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

SC 121B

Low-voltage switchgear and controlgear assemblies

 
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SC 121B Working Documents since 2019-07-10

Reference, Title
Downloads

Circulation

Date

Closing

Date

CENELEC

Voting /

Comment

Of interest to

Committees

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
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
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
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
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
TC 18
TC 44
TC 64
SC 121A
121B/95/CD

Replaced by 121B/95A/CD

2019-11-01 2020-01-24 N
TC 18
TC 44
TC 64
SC 121A
121B/92/CDV

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

2019-10-25 2020-01-17 Y Voting Result
TC 18
TC 44
TC 64
SC 121A
121B/93A/NP

PNW TS 121B-93: General technical requirements for intelligent assemblies

2019-10-18 2019-12-27 N Voting Result
TC 18
TC 44
TC 64
SC 121A
121B/90/RVC

Result of Voting on 121B/80/CDV - IEC 61439-1 ED3: Low-voltage switchgear and controlgear assemblies - Part 1: General rules

2019-08-30 Y
TC 18
TC 44
TC 64
SC 121A
121B/91/CC

Compilation of Comments on 121B/84/CD - IEC 61439-2 ED3: Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies

2019-08-30 Y
TC 18
TC 44
TC 64
SC 121A
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

2019-08-02 2019-10-25 N Voting Result
TC 18
TC 44
TC 64
SC 121A
121B/88/CC

Compilation of Comments on 121B/83/CD - IEC TS 63107 ED1: Integration of arcing fault mitigation devices into power switchgear and controlgear assemblies (PSC-ASSEMBLIES) according to IEC 61439-2

2019-07-19 N
TC 18
TC 44
TC 64
SC 121A
121B/87A/AC

Call for nominations for Chair of SC 121B: Low-voltage switchgear and controlgear assemblies

2019-07-12 2019-08-02 N/A Report of Comments