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 (3)
Project Reference |
Document Reference |
Init. Date |
Current Stage |
Next Stage |
Working Group |
Project Leader |
Fcst. Publ. Date |
|---|---|---|---|---|---|---|---|
|
IEC TR 60890 ED3
A method of temperature-rise verification of low-voltages switchgear and controlgear assemblies by calculation
|
121B/113/CD | 2019-11 |
CD
2020-08 |
PCC
2020-11 |
2021-06 | ||
|
IEC TR 61439-0 ED3
Low-voltage switchgear and controlgear assemblies- Part 0: Guidance to specifying assemblies
|
121B/94A/CD | 2019-11 |
ADTR
2020-10 |
TDTR
2021-02 |
2021-08 | ||
|
IEC TS 63290 ED1
General technical requirements for intelligent assemblies
|
121B/93A/NP | 2020-01 |
ACD
2020-01 |
CD
2020-10 |
PT 63290 | Weihong Song | 2022-12 |
2533 kB