IEC 60255-27 : 2.0

Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 General safety requirements<br>5 Protection against electric shock<br>6 Mechanical aspects<br>7 Flammability and resistance to fire<br>8 General and fundamental design <br>&nbsp;&nbsp;&nbsp;requirements for safety<br>9 Marking, documentation and packaging<br>10 Type tests and routine tests<br>Annex A (normative) - Isolation class requirements <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and example diagrams<br>Annex B (normative) - Rated impulse voltages<br>Annex C (normative) - Guidance for the determination <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of clearance, creepage distance and <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;withstand voltages<br>Annex D (informative) - Components<br>Annex E (normative) - External wiring terminations<br>Annex F (informative) - Examples of battery protection<br>Bibliography

Abstract

Defines the product safety requirements for measuring relays and protection equipment having a rated a.c. voltage up to 1000 V with a rated frequency up to 65 Hz, or a rated d.c. voltage up to 1500 V.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 95