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 Subcommittee(s) and/or Working Group(s)

Label
Title
Working Groups
WG 1Insulation coordination
WG 2Contactors, starters and similar equipment
WG 3Control switches
WG 10Constructional requirements and environmental aspects
WG 17Product data and properties for information exchange
WG 19Internal arc-fault detection and combined mitigation devices
Project Teams
PT 60947-7-5Low-voltage switchgear and controlgear - Part 7-5: Ancillary equipment - Terminal blocks for aluminium conductors
Maintenance Teams
MT 5General rules
MT 6Switches, disconnectors and similar equipment
MT 7EMC, wireless communication and built-in electronics
MT 8Terminal blocks and clamping units
MT 9Circuit-breakers
MT 18Transfer switching equipment (TSE)
MT 20Controllers for drivers of stationary fire pumps
Joint Working Groups
JWG 22Atmospheric and altitude correction Managed by TC 42
Advisory Groups
AG 4Advisory Group of SC 121A
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SC 121A Membership

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P/O Status
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IEC Membership
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AR
O-Member
Full Member
AU
P-Member
Full Member
AT
P-Member
Full Member
BY
O-Member
Full Member
BE
P-Member
Full Member
BR
P-Member
Full Member
BG
O-Member
Full Member
CA
P-Member
Full Member
CN
P-Member
Full Member
HR
O-Member
Full Member
CZ
P-Member
Full Member
DK
P-Member
Full Member
EG
P-Member
Full Member
FI
P-Member
Full Member
FR
P-Member
Full Member
DE
P-Member
Full Member
GR
O-Member
Full Member
HU
O-Member
Full Member
IN
P-Member
Full Member
ID
P-Member
Full Member
IR
O-Member
Full Member
IE
P-Member
Full Member
IL
P-Member
Full Member
IT
P-Member
Full Member
JP
P-Member
Full Member
KR
P-Member
Full Member
MY
O-Member
Full Member
MX
O-Member
Full Member
NL
P-Member
Full Member
NZ
O-Member
Full Member
NO
O-Member
Full Member
OM
O-Member
Full Member
PH
O-Member
Full Member
PL
P-Member
Full Member
PT
P-Member
Full Member
RO
O-Member
Full Member
RU
P-Member
Full Member
SA
O-Member
Full Member
RS
P-Member
Full Member
SG
O-Member
Full Member
SK
O-Member
Full Member
SI
P-Member
Full Member
ZA
P-Member
Full Member
ES
P-Member
Full Member
SE
P-Member
Full Member
CH
P-Member
Full Member
TH
O-Member
Full Member
TR
O-Member
Full Member
UA
O-Member
Full Member
GB
P-Member
Full Member
US
P-Member
Full Member

Facts and figures

Secretariat
France
Participating countries
31
Observer Countries
20
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SC 121A Officers

Chair
Mr Karl Hiereth (DE)
Term of office : 2020-08

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Secretary
Mr Eric Bettega (FR)

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Assistant Secretary
Mr Michaël LAHEURTE (FR)

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IEC Central Office Contacts

Technical Officer
Mr Damien Lee

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Standards Project Administrator
Ms Amelyn Ching

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Editor
Ms Mélanie Ardiri

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SC 121A Liaisons

Committee
Description
Incoming liaison representative
Outgoing liaison representative
Internal IEC Liaison
TC 2Rotating machinery Mr Karl Hiereth
TC 3Documentation, graphical symbols and representations of technical information Mr Philippe JUHEL
SC 3CGraphical symbols for use on equipmentMr Yoshikazu Seki
Mr Eric Bettega
SC 3DClasses, Properties and Identification of products - Common Data Dictionary (CDD)Mr Hiroshi Murayama
Mr Reinhard Nerke
Mr Philippe JUHEL
TC 18Electrical installations of ships and of mobile and fixed offshore units Mr Ralf Hartkamp
SC 22GAdjustable speed electric power drive systems (PDS)
 
Mr Martial Patra
Mr Philippe JUHEL
SC 22HUninterruptible power systems (UPS) Mr Heribert Schorn
TC 31Equipment for explosive atmospheresMr Otto Walch
Mr Werner Böser
SC 32BLow-voltage fusesMr Michael Altenhuber
SC 32CMiniature fusesMr Dieter Seidl
SC 34CAuxiliaries for lamps Mr Werner Böser
TC 44Safety of machinery - Electrotechnical aspects Mr Philippe JUHEL
TC 64Electrical installations and protection against electric shock Mr Andreas Baeumler
Mr Stefano Tomasina
TC 65Industrial-process measurement, control and automationMr Joseph BRIANT
Mr Andreas Baeumler
SC 65CIndustrial networks
SC 65EDevices and integration in enterprise systems Mr Andreas Baeumler
TC 77Electromagnetic compatibilityMr Bernd Jäkel
Mr Andreas Baeumler
SC 77AEMC - Low frequency phenomena Mr Andreas Baeumler
TC 82Solar photovoltaic energy systemsMr Greg Ball
Mr Thomas W. Mennell
TC 85Measuring equipment for electrical and electromagnetic quantitiesMr Laurent Oberle
Mr Philippe JUHEL
TC 89Fire hazard testingMr Jean-Marie Maldjian
Mr Jean-Marie Maldjian
TC 94All-or-nothing electrical relaysMr John Kovacik
Mr Karl Hiereth
TC 109Insulation co-ordination for low-voltage equipment Mr Heribert Schorn
TC 112Evaluation and qualification of electrical insulating materials and systems Mr Heribert Schorn
SC 121BLow-voltage switchgear and controlgear assemblies Mr Thomas W. Mennell
CIS/BInterference relating to industrial, scientific and medical radio-frequency apparatus, to other (heavy) industrial equipment, to overhead power lines, to high voltage equipment and to electric traction Mr Andreas Baeumler
ISO/IEC JTC 1/SC 27Information security, cybersecurity and privacy protection Mr Philippe JUHEL
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SC 121A Working Groups Liaisons

Working Groups
Description
Organization
Incoming liaison representative
Outgoing liaison representative
Liaison C
WG 17
Product data and properties for information exchange
eClass e.V
Mr Philippe JUHEL