Table of Contents

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Service conditions and requirements
5 Standard features and conventional assumptions
6 Temperature-rise limits
7 Tests
Annex A (normative) - Diagrams for tests
Annex B (normative) - Environmental conditions for
        indoor installations
Annex C (normative) - Search of critical currents for
        d.c. circuit-breakers and switches
Annex D (informative) - Recommended creepage
        distances
Annex E (informative) - Determination of maximum
        energy fault location
Bibliography

Abstract

Defines requirements for d.c. switchgear and controlgear and is intended to be used in fixed electrical installations with nominal voltage not exceeding 3000 V d.c., which supply electrical power to vehicles for public guided transport, i.e. railway vehicles, tramway vehicles, underground vehicles and trolley-buses.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 9