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LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-4: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - METHOD OF ASSESSING THE PERFORMANCE OF LOW-ENERGY CONTACTS - SPECIAL TESTS
International Electrotechnical Committee
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Availability date: 11/06/2021
FOREWORD <br>INTRODUCTION <br>1 Scope and object <br>2 Normative references<br>3 Definitions and list of symbols used <br> 3.1 Definitions <br> 3.2 List of symbols used<br>4 General principles<br>5 General test method <br>6 General characteristics <br> 6.1 Measurement methods<br> 6.2 Sequences of operations <br> 6.3 Electrical characteristics <br> 6.4 Characteristics of operation<br>7 Characterization of defects <br> 7.1 Basic method<br> 7.2 Monitoring the load (figure 3)<br>8 Ambient conditions <br> 8.1 Normal conditions<br> 8.2 Preconditioning<br> 8.3 Particular conditions <br>9 Methods of reporting<br> 9.1 Failure criterion<br> 9.2 Reporting the failure rate<br>10 Information to be provided in the test report<br>Annex A (normative) Information to be supplied by the <br> manufacturer <br>Bibliography <br>Figures<br>Tables
Applicable to separable contacts used in the utilisation area considered such as switching element for control circuits.
Published | |
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Pages | |
ISBN | |
Committee | TC 17 |