RAILWAY APPLICATIONS - ELECTRIC EQUIPMENT FOR ROLLING STOCK - PART 4: ELECTROTECHNICAL COMPONENTS - RULES FOR AC CIRCUIT-BREAKERS
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
3.1 Components
3.2 Component parts
3.3 Operational features
3.4 Making and breaking characteristics - See Annex B
4 Classification
5 Characteristics
5.1 Summary of characteristics
5.2 Type of circuit-breaker
5.3 Rated values and limiting values for the main
circuit
5.4 Operational frequencies
5.5 Electric and pneumatic control circuits
5.6 Electric and pneumatic auxiliary circuits
5.7 Over-current release
5.8 Recovery voltages
6 Product information
6.1 Component documentation
6.2 Marking
7 Normal service conditions
8 Constructional and performance requirements
8.1 Constructional requirements
8.2 Performance requirements
9 Tests
9.1 Kind of tests
9.2 Tests for verification of constructional
requirements
9.3 Type tests for verification of performance
requirements
9.4 Routine tests for verification of performance
requirements
Annex A (informative) - Test circuit to verify the making
and breaking capacities
Annex B (informative) - Determination of short-circuit
making and breaking currents,
and of percentage DC component
Figures
Tables
Provides rules for AC circuit-breakers, the main contacts of which are to be connected to AC overhead contact lines; the nominal voltage of these circuits being in accordance with IEC 60850.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 9 |
