Table of Contents

FOREWORD<br>1 General<br>2 Terms and definitions<br>3 Classification<br>4 Characteristics<br>5 Product information<br>6 Normal service, mounting and transport<br>&nbsp;&nbsp;conditions<br>7 Constructional and performance requirements<br>8 Tests<br>Annex A (normative) - Electrical ratings based<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;on utilization categories<br>Annex B (normative) - Example of inductive<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;test loads for d.c. contacts<br>Annex C (normative) - Special tests - Durability<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;tests<br>Annex D Vacant<br>Annex E (normative) - Items subject to agreement<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;between manufacturer and user<br>Annex F (normative) - Class II control circuit<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;devices insulated by encapsulation<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Requirements and tests<br>Annex G (normative) - Additional requirements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for control circuit devices with integrally<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;connected cables<br>Annex H (normative) - Additional requirements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for semiconductor switching elements for<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;control circuit devices<br>Annex J (normative) - Special requirements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for indicator lights and indicating towers<br>Annex K (normative) - Special requirements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for control switches with direct opening<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;action<br>Annex L (normative) - Special requirements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for mechanically linked contact elements<br>Annex M (normative) - Terminal marking,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;distinctive number and distinctive letter<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for control circuit devices<br>Annex N (normative) - Procedure to determine<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;reliability data for electromechanical<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;devices in control circuits used in<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;functional safety applications<br>Bibliography

Abstract

Pertains to control circuit devices and switching elements intended for controlling, signalling, interlocking, etc., of switchgear and controlgear.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 121
Supersedes	IEC 60337-1 : AMD 1 83 IEC 60337-2C : 1977 94/206093 DC : MAY 94 IEC 60337-2A : 1973 IEC 60337-2 : AMD 1 75