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 2015-04-30

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121A/54A/INF

Revised report of comments on 121A/44/DC: Future maintenance of the publications IEC 60947-2 (circuit-breakers) and IEC 60947-3 (switches, disconnectors, switch-disconnectors and fuse-combination units)
2016-04-22
TC 20
TC 23
121A/86/INF

Future maintenance of the publications IEC 60947-2 (circuit-breakers) and IEC 60947-3 (switches, disconnectors and similar equipment)
2016-04-22
TC 20
TC 23
121A/61A/INF

Revised comments received on 121A/55/DC: Maintenance of the publication IEC 60947-5-8 of SC 121A: Low-voltage switchgear and controlgear - Part 5-8: Three-position enabling switches
2016-04-08
TC 44
121A/77A/INF

Revised comments received on 121A/70/DC: Future maintenance of the publication IEC 60947-2 of SC 121A (Circuit-breakers)
2016-04-08
121A/85/CD

IEC/TR 63054 Ed.1: Low-voltage switchgear and controlgear - Fire risk analysis and risk reduction measures
2016-04-012016-06-24?
TC 22
TC 23
TC 82
TC 89
121A/84/INF

Comments received on 121A/67/DC: Maintenance of the publication IEC 60947-7-4: Low-voltage switchgear and controlgear - Part 7-4: Ancillary equipment - PCB terminal blocks for copper conductors
2016-03-25
121A/82/Q

Questionnaire to National Committees concerning the mandate of SC 121A representative to ACEA (Advisory Committee on Environmental Aspects)
2016-03-182016-04-29
121A/83/RVD

Report of voting on 121A/71/FDIS: IEC 60947-2 Ed.5: Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
2016-03-18yes
121A/80/Q

Questionnaire to National Committees concerning the mandate of SC 121A representative to ACEC (Advisory Committee on Electromagnetic Compatibility)
2016-03-112016-04-22Report of Comments
121A/81/CD

IEC 60947-4-1 Ed.4: Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
2016-03-112016-06-03yes
TC 2
TC 31
121A/77/INF

Comments received on 121A/70/DC: Future maintenance of the publication IEC 60947-2 of SC 121A (Circuit-breakers)
2016-03-04
121A/79/RR

Review report on IEC 60947-4-1 Ed.3: Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
2016-03-04yes
121A/68A/INF

Revised comments received on 121A/58/DC: Future maintenance of the publication IEC 60947-1 (Low-voltage switchgear and controlgear - General rules) of SC 121A
2016-02-26
TC 22
121A/69A/INF

Revised comments received on 121A/59/DC: Future maintenance of the publication IEC 60947-1 (Low-voltage switchgear and controlgear - General rules) of SC 121A
2016-02-26
121A/74/RR

Review report on IEC 62683 Ed.2: Low-voltage switchgear and controlgear - Product data and properties for information exchange
2016-02-26yes
121A/75/CD

IEC 62683 Ed.3: Low-voltage switchgear and controlgear - Product data and properties for information exchange
2016-02-262016-04-22yesReport of Comments
TC 3
TC 65
121A/76/RVD

Report of voting on 121A/62/FDIS: IEC 60947-5-1 Ed.4: Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
2016-02-26yes
121A/73/NP

PNW 121A-73: Low-voltage switchgear and controlgear - Arc quenching devices
2016-02-122016-05-06?
121A/72/RVD

Report of voting on 121A/60/FDIS: 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
2016-01-29yes
121A/71/FDIS

IEC 60947-2 Ed.5: Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
2016-01-222016-03-04yesVoting Result
TC 23
121A/68/INF

Comments received on 121A/58/DC: Future maintenance of the publication IEC 60947-1 (Low-voltage switchgear and controlgear - General rules) of SC 121A
2016-01-15
121A/69/INF

Comments received on 121A/59/DC: Future maintenance of the publication IEC 60947-1 (Low-voltage switchgear and controlgear - General rules) of SC 121A
2016-01-15
121A/70/DC

Future maintenance of the publication IEC 60947-2 of SC 121A (Circuit-breakers)
2016-01-152016-02-26Report of Comments
121A/65/RR

Review report on IEC 60947-4-2 Ed.3: Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor-starters - AC semiconductor motor controllers and starters
2015-12-18
121A/66/CD

IEC 60715 Ed.2: Dimensions of low-voltage switchgear and controlgear. Standardized mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations
2015-12-182016-04-22yesReport 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 88
TC 91
TC 94
TC 95
TC 97
TC 110
121A/67/DC

Maintenance of the publication IEC 60947-7-4: Low-voltage switchgear and controlgear - Part 7-4: Ancillary equipment - PCB terminal blocks for copper conductors
2015-12-182016-03-18Report of Comments
121A/62/FDIS

IEC 60947-5-1 Ed.4: Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
2015-12-112016-02-12yesVoting Result
121A/63/RR

Review report on IEC 60715 Ed.1: Dimensions of low-voltage switchgear and controlgear. Standardized mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations
2015-12-11yes
121A/64/Q

Questionnaire to National Committees concerning the future publication of IEC 60715 edition 2 as horizontal standard.
2015-12-112016-02-26Report of Comments
121A/61/INF

Comments received on 121A/55/DC: Maintenance of the publication IEC 60947-5-8 of SC 121A: Low-voltage switchgear and controlgear - Part 5-8: Three-position enabling switches
2015-11-27
TC 44
121A/60/FDIS

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
2015-11-202016-01-22yesVoting Result
TC 44
121A/58/DC

Future maintenance of the publication IEC 60947-1 (Low-voltage switchgear and controlgear - General rules) of SC 121A
2015-10-302016-01-08Report of Comments
TC 22
121A/59/DC

Future maintenance of the publication IEC 60947-1 (Low-voltage switchgear and controlgear - General rules) of SC 121A
2015-10-302016-01-08Report of Comments
TC 22
TC 108
121A/56A/INF

Revised results of comments on 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
2015-10-02
TC 65
121A/57/INF

Comments received on 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
2015-10-02
TC 82
121A/56/INF

Results of comments on 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
2015-09-18
TC 65
121A/55/DC

Maintenance of the publication IEC 60947-5-8 of SC 121A: Low-voltage switchgear and controlgear - Part 5-8: Three-position enabling switches
2015-09-112015-11-13Report of Comments
TC 44
121A/54/INF

Report of comments on 121A/44/DC: Future maintenance of the publications IEC 60947-2 (circuit-breakers) and IEC 60947-3 (switches, disconnectors, switch-disconnectors and fuse-combination units)
2015-08-21
121A/53/RVD

Report of voting on 121A/47/FDIS: IEC 62683 Ed.2: Low-voltage switchgear and controlgear - Product data and properties for information exchange
2015-08-14yes
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
2015-06-262015-09-25Report of Comments
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
2015-06-122015-09-11Report of Comments
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