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Committee

Committee:

CTN 201/SC 37AB - Surge arresters. Insulation coordination for low-voltage equipment

Secretary:
AFME - ASOCIACIÓN DE FABRICANTES DE MATERIAL ELÉCTRICO
International Relations:

IEC/TC 37/SC 37A  Low-voltage surge protective devices

IEC/TC 37/SC 37B  Components for low-voltage surge protection

CLC/SR 37B  Components for low-voltage surge protection

CLC/TC 37A  Low voltage surge protective devices

Standards developed by the committee: CTN 201/SC 37AB: 25

UNE-EN IEC 61643-332:2025

Status: VIGENTE2025-04-02

Components for low-voltage surge protection - Part 332: Selection and application principles for metal oxide varistors (MOV)

UNE-EN 61643-11:2013

Status: VIGENTE2023-01-01

Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods

UNE-CLC/TS 61643-12:2012

Status: VIGENTE2023-01-01

Low-voltage surge protective devices -- Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles

UNE-EN 61643-31:2021/AC:2022-07

Status: VIGENTE2022-10-19

Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations

UNE-EN IEC 61643-341:2021

Status: VIGENTE2021-04-14

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

UNE-EN 61643-31:2021

Status: VIGENTE2021-03-31

Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations

UNE-CLC/TS 51643-32:2020 (Ratificada)

Status: VIGENTE2020-10-01

Low-voltage surge protective devices - Part 32: Surge protective devices connected to the DC side of photovoltaic installations - Selection and application principles (Endorsed by Asociación Española de Normalización in October of 2020.)

UNE-EN IEC 61643-331:2020 (Ratificada)

Status: VIGENTE2020-06-01

Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (Endorsed by Asociación Española de Normalización in June of 2020.)

UNE-EN 61643-11:2013/A11:2018

Status: VIGENTE2018-06-06

Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods

UNE-EN IEC 61643-352:2018 (Ratificada)

Status: VIGENTE2018-05-01

Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) (Endorsed by Asociación Española de Normalización in May of 2018.)

UNE-EN 61643-351:2017 (Ratificada)

Status: VIGENTE2017-03-01

Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT) (Endorsed by Asociación Española de Normalización in March of 2017.)

UNE-EN 61643-312:2014

Status: VIGENTE2014-04-09

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

UNE-EN 61643-311:2014

Status: VIGENTE2014-04-02

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

UNE-EN 61643-21:2002/A2:2013

Status: VIGENTE2013-05-22

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

UNE-EN 61643-21:2002/A1:2009

Status: VIGENTE2009-11-18

Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

UNE-EN 61643-321:2003

Status: VIGENTE2003-02-28

Components for low-voltage surge protective devices -- Part 321: Specifications for Avalanche Breakdown Diode (ABD).

UNE-EN 61643-21:2002

Status: VIGENTE2002-10-28

Low voltage surge protective devices -- Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods.

UNE-EN 61643-341:2003

Status: ANULADA2023-06-18

Components for low-voltage surge protective devices - Part 341: Specification for thyristor surge suppressors (TSS)

UNE-EN IEC 61643-331:2018 (Ratificada)

Status: ANULADA2023-04-24

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

UNE-EN 50539-11:2013

Status: ANULADA2022-05-04

Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 11: Requirements and tests for SPDs in photovoltaic applications