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A method of temperature-rise verification of low-voltage switchgear and controlgear assemblies by calculation

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies- Part 0: Guidance to specifying assemblies

60.60 Standard published

TC 121/SC 121B

Corrigendum 1 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules

60.60 Standard published

TC 121/SC 121B

Corrigendum 2 - Low-voltage switchgear and controlgear assemblies - Part 1: General rules

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Part 1: General rules

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Part 3: Distribution boards intended to be operated by ordinary persons (DBO)

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies for construction sites (ACS)

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Part 5: Assemblies for power distribution in public networks

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Part 6: Busbar trunking systems (busways)

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations

60.60 Standard published

TC 121/SC 121B

Enclosed low-voltage switchgear and controlgear assemblies - Guide for testing under conditions of arcing due to internal fault

60.60 Standard published

TC 121/SC 121B

Empty enclosures for low-voltage switchgear and controlgear assemblies - General requirements

60.60 Standard published

TC 121/SC 121B

Integration of internal arc-fault mitigation systems in power switchgear and controlgear assemblies (PSC‑Assemblies) according to IEC 61439-2

60.60 Standard published

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Part 6: Busbar trunking systems (busways)

30.20 CD study/ballot initiated

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Part 8: Assemblies for use in photovoltaic installations

40.60 Close of voting

TC 121/SC 121B

Low-voltage switchgear and controlgear assemblies - Internal arc-fault protection of low-voltage switchgear and controlgear assemblies in accordance with the IEC 61439 series

30.60 Close of voting/ comment period

TC 121/SC 121B

Supplementary requirements for intelligent assemblies

60.00 Standard under publication

TC 121/SC 121B