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 2014-08-02

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121A/52/RVC

Result of voting on 121A/26/CDV: IEC 60947-2 Ed.5: Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
2015-07-24yes
121A/51/RVC

Result of voting on 121A/34/CDV: Amendment 2 to IEC 60947-5-1 Ed.3: Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
2015-07-10yes
121A/50/RVC

Result of voting on 121A/32/CDV: Amendment 2 to IEC 60947-5-5 Ed.1: Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function
2015-07-03yes
121A/49/DC

Maintenance of the publication IEC 60947-3 of SC 121A: Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
2015-06-262015-09-25
TC 82
121A/48/DC

Maintenance of the publication IEC 60947-5-2 of SC 121A: Low-voltage switchgear and controlgear - Part 5-2: Control circuit devices and switching elements - Proximity switches
2015-06-122015-09-11
TC 65
121A/47/FDIS

IEC 62683 Ed.2: Low-voltage switchgear and controlgear - Product data and properties for information exchange
2015-05-292015-07-31yesVoting Result
TC 3
TC 22
TC 23
TC 65
121A/46/RVD

Report of voting on 121A/42/FDIS: Amendment 2 to IEC 60947-3 Ed.3: Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
2015-05-22yes
121A/45/INF

Future maintenance of the publication IEC 60947-4-1 for SC 121A: Contactors and motor-starters - Electromechanical contactors and motor-starters
2015-05-15
121A/41A/INF

Revised report of comments on 121A/28/DC: Future maintenance of the publication IEC 60715 of SC 121A: Dimensions of low-voltage switchgear and controlgear - Standardized mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations
2015-05-01
121A/43/INF

Result of voting on 17B/1818/DC: Future maintenance of the publication IEC 60715 (Dimensions of low-voltage switchgear and controlgear. Standardized mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations)
2015-05-01
121A/44/DC

Future maintenance of the publications IEC 60947-2 (circuit-breakers) and IEC 60947-3 (switches, disconnectors and similar equipment) of SC 121A
2015-05-012015-07-17Report of Comments
121A/42/FDIS

Amendment 2 to IEC 60947-3 Ed.3: Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
2015-03-062015-05-08yesVoting Result
TC 82
121A/36A/INF

Revised comments received on 121A/27/DC: Future maintenance of the publication IEC 60947-4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
2015-02-27
TC 31
121A/41/INF

Report of comments on 121A/28/DC: Future maintenance of the publication IEC 60715 of SC 121A: Dimensions of low-voltage switchgear and controlgear - Standardized mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations
2015-02-13
TC 9
TC 13
TC 18
TC 22
TC 23
TC 31
TC 32
TC 33
TC 34
TC 35
TC 37
TC 38
TC 44
TC 45
TC 47
TC 48
TC 61
TC 62
TC 64
TC 65
TC 66
TC 72
TC 79
TC 81
TC 82
TC 85
TC 91
TC 94
TC 95
TC 96
TC 97
TC 110
121A/40/RQ

Results on 121A/30/Q of SC 121A: Questionnaire concerning the appointment of the new convenor of the Working Group 10 of SC 121A: Constructional requirements and environmental aspects
2015-01-30
121A/34/CDV

Amendment 2 to IEC 60947-5-1 Ed.3: Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
2015-01-232015-04-24yesVoting Result
121A/32/CDV

Amendment 2 to IEC 60947-5-5 Ed.1: Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function
2015-01-162015-04-17yesVoting Result
TC 44
121A/39/RVC

Result of voting on 121A/5/CDV: IEC 62683 Ed.2: Low-voltage switchgear and controlgear - Product data and properties for information exchange
2015-01-16yes
121A/36/INF

Comments received on 121A/27/DC: Future maintenance of the publication IEC 60947-4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
2014-12-19
TC 31
121A/37/RM

Unconfirmed minutes of the plenary meeting held in Pretoria, South Africa, on 2014-10-02 (SABS office)
2014-12-19
121A/38/MTG

Reports and presentations made at SC 121A meeting held in Pretoria, South Africa, on 2014-10-02 (SABS office)
2014-12-19
121A/26/CDV

IEC 60947-2 Ed.5: Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
2014-12-052015-03-06yesVoting Result
121A/29A/INF

Revised comments received on 121A/22/DC: Future maintenance of the publication IEC 60947-4-1 of SC 121A: Contactors and motor-starters - Electromechanical contactors and motor-starters and other motor control related standards
2014-12-05
TC 2
TC 8
TC 22
TC 23
TC 32
TC 64
TC 65
TC 94
121A/35/RVC

Result of voting on 121A/7/CDV: Amendment 2 to IEC 60947-3 Ed.3: Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
2014-11-28yes
121A/30/Q

Questionnaire concerning the appointment of the new convenor of the Working Group 10 of SC 121A: Constructional requirements and environmental aspects
2014-11-212015-01-16Report of Comments
121A/33/CC

Compilation of comments on 121A/17/CD: IEC 60947-5-1 A2 Ed.3: Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
2014-11-14yes
121A/29/INF

Comments received on 121A/22/DC: Future maintenance of the publication IEC 60947-4-1 of SC 121A: Contactors and motor-starters - Electromechanical contactors and motor-starters and other motor control related standards
2014-11-07
TC 2
TC 8
TC 22
TC 23
TC 32
TC 64
TC 65
TC 94
121A/31/CC

Compilation of comments on 17B/1842/CD: IEC 60947-5-5 A2 Ed.1: Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function
2014-11-07yes
121A/28/DC

Future maintenance of the publication IEC 60715 of SC 121A: Dimensions of low-voltage switchgear and controlgear - Standardized mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations
2014-10-242015-01-30Report of Comments
TC 9
TC 13
TC 18
TC 22
TC 23
TC 31
TC 32
TC 33
TC 34
TC 35
TC 37
TC 38
TC 44
TC 45
TC 47
TC 48
TC 61
TC 62
TC 64
TC 65
TC 66
TC 72
TC 79
TC 81
TC 82
TC 85
TC 91
TC 94
TC 95
TC 96
TC 97
TC 110
121A/27/DC

Document for comments on future maintenance of the publication IEC 60947-4-1 of SC 121A: Contactors and motor-starters - Electromechanical contactors and motor-starters
2014-10-032014-12-12Report of Comments
TC 31
121A/25/CC

Compilation of comments on 121A/9/CD: IEC 60947-2 am3 Ed.4: Amendment 3 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
2014-09-26yes
121A/24/INF

Obituary notice
2014-09-12
121A/20A/DA

Revised draft agenda for the SC 121A meeting to be held in Pretoria, South Africa, on 2014-10-02 (starting time: 9:00) to (approximate finishing time: 17:00)
2014-08-29
121A/23/PW

Programme of work of the SC 121A as recorded by the IEC Central Office in its database
2014-08-29