IEC 60269-1 : 4.2

Table of Contents

FOREWORD<br>INTRODUCTION<br>1 General<br>2 Terms and definitions<br>3 Conditions for operation in service<br>4 Classification<br>5 Characteristics of fuses<br>6 Markings<br>7 Standard conditions for construction<br>8 Tests<br>Annex A (informative) - Measurement of short-circuit <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;power factor<br>Annex B (informative) - Calculation of pre-arcing I[2]t <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;values for 'gG', 'gM', 'gD' and 'gN' fuse-links <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and calculation of operating I[2]t values at <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;reduced voltage<br>Annex C (informative) - Calculation of cut-off current-time <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;characteristic<br>Annex D (informative) - Effect of change of ambient <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;temperature and surroundings on the <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;performance of fuse-links<br>Annex E (normative) - Particular requirements for <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fuse-bases with screwless-type terminals for <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;external copper conductors<br>Bibliography

Abstract

Pertains to fuses incorporating enclosed current-limiting fuse-links with rated breaking capacities of not less than 6 kA, intended for protecting power-frequency a.c. circuits of nominal voltages not exceeding 1000 V or d.c. circuits of nominal voltages not exceeding 1500 V.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 32
Supersedes	IEC 60066 : LATEST IEC 60088 : LATEST