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

SC 121A

Low-voltage switchgear and controlgear

 
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SC 121A Working Documents since 2019-04-08

Reference, Title
Downloads

Circulation

Date

Closing

Date

CENELEC

Voting /

Comment

Of interest to

Committees

121A/354/RVD

Result of Voting on 121A/340/FDIS - IEC 60947-3 ED4: Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units

2020-04-03 Y
SC 23H
121A/356/CC

Compilation of Comments on 121A/333/CD - IEC 60947-2 ED6: Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

2020-04-03 Y
SC 23E
121A/353/FDIS

IEC 60947-4-2 ED4: Low-voltage switchgear and controlgear – Part 4-2: Contactors and motor-starters – Semiconductor motor controllers, starters and soft-starters

2020-03-27 2020-05-08 Y
SC 22G
121A/355/RQ

Report of 121A/343/Q: National Committees to questionnaire concerning the publication of CORR2 to IEC 60947-5-1 ED4

2020-03-27 N/A
121A/338(F)/CDV

IEC 60947-9-2 ED1: Low-voltage switchgear and controlgear - Active arc-fault mitigation systems - Part 9-2: Optical-based internal arc-detection and mitigation devices

2020-03-20 2020-05-22 Y
SC 23E
SC 121B
121A/351/DC

Document for comment: Evaluation of change request C00087 to IEC 62683-1

2020-03-20 2020-05-22 N/A
TC 3
TC 44
TC 65
121A/352/DC

Document for comment: Evaluation of Change Request C00088 to IEC 62683 DB

2020-03-20 2020-05-22 N/A
TC 3
121A/329A/RVC

Revised Result of Voting on 121A/307/CDV - IEC 60947-4-3 ED3: Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters – Semiconductor controllers and semiconductor contactors for non-motor loads

2020-03-13 Y
121A/344/RVD

Result of Voting on 121A/337/FDIS - IEC 60947-1 ED6: Low-voltage switchgear and controlgear - Part 1: General rules

2020-03-06 Y
TC 18
SC 23E
SC 121B
121A/346/AC

Appointment of an assistant secretary

2020-03-06 N/A
121A/349/DC

Future project IEC 62683-2-2: Low-voltage switchgear and controlgear – Product data and properties for information exchange – Engineering data – Part 2-2: Switchgear and controlgear assembly objects for building information modelling

2020-03-06 2020-05-29 N/A
TC 3
TC 22
TC 23
TC 121
121A/350/INF

Report on 121A/319/DC: IEC CDD 62683-1 (Low-voltage switchgear and controlgear - Product data and properties for information exchange - Part 1: Catalogue data)

2020-03-06 N/A
TC 3
121A/338/CDV

IEC 60947-9-2 ED1: Low-voltage switchgear and controlgear - Active arc-fault mitigation systems - Part 9-2: Optical-based internal arc-detection and mitigation devices

2020-02-28 2020-05-22 Y
SC 23E
SC 121B
121A/345/CC

Compilation of Comments on 121A/330/CD - IEC 60947-5-1 ED5: Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices

2020-02-28 Y
TC 44
TC 94
121A/347/DC

Document for comment: Request for validation of change request C00089 to IEC 62683-1

2020-02-28 2020-04-24 N/A
TC 3
TC 94
TC 121
121A/348/DC

Document for comment: Evaluation of change request C00098 to IEC 62683-1

2020-02-28 2020-04-24 N/A
TC 3
TC 121
121A/334(F)/CDV

IEC 60947-6-1 ED3: Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment

2020-02-14 2020-05-01 Y
SC 23K
121A/314A/CC

Revised Compilation of Comments on 121A/294/CD - IEC 60947-8 ED2: Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines

2020-02-07 Y
TC 2
121A/334/CDV

IEC 60947-6-1 ED3: Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment

2020-02-07 2020-05-01 Y
SC 23K
121A/340/FDIS

IEC 60947-3 ED4: Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units

2020-02-07 2020-03-20 Y Voting Result
SC 23H
121A/341/CD

IEC TS 60947-7-5 ED1: Low-voltage switchgear and controlgear - Part 7-5: Ancillary equipment - Terminal blocks for aluminium conductors

2020-02-07 2020-05-01 N
121A/342/RVDISH

Result of Voting on 121A/336/DISH - IEC 60947-4-1/ISH1 ED4: Interpretation Sheet 1 - Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

