EN 60947-5-1:2017

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

Publication date:   Apr 16, 2018

Scope

IEC 60947-5-1:2016 is available as <a
href="https://webstore.iec.ch/publication/24934">IEC 60947-5-1:2016
RLV which contains the International Standard and its Redline
version, showing all changes of the technical content compared to
the previous edition.


IEC 60947-5-1:2016 applies to control circuit devices and switching elements intended for controlling, signalling, interlocking, etc., of switchgear and controlgear. It applies to control circuit devices having a rated voltage not exceeding 1 000 V a.c. (at a frequency not exceeding 1 000 Hz) or 600 V d.c. This fourth edition cancels and replaces the third edition published in 2003 and its Amendment 1:2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:

a) update of normative references;

b) update and restructuration of subclauses in 7.1;

c) addition of material requirements and test;

d) udpate of EMC requirements;

e) clarification of requirements and update of 8.2;

f) addition of requirements for screwless-type clamping units;

g) udpate of existing Tables 4 and 5;

h) addition of new Tables 6, 7, 8 and 9;

i) addition of a new Figure 10 ;

j) addition of a new Annex N.


This publication is to be read in conjunction with <a href='https://webstore.iec.ch/publication/3966'>IEC 60947-1:2007.

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