International Standards and Conformity Assessment for all electrical, electronic and related technologies

SC 121B

Low-voltage switchgear and controlgear assemblies

 
export to xls file

SC 121B Working Documents since 2019-10-31

Reference, Title
Downloads

Circulation

Date

Closing

Date

CENELEC

Voting /

Comment

Of interest to

Committees

121B/101A/CC

Revised Compilation of Comments on 121B/94A/CD - IEC TR 61439-0 ED3: Low-voltage switchgear and controlgear assemblies - Part 0: Guidance to specifying assemblies

2020-10-16 N
TC 18
TC 44
TC 64
SC 121A
121B/115/Q

Questionnaire on stability dates extensions of SC 121B

2020-10-09 2020-12-11 N/A
121B/116/Q

Questionnaire to National Committees concerning SC121B convenors mandate extensions

2020-10-09 2020-12-11 N/A
121B/117/Q

Nomination of a new co-convenor of SC 121B/MT 2 (Maintenance team in charge of IEC 61439-1, IEC 61439-2, IEC/TR 61439-0, IEC/TR 60890, IEC/TR 61641 and IEC/TS 63107)

2020-10-09 2020-11-20 N/A
121B/118/Q

Nomination of a new convenor of SC 121B/MT 3 (Maintenance team in charge of IEC 61439-6)

2020-10-09 2020-11-20 N/A
121B/114/INF

Future project for maintenance of IEC 62208 ED3 - Empty enclosures for low-voltage switchgear and assemblies-General requirements

2020-09-04 N/A
121B/113/CD

IEC TR 60890 ED3: A method of temperature-rise verification of low-voltages switchgear and controlgear assemblies by calculation

2020-08-28 2020-11-20 N
TC 18
TC 44
TC 64
SC 121A
121B/102A/CC

Revised Compilation of Comments on 121B/95A/CD - IEC TR 60890 ED3: A method of temperature-rise verification of low-voltages switchgear and controlgear assemblies by calculation

2020-08-21 N
TC 18
TC 44
TC 64
SC 121A
121B/112/RQ

Result of questionnaire on 121B/108A/Q: Extension for Co-Convenor of SC 121B/MT 2

2020-07-17 N/A
121B/110/DA

Draft agenda for next SC 121B plenary meeting to be held on 2020-10-09 in DKE main office (Stresemannallee 15, Frankfurt-am-Main, Germany). Opening time: 9:00 a.m., closing time: noon.

2020-07-10 N/A
121B/111/RQ

Results of 121B/106/Q: Questionnaire to national committees concerning organization of SC 121B 2020 plenary meeting in Frankfurt-am-Main (DE).

2020-07-10 N/A
121B/108A/Q

Extension of the term of office for Convenor of  121B: Low-voltage switchgear and controlgear assemblies

2020-06-19 2020-07-10 N/A Report of Comments
121B/109/RVD

Result of Voting on 121B/104/FDIS - IEC 61439-2 ED3: Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies

2020-06-19 Y
TC 18
TC 44
TC 64
SC 121A
121B/108/Q

Replaced by 121B/108A/Q

2020-05-29 2020-07-10 N/A Report of Comments
121B/107/DC

Document for comment: Future project for maintenance of IEC 62208 ED3 - Empty enclosures for low-voltage switchgear and assemblies - General requirements

2020-05-15 2020-08-07 N/A Report of Comments
TC 22
TC 44
TC 121
121B/105/DC

Document for comment: Future project for maintenance of IEC 61439-3 Ed.2- Low-voltage switchgear and controlgear assemblies-Part 3: Distribution boards intended to be operated by ordinary persons (DBO)

2020-05-01 2020-07-24 N/A Report of Comments
TC 22
TC 44
TC 121
121B/106/Q

Questionnaire to national committees concerning organization of SC 121B 2020 plenary meeting in Frankfurt-am-Main (DE).

2020-05-01 2020-06-12 N/A Report of Comments
121B/96/AC

Appointment of an assistant secretary

2020-04-24 N/A
121B/104/FDIS

IEC 61439-2 ED3: Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies

2020-04-24 2020-06-05 Y Voting Result
TC 18
TC 44
TC 64
SC 121A
121B/103/RVD

Result of Voting on 121B/99/FDIS - IEC 61439-1 ED3: Low-voltage switchgear and controlgear assemblies - Part 1: General rules

2020-04-03 Y
TC 18
TC 44
TC 64
SC 121A
121B/100/RVC

Result of Voting on 121B/92/CDV - IEC 61439-2 ED3: Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies

2020-02-28 Y
TC 18
TC 44
TC 64
SC 121A
121B/101/CC

Compilation of Comments on 121B/94A/CD - IEC TR 61439-0 ED3: Low-voltage switchgear and controlgear assemblies - Part 0: Guidance to specifying assemblies

2020-02-28 N
TC 18
TC 44
TC 64
SC 121A
121B/102/CC

Compilation of Comments on 121B/95A/CD - IEC TR 60890 ED3: A method of temperature-rise verification of low-voltages switchgear and controlgear assemblies by calculation

2020-02-28 N
TC 18
TC 44
TC 64
SC 121A
121B/99/FDIS

IEC 61439-1 ED3: Low-voltage switchgear and controlgear assemblies - Part 1: General rules

2020-02-07 2020-03-20 Y Voting Result
TC 18
TC 44
TC 64
SC 121A
121B/97/RVDTS

Result of Voting on 121B/89/DTS - IEC TS 63107 ED1: Integration of arcing fault mitigation devices into power switchgear and controlgear assemblies (PSC-ASSEMBLIES) according to IEC 61439-2

2020-01-17 N
TC 18
TC 44
TC 64
SC 121A
121B/98/RVN

Result of Voting on 121B/93A/NP - PNW TS 121B-93: General technical requirements for intelligent assemblies

2020-01-17 N
TC 18
TC 44
TC 64
SC 121A
121B/94A/CD

IEC TR 61439-0 ED3: Low-voltage switchgear and controlgear assemblies - Part 0: Guidance to specifying assemblies

2019-11-08 2020-01-24 N Report of Comments
TC 18
TC 44
TC 64
SC 121A
121B/95A/CD

IEC TR 60890 ED3: A method of temperature-rise verification of low-voltages switchgear and controlgear assemblies by calculation

2019-11-08 2020-01-24 N Report of Comments
TC 18
TC 44
TC 64
SC 121A
121B/94/CD

Replaced by 121B/94A/CD

2019-11-01 2020-01-24 N Report of Comments
TC 18
TC 44
TC 64
SC 121A
121B/95/CD

Replaced by 121B/95A/CD

2019-11-01 2020-01-24 N Report of Comments
TC 18
TC 44
TC 64
SC 121A