2020-02-07 E
TC 2
SC 23E
TC 31
TC 61
SC 121B
121A/343/Q

Questionnaire to National Committees concerning the publication of CORR2 to IEC 60947-5-1 ED4

2020-02-07 2020-03-20 N/A Report of Comments
121A/249A/CC

Revised Compilation of Comments on 121A/236/CD - IEC TS 60947-7-5 ED1: Low-voltage switchgear and controlgear - Part 7-5: Ancillary equipment - Terminal blocks for aluminium conductors

2020-01-17 N
121A/337/FDIS

IEC 60947-1 ED6: Low-voltage switchgear and controlgear - Part 1: General rules

2020-01-10 2020-02-21 Y Voting Result
TC 18
SC 23E
SC 121B
121A/339/AC

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

2020-01-10 2020-04-03 N/A Report of Comments
121A/305A/CC

Compilation of Comments on 121A/279/CD - IEC 60947-9-2 ED1: Low-voltage switchgear and controlgear - Active arc-fault mitigation systems - Part 9-2: Optical-based internal arc-detection and mitigation devices

2019-12-20 Y
SC 23E
SC 121B
121A/312A/INF

Resolution of comments received on 121A/283/DC: Future project for maintenance of publication IEC 60947-4-1 ED4 - Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

2019-12-20 N/A
TC 31
121A/325A/INF

Resolution of comments received on 121A/315/DC: Project for publication of ISH1 on IEC 60947-4-1 ED4 - Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

2019-12-20 N/A
121A/331A/RVDTS

Result of Voting on 121A/321/DTS - IEC TS 63208 ED1: Low-voltage switchgear and controlgear – Security aspects

2019-12-20 N
SC 22G
TC 44
TC 57
TC 65
SC 65E
SC 121B
121A/332/RR

Review report on IEC 60947-2 Ed.5: Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

2019-12-20 Y
SC 23E
121A/333/CD

IEC 60947-2 ED6: Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

2019-12-20 2020-03-13 Y Report of Comments
SC 23E
121A/335/RVC

Result of Voting on 121A/277/CDV - IEC 60947-5-8 ED2: Low-voltage switchgear and controlgear - Part 5-8: Control circuit devices and switching elements - Three-position enabling switches

2019-12-20 Y
TC 44
121A/336/DISH

IEC 60947-4-1/ISH1 ED4: Interpretation Sheet 1 - Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

2019-12-20 2020-01-31 E Voting Result
TC 2
SC 23E
TC 31
TC 61
SC 121B
121A/323A/CC

Compilation of Comments on 121A/308/CD - IEC 60947-6-1 ED3: Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment

2019-12-06 Y
SC 23K
121A/331/RVDTS

Result of Voting on 121A/321/DTS - IEC TS 63208 ED1: Low-voltage switchgear and controlgear – Security aspects

2019-11-29 N
SC 22G
TC 44
TC 57
TC 65
SC 65E
SC 121B
121A/329/RVC

Result of Voting on 121A/307/CDV - IEC 60947-4-3 ED3: Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters – Semiconductor controllers and semiconductor contactors for non-motor loads

2019-10-25 Y
121A/330/CD

IEC 60947-5-1 ED5: Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices

2019-10-25 2020-02-14 Y Report of Comments
TC 44
TC 94
121A/288B/RVC

Result of Voting on 121A/259/CDV - IEC 60947-4-2 ED4: Low-voltage switchgear and controlgear – Part 4-2: Contactors and motor-starters – Semiconductor motor controllers, starters and soft-starters

2019-10-18 Y
SC 22G
121A/328/RR

Review report on IEC 60947-5-1 Ed.4: Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices

2019-10-18 Y
TC 44
TC 94
121A/288A/RVC

Result of Voting on 121A/259/CDV - IEC 60947-4-2 ED4: Low-voltage switchgear and controlgear – Part 4-2: Contactors and motor-starters – Semiconductor motor controllers, starters and soft-starters

2019-10-04 Y
SC 22G
121A/262A/INF

Maintenance of the publication IEC 60947-2: Low-voltage switchgear and controlgear - Part 2: Circuit-breakers – NC proposals following circulation of 121A/258A/DC

