International Standards and Conformity Assessment for all electrical, electronic and related technologies

SC 37B

Components for low-voltage surge protection

 
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SC 37B Work programme (8)

Project

Reference

Document

Reference

Init.

Date

Current

Stage

Next

Stage

Working

Group

Project

Leader

Fcst. Publ.

Date

PWI 37B-07 ED1

IEC 61643-332/Ed1

PWI
  • PWI
  • Preliminary Work Item

2011-05

prePNW
  • prePNW
  • Preparation of NP document

WG 1 William Travis
PWI 37B-08 ED1

IEC 61643-342/Ed1

PWI
  • PWI
  • Preliminary Work Item

2011-05

prePNW
  • prePNW
  • Preparation of NP document

WG 2 Leonard Drewes
PNW 37B-172 ED1

IEC 61643-322/Ed1 - Selection and application principles for silicon PN-junction voltage limiters

37B/172/NP PRVN
  • PRVN
  • Preparation of RVN

2018-11

2018-12

WG 2 Michael J. Maytum 2020-02
IEC 61643-311 ED3

Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)

37B/173/RR 2018-08 ACD
  • ACD
  • Approved for CD

2018-08

CD
  • CD
  • Draft circulated as CD

2018-12

MT 1 Phil Havens 2020-05
IEC 61643-312 ED2

Components for low-voltage surge protective devices - Part 312: Selection and application principles for gas discharge tubes

37B/174/RR 2018-08 ACD
  • ACD
  • Approved for CD

2018-08

CD
  • CD
  • Draft circulated as CD

2018-08

MT 1 Phil Havens 2020-05
IEC 61643-321 ED2

Components for low-voltage surge protective devices - Part 321: Performance requirements and test circuits for silicon PN-junction voltage limiters

37B/180/CD 2018-08 CD
  • CD
  • Draft circulated as CD

2018-10

PCC
  • PCC
  • Preparation of CC document

2019-01

MT 2 Leonard Drewes 2020-11
IEC 61643-331 ED3

Components for low-voltage surge protective devices - Part 331: Performance requirements and test methods for metal oxide varistors (MOV)

37B/177/RR 2018-09 TCDV
  • TCDV
  • Translation of CDV

2018-10

CCDV
  • CCDV
  • Draft circulated as CDV

2018-12

MT 1 Phil Havens 2020-01
IEC 61643-341 ED2

Components for low-voltage surge protection -Part 341: Performance requirements and test circuits for thyristor surge suppressors (TSS)

37B/171/CDV 2015-12 CCDV
  • CCDV
  • Draft circulated as CDV

2018-10

PRVC
  • PRVC
  • Preparation of RVC

2019-01

MT 2 Leonard Drewes 2019-11