NBN EN 60947-8 : 2004 AMD 2 2013
Current
The latest, up-to-date edition.
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 8: CONTROL UNITS FOR BUILT-IN THERMAL PROTECTION (PTC) FOR ROTATING ELECTRICAL MACHINES
12-01-2013
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
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