SN EN 61047 : 1992 AMD 2 2001

Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 General notes on tests<br>5 Classification<br>&nbsp;&nbsp;&nbsp;5.1 Classification according to the load<br>&nbsp;&nbsp;&nbsp;5.2 Classification according to output voltage<br>6 Marking<br>&nbsp;&nbsp;&nbsp;6.1 Mandatory marking<br>&nbsp;&nbsp;&nbsp;6.2 Optional marking<br>7 Output voltage and current<br>&nbsp;&nbsp;&nbsp;7.1 Open-circuit voltage<br>&nbsp;&nbsp;&nbsp;7.2 Voltage during operation<br>&nbsp;&nbsp;&nbsp;7.3 Voltage surges during switching and operation<br>&nbsp;&nbsp;&nbsp;7.4 Voltage waveform<br>&nbsp;&nbsp;&nbsp;7.5 Inrush current<br>8 Total circuit power<br>9 Circuit power factor<br>10 Supply current<br>11 Impedance at audio-frequencies<br>12 Operational tests for abnormal conditions<br>13 Endurance<br>Annex A (normative) Tests<br>Annex B (informative) A guide to quoting product life and<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;failure rate<br>Annex ZA (normative) Normative references to international<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;publications with their corresponding European<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;publications<br>Bibliography