BS EN 61558-2-7:1998:2004 Edition
$102.76
Safety of power transformers, power supply units and similar – Particular requirements for transformers for toys
| Published By | Publication Date | Number of Pages |
| BSI | 2004 | 16 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | National foreword |
| 4 | Foreword Foreword to amendment A11 |
| 5 | 1 Scope 