immunity and emission requirements for dispersed generation in LV networks More	Comment

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