IEC 60947-6-2:2020
Current
The latest, up-to-date edition.
Low-voltage switchgear and controlgear - Part 6-2: Multiple function equipment - Control and protective switching devices (or equipment) (CPS)
Hardcopy , PDF
English - French, Spanish, Castilian
15-12-2020
IEC 60947-6-2:2020 This document applies to control and protective switching devices (or equipment) (CPS), the main contacts of which are intended to be connected to circuits of rated voltage not exceeding 1 000 V AC or 1 500 V DC.
It covers control and protective switching device (CPS):
- which provides protective and control functions for circuits and motors;
- where its control function is operated exclusively otherwise than by hand;
- which provides continuity of service after over-current conditions; and
- which can have additional functions, such as isolation or communication.
This third edition cancels and replaces the second edition published in 2002 and its Amendment 1:2007. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
- editorial changes according to ISO/IEC directives Part 2,
- alignments with IEC 60947-1:2020:
- markings ("s", "sol", "r" or "f");
- constructional requirements including material requirements;
- requirements for screwless terminals;
- measurement method of the pole impedance;
- EMC requirement and testing;
- procedure to determine data for electromechanical CPS’s used in functional safety applications;
harmonisation with IEC 60947-2:2016:
- operation tests of under-voltage relays and shunt releases;
- CPS for IT systems (Annex G);
- coordination with other short-circuit protective devices;
alignments with IEC 60947-4-1:2018:
- test at the rated conditional short-circuit current Iq of protected switching devices;
- short-circuit tests harmonisation with North America;
- reliability data for functional safety applications (new Annex K);
- safety aspects related to electronic circuits and protective impedance (new Annex N);
- introduction of provisions covering the impact of higher locked rotor current to achieve high efficiency class;
- mention of dedicated wiring accessories;
- definitions and measurement method of the power consumption of the control circuit during holding and pick-up operations;
- load monitoring indicators (new Annex M).
The contents of the corrigenda of December 2021 and June 2023 have been included in this copy.
| Committee |
TC 121/SC 121A
|
| DocumentType |
Standard
|
| ISBN |
978-2-8322-9161-0
|
| Pages |
229
|
| ProductNote |
THIS STANDARD IS ALSO REFERS TO: IEC 60947-2:2016, CISPR 11:2015, CISPR 11:2015/AMD1:2016, IEC TS 63058, IEC TS 63201, IEC Guide 51:2014, C22.1, ISO/IEC 82079-1
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| IS/IEC 60947 : Part 6 : Sec 2 : 2020 | Identical |
| DS/EN IEC 60947-6-2:2023/AC:2023 | Identical |
| CEI EN IEC 60947-6-2:2023-05 | Identical |
| PN-EN IEC 60947-6-2:2023-10/AC:2024-01 | Identical |
| UNE-EN IEC 60947-6-2:2024 | Identical |
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