NBN EN 60947-8 : 2004 AMD 2 2013

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Characteristics
  5.1 General
  5.2 Type of equipment
  5.3 Rated electrical values of protection systems
  5.4 Rated electrical values of characteristic variation
      thermal detectors
  5.5 Rated voltage of the detector circuit of the control
      unit
6 Product information
  6.1 Nature of information
  6.2 Marking
  6.3 Instructions for installation, operation and maintenance
7 Normal service, mounting and transport conditions
8 Constructional and performance requirements
  8.1 Constructional requirements
  8.2 Performance requirements
  8.3 Electromagnetic compatibility (EMC)
      8.3.1 General
      8.3.2 Immunity
      8.3.3 Emission
9 Tests
  9.1 Kind of tests
  9.2 Compliance with constructional requirements
  9.3 Compliance with performance requirements
  9.4 EMC tests
  9.5 Routine and sampling tests
Annex A (normative) Thermal detectors used in thermal protection
        systems
Annex B (normative) Special tests
Annex C (informative) Verification requirements in circumstances
        requiring short-circuit detection in the sensor circuit
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Describes the rules for control units, which perform the switching functions in response to the thermal detectors incorporated in rotating electrical machines according to IEC 60034-11, and the industrial application.