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Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
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Available format(s): Hardcopy, PDF
Language(s): English - French
Published date: 03-06-2020
Publisher: National Standards Authority of Ireland
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.Only cited Standards give presumption of conformance to New Approach Directives/Regulations.Dates of withdrawal of national standards are available from NSAI.
FOREWORD1 General 2 Terms and definitions 3 Classification 4 Characteristics 5 Product information 6 Normal service, mounting and transport conditions 7 Constructional and performance requirements 8 TestsAnnex A (normative) Electrical ratings based on utilization categories (see 3.1) Annex B (normative) Example of inductive test loads for dAnnex C (normative) Special tests – Durability tests Annex D Vacant Annex E (normative) Items subject to agreement between manufacturer and user Annex F (normative) Class II control circuit devices insulated by encapsulation Requirements and tests Annex G (normative) Additional requirements for control circuit devices with integrally connected cables Annex H (normative) Additional requirements for semiconductor switching elements for control circuit devices Annex J (normative) Special requirements for indicator lights and indicating towers Annex K (normative) Special requirements for control switches with direct opening action Annex L (normative) Special requirements for mechanically linked contact elements Annex M (normative) Terminal marking, distinctive number and distinctive letter for control circuit devices Annex N (normative) Procedure to determine reliability data for electromechanical devices in control circuits used in functional safety applications Bibliography
This part of IEC 60947 applies to control circuit devices and switching elements intended for controlling, signalling, interlocking, etc., of switchgear and controlgear.
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