I.S. EN 60077-3:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 3: ELECTROTECHNICAL COMPONENTS - RULES FOR D.C. CIRCUIT-BREAKERS
Hardcopy , PDF
01-11-2020
English
01-01-2002
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
1 Scope and object
2 Normative references
3 Definitions
3.1 Components
3.2 Component parts
3.3 Operational features
3.4 Breaking characteristics
4 Classification
5 Characteristics
5.1 List of characteristics
5.2 Type of circuit-breaker
5.3 Rated values and limiting values for the main
circuit
5.3.1 General
5.3.2 Rated voltages
5.3.3 Rated currents
5.3.4 Rated time constants
5.3.5 Short-circuit characteristics (see also
annex B)
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 Peak arc 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
8.2.1 Operating conditions
8.2.2 Temperature rise
8.2.3 Operation following inactivity
8.2.4 Electromagnetic compatibility (EMC)
8.2.5 Acoustic noise emission
8.2.6 Dielectric properties
8.2.7 Switching overvoltages
8.2.8 Operational performance capability
8.2.9 Ability to withstand vibration and shock
8.2.10 Ability to make and break under short-circuit
conditions
9 Tests
9.1 Kinds of tests
9.1.1 General
9.1.2 Type tests
9.1.3 Routine tests
9.1.4 Investigatory tests
9.2 Verification of constructional requirements
9.2.1 General
9.2.2 Type tests
9.2.3 Routine tests
9.3 Type tests for verification of performance
requirements
9.3.1 Test sequences
9.3.2 General test conditions
9.3.3 Test sequence I: general performance
characteristics
9.3.4 Test sequence II: rated short-circuit making
and breaking capacities
9.3.5 Test sequence III: capability to withstand
vibration and shock
9.3.6 Test sequence IV: searching for critical
currents
9.3.7 Test sequence V: climatic conditions
9.3.8 Test sequence VI: other tests
9.4 Routine tests for verification of performance
requirements
9.4.1 General
9.4.2 Mechanical operation
9.4.3 Calibration of releases
9.4.4 Dielectric withstand
9.4.5 Air-tightness (for pneumatic circuit-breaker)
Annex A (normative) Test circuit to verify the making and
breaking capacities
Annex B (informative) Verification of short-circuit making
and breaking capacities
Figures
Tables
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