SC 121A

Low-voltage switchgear and controlgear

 
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SC 121A Work programme (6)

Project

Reference

Document

Reference

Init.

Date

Current

Stage

Next

Stage

Working

Group

Project

Leader

Fcst. Publ.

Date

IEC 60947-2 ED6

Low-voltage switchgear and controlgear - Part 2: Circuit-breakers

121A/419/CD 2019-12 CD
  • CD
  • Draft circulated as CD

2021-04

PCC
  • PCC
  • Preparation of CC

2021-05

MT 9 Hervé ANGLADE 2022-11
IEC 60947-5-1 ED5

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

121A/330/CD 2019-10 ACD
  • ACD
  • Approved for CD

2020-02

2CD
  • 2CD

2021-05

WG 3 Silvio Förtsch 2022-07
IEC TS 60947-7-5 ED1

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

121A/418/DTS 2017-03 CDTS
  • CDTS
  • Draft circulated as DTS

2021-03

PRVDTS
  • PRVDTS
  • Preparation of RVDTS

2021-06

PT 60947-7-5 Axel Bauer 2022-02
IEC 60947-8 ED2

Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines

121A/370/CDV 2019-04 RFDIS
  • RFDIS
  • FDIS received and registered

2021-04

CFDIS
  • CFDIS
  • Draft circulated as FDIS

2021-07

WG 2 Karl Hiereth 2021-09
IEC 60947-9-2 ED1

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

121A/406/FDIS

2017-06 BPUB
  • BPUB
  • Being published

2021-03

PPUB
  • PPUB
  • Publication issued

2021-04

WG 19 François CAZALS 2021-04
IEC 60947-10 ED1

Low-voltage switchgear and controlgear – Part 10: Semiconductor Circuit-Breakers

121A/381/NP 2020-11 ACD
  • ACD
  • Approved for CD

2020-11

CD
  • CD
  • Draft circulated as CD

2021-10

PT 60947-10 Karl Hiereth 2024-01