2019-09-27 N/A
121A/327/RQ

Reply to questionnaire of 121A/311/Q to National Committees concerning the mandate of SC 121A representative to ACSEC (Advisory Committee on Information security and data privacy)

2019-09-27 N/A
121A/282A/RVC

Result of Voting on 121A/248/CDV - IEC 60947-3 ED4: Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units

2019-09-20 Y
SC 23H
121A/326/INF

Report of comments on 121A/318/DC: Request for validation of Change Request C00081 to IEC 62683-1

2019-09-20 N/A
TC 3
121A/322/RVD

Result of Voting on 121A/313/FDIS - IEC 60947-5-2 ED4: Low-voltage switchgear and controlgear - Part 5-2: Control circuit devices and switching elements - Proximity switches

2019-09-13 Y
TC 44
TC 65
SC 65B
TC 76
121A/323/CC

Compilation of Comments on 121A/308/CD - IEC 60947-6-1 ED3: Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment

2019-09-13 Y
SC 23K
121A/324/INF

Information to all NCs about future maintenance projects of SC121A publications for control circuit devices aimed to consider built-in digital communication interface (SDCI) according to IEC 61131-9 (“Programmable controllers - Part 9: Single-drop digital communication interface for small sensors and actuators (SDCI)”).

2019-09-13 N/A
121A/325/INF

Replaced by 121A/325A/INF

2019-09-13 N/A
121A/306A/RVDTR

Result of Voting on 121A/292/DTR - IEC TR 63216 ED1: Low-voltage switchgear and controlgear - Electromagnetic compatibility assessment for switchgear and controlgear and their assemblies

2019-08-30 N
ACEC
TC 22
SC 22E
SC 22G
SC 22H
TC 44
TC 65
TC 77
SC 77A
SC 77B
TC 121
SC 121B
121A/320/CC

Compilation of Comments on 121A/291/CD - IEC TS 63208 ED1: Low-voltage switchgear and controlgear – Security aspects

2019-08-30 N
SC 22G
TC 44
TC 57
TC 65
SC 65E
SC 121B
121A/321/DTS

IEC TS 63208 ED1: Low-voltage switchgear and controlgear – Security aspects

2019-08-30 2019-11-22 N Voting Result
SC 22G
TC 44
TC 57
TC 65
SC 65E
SC 121B
121A/319/DC

Document for comment of SC 121A: IEC CDD 62683-1 (Low-voltage switchgear and controlgear - Product data and properties for information exchange - Part 1: Catalogue data)

2019-08-23 2019-10-18 N/A Report of Comments
121A/307/CDV

IEC 60947-4-3 ED3: Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters – Semiconductor controllers and semiconductor contactors for non-motor loads

2019-07-26 2019-10-18 Y Voting Result
121A/313/FDIS

IEC 60947-5-2 ED4: Low-voltage switchgear and controlgear - Part 5-2: Control circuit devices and switching elements - Proximity switches

2019-07-19 2019-08-30 Y Voting Result
TC 44
TC 65
SC 65B
TC 76
121A/318/DC

Document for comment: Request for validation of Change Request C00081 to IEC 62683-1

2019-07-19 2019-09-13 N/A Report of Comments
TC 3
TC 44
TC 121
121A/311/Q

Questionnaire to National Committees concerning the mandate of SC 121A representative to ACSEC (Advisory Committee on Information security and data privacy)

2019-07-12 2019-09-20 N/A Report of Comments
121A/312/INF

Replaced by 121A/312A/INF

2019-07-12 N/A
TC 31
121A/314/CC

Compilation of Comments on 121A/294/CD - IEC 60947-8 ED2: Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines

2019-07-12 Y
TC 2
121A/315/DC

Document for comment: Project for publication of ISH1 on IEC 60947-4-1 ED4 - Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters

2019-07-12 2019-09-06 N/A Report of Comments
121A/316/AC

MT 20: Maintenance of IEC 62091 - Call for experts

2019-07-12 N/A
121A/317/INF

Report of comments on 121A/300/DC: IEC CDD 62683-1 (Low-voltage switchgear and controlgear - Product data and properties for information exchange - Part 1: Catalogue data) IEC Common Data Dictionary (IEC CDD): C00081 - Operating means for switching device, audible signalling device and control stations

