I.S. EN 61047:2004
Current
The latest, up-to-date edition.
DC OR AC SUPPLIED ELECTRONIC STEP-DOWN CONVERTORS FOR FILAMENT LAMPS - PERFORMANCE REQUIREMENTS
Hardcopy , PDF
English
01-01-2004
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.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General notes on tests
5 Classification
5.1 Classification according to the load
5.2 Classification according to output voltage
6 Marking
6.1 Mandatory marking
6.2 Optional marking
7 Output voltage and current
7.1 Open-circuit voltage
7.2 Voltage during operation
7.3 Voltage surges during switching and operation
7.4 Voltage waveform
7.5 Inrush current
8 Total circuit power
9 Circuit power factor
10 Supply current
11 Impedance at audio-frequencies
12 Operational tests for abnormal conditions
13 Endurance
Annex A (normative) Tests
Annex B (informative) A guide to quoting product life and
failure rate
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
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