NBN EN 50206-2 : 2010

      Foreword
      Introduction
1 Scope
2 Normative references
3 Definitions
      3.1 General
      3.2 Design
      3.3 General characteristics
4 Technical requirements
      4.1 Gauge
      4.2 Extension of the pantographs
      4.3 Electric values
      4.4 Static force tolerances
      4.5 Transverse rigidity
      4.6 Collector head
      4.7 Operating system
      4.8 Automatic dropping device (ADD)
      4.9 Pantograph mass and force on the roof
      4.10 Protection against corrosion
5 Marking
6 Tests
      6.1 Categories of tests
      6.2 General tests
      6.3 Operating tests
      6.4 Endurance tests
      6.5 Resistance to shocks (supplementary
             type test)
      6.6 Transverse rigidity test (type test)
      6.7 Air tightness tests
      6.8 Measurement of degrees of freedom
             of collector head (routine test)
      6.9 Current collection tests (combined test)
      6.10 Heating tests
7 Inspection plan
8 Reliability
      8.1 Specification
      8.2 In-service reliability demonstration
9 Maintenance
      9.1 Structure
      9.2 Collector head structure
      9.3 Maintainability
10 Electromagnetic compatibility
Annex A (normative) Pantography terminology
Annex B (normative) Static force tolerances
Annex C (normative) List of tests
Annex D (informative) Items to be specified in customer
                      specifications