Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
IEC 60947-5-1:2016 is available as < a href=" https:/ / webstore.iec.ch/ publication/ 24934" > IEC 60947-5-1:2016RLV which contains the International Standard and its Redlineversion, showing all changes of the technical content compared tothe 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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