2019-07-12 N/A
121A/250A/RVC

Result of Voting on 121A/223/CDV - IEC 60947-1 ED6: Low-voltage switchgear and controlgear - Part 1: General rules

2019-07-05 Y
TC 18
SC 23E
SC 121B
121A/309/RQ

Report on 121A/299/Q: Questionnaire to National Committees concerning the creation of a new MT dedicated to maintenance of IEC 62091 “Low-voltage switchgear and controlgear - Controllers for drivers of stationary fire pumps” and its convenorship

2019-07-05 N/A
121A/310/INF

Report of comments on 121A/273/DC: Future project for maintenance of IEC 62091 Ed.1- Low-voltage switchgear and controlgear - Controllers for drivers of stationary fire pumps

2019-07-05 N/A
TC 17
TC 22
TC 121
121A/304/RVD

Result of Voting on 121A/297/FDIS - IEC 62026-2/AMD1 ED2: Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 2: Actuator sensor interface (AS-i)

2019-06-14 Y
SC 65C
121A/308/CD

IEC 60947-6-1 ED3: Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment

2019-06-14 2019-09-06 Y Report of Comments
SC 23K
121A/244A/CC

Compilation of Comments on 121A/232/CD - IEC 60947-6-1 ED3: Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment

2019-06-07 Y
SC 23K
121A/267A/CC

Compilation of Comments on 121A/240/CD - IEC 60947-4-3 ED3: Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters – Semiconductor controllers and semiconductor contactors for non-motor loads

2019-06-07 Y
121A/305/CC

Compilation of Comments on 121A/279/CD - IEC 60947-9-2 ED1: Low-voltage switchgear and controlgear - Active arc-fault mitigation systems - Part 9-2: Optical-based internal arc-detection and mitigation devices

2019-06-07 Y
SC 23E
SC 121B
121A/306/RVDTR

Result of Voting on 121A/292/DTR - IEC TR 63216 ED1: Low-voltage switchgear and controlgear - Electromagnetic compatibility assessment for switchgear and controlgear and their assemblies

2019-06-07 N
ACEC
TC 22
SC 22E
SC 22G
SC 22H
TC 44
TC 65
TC 77
SC 77A
SC 77B
TC 121
SC 121B
121A/302/RVD

Result of Voting on 121A/286/FDIS - IEC 60947-2/AMD1 ED5: Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

2019-05-17 Y
SC 3C
SC 3D
SC 23E
121A/301/RVD

Result of Voting on 121A/284/FDIS - IEC 60947-5-4/AMD1 ED2: Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests

2019-05-10 Y
121A/303/RVC

Result of Voting on 121A/270/CDV - IEC 60947-6-2 ED3: Low-voltage switchgear and controlgear - Part 6-2: Multiple function equipment - Control and protective switching devices (or equipment) (CPS)

2019-05-10 Y
TC 64
121A/298/RQ

Result to the questionnaire 121A/281/Q to National Committees concerning the mandate of SC 121A representative to ACEC (Advisory Committee on Electromagnetic Compatibility)

2019-04-26 N/A
121A/299/Q

Questionnaire to National Committees concerning the creation of a new MT dedicated to maintenance of IEC 62091 “Low-voltage switchgear and controlgear - Controllers for drivers of stationary fire pumps” and its convenorship

2019-04-26 2019-06-21 N/A Report of Comments
121A/300/DC

Document for comment: IEC CDD 62683-1 (Low-voltage switchgear and controlgear - Product data and properties for information exchange - Part 1: Catalogue data) IEC Common Data Dictionary (IEC CDD): C00081 - Operating means for switching device, audible signalling device and control stations

2019-04-26 2019-06-21 N/A Report of Comments
121A/297/FDIS

IEC 62026-2/AMD1 ED2: Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 2: Actuator sensor interface (AS-i)

2019-04-19 2019-05-31 Y Voting Result
SC 65C
121A/295/RVD

Result of Voting on 121A/280/FDIS - IEC 62026-1 ED3: Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 1: General rules

2019-04-12 Y
SC 65C
121A/296/INF

SC 121B project for new publication IEC TS 63107 ED1 “Integration of arcing fault mitigation devices into power switchgear and controlgear assemblies (PSC-ASSEMBLIES) according to IEC 61439-2”

2019-04-12 2019-05-17 N/A