UNE-EN 60077-4:2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers
Hardcopy , PDF
23-01-2021
Spanish, Castilian, English
26-03-2004
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
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
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