International
Electrotechnical
Commission
International Standards and Conformity Assessment
for all electrical, electronic and related technologies
SC 121B |
Low-voltage switchgear and controlgear assemblies |
SC 121B Work programme (6)
Project Reference |
Document Reference |
Init. Date |
Current Stage |
Next Stage |
Working Group |
Project Leader |
Fcst. Publ. Date |
|---|---|---|---|---|---|---|---|
|
PNW TS 121B-93
General technical requirements for intelligent assemblies
|
121B/93A/NP |
PNW
2019-10 |
PRVN
2019-12 |
Weihong Song | 2022-10 | ||
|
IEC TR 60890 ED3
A method of temperature-rise verification of low-voltages switchgear and controlgear assemblies by calculation
|
121B/95A/CD | 2019-11 |
CD
2019-11 |
PCC
2020-01 |
2020-09 | ||
|
IEC TR 61439-0 ED3
Low-voltage switchgear and controlgear assemblies- Part 0: Guidance to specifying assemblies
|
121B/94A/CD | 2019-11 |
CD
2019-11 |
PCC
2020-01 |
2020-09 | ||
|
IEC 61439-1 ED3
Low-voltage switchgear and controlgear assemblies - Part 1: General rules
|
121B/80/CDV | 2014-04 |
RFDIS
2019-11 |
CFDIS
2020-02 |
MT 2 | Thomas W. Mennell | 2020-04 |
|
IEC 61439-2 ED3
Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies
|
121B/92/CDV | 2014-04 |
CCDV
2019-10 |
PRVC
2020-01 |
MT 2 | Thomas W. Mennell | 2020-12 |
|
IEC TS 63107 ED1
Integration of internal arc-fault mitigation systems in power switchgear and controlgear assemblies (PSC ‑ Assemblies) according to IEC 61439-2 |
121B/89/DTS |
2017-01 |
PRVDTS
2019-10 |
2020-01 |
PT 63107 | Martin Isberg | 2020-06 |
507 kB