SSH IEC 60947-5-1:2016

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

Scope

IEC 60947-5-1:2016 is available as <a href="https://webstore.iec.ch/publication/24934">IEC 60947-5-1:2016 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.<br /><br /> 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:<br /> a) update of normative references;<br /> b) update and restructuration of subclauses in 7.1;<br /> c) addition of material requirements and test;<br /> d) udpate of EMC requirements;<br /> e) clarification of requirements and update of 8.2;<br /> f) addition of requirements for screwless-type clamping units;<br /> g) udpate of existing Tables 4 and 5;<br /> h) addition of new Tables 6, 7, 8 and 9;<br /> i) addition of a new Figure 10 ;<br /> j) addition of a new Annex N. <br /><br />This publication is to be read in conjunction with <a href=''https://webstore.iec.ch/publication/3966''>IEC 60947-1:2007</a>. The contents of the corrigendum of July 2016 have been included in this copy.