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 2013-04-19

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121A/14/RVD

Report of voting on 121A/2/FDIS: IEC 60947-4-3 Ed.2: Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads
2014-04-11yes
121A/13/RVC

Revised of 17B/1823/RVC: Result of voting on 17B/1806/CDV: IEC 60947-1 am2 Ed.5: Amendment 2 - Low-voltage switchgear and controlgear - Part 1: General rules
2014-03-28yes
121A/10/INF

Revised of 17B/1789/INF: Result of 17B/1772/DC: Maintenance of IEC 60947-5-1 (Control circuit devices and switching elements - Electromechanical control circuit devices)
2014-03-14
121A/11/DC

Future maintenance of the publication IEC 60947-2 (Circuit-breakers) of SC 121A
2014-03-142014-06-06
121A/12/INF

Revised of 17B/1817/INF: Result of 17B/1809/DC: Maintenance of the publication IEC 60947-5-5: Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function
2014-03-14
121A/8/CC

Compilation of comments on 17B/1808A/CD: IEC 60947-2 am3 Ed.4: Revised on IEC 60947-2 Ed.4: Amendment 3 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
2014-02-28yes
121A/9/CD

IEC 60947-2 am3 Ed.4: Amendment 3 - Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
2014-02-282014-05-30yes
TC 23
TC 82
121A/6/CC

Compilation of comments on 17B/1834/CD: IEC 60947-3 am2 Ed.3: Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
2014-02-21yes
121A/4/CC

Compilation of comments on 17B/1838/CD: IEC 62683 Ed.2: Low-voltage switchgear and controlgear - Product data and properties for information exchange
2014-02-14yes
121A/2/FDIS

IEC 60947-4-3 Ed.2: Low-voltage switchgear and controlgear - Part 4-3: Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads
2014-01-242014-03-28yesVoting Result
121A/3/RVD

Report of voting on 17B/1839A/FDIS: IEC 62626-1 Ed.1: Low-voltage switchgear and controlgear enclosed equipment - Part 1: Enclosed switch-disconnectors outside the scope of IEC 60947-3 to provide isolation during repair and maintenance work
2014-01-24yes
121A/1/AC

Establishment and secretariat of IEC SC 121A
2014-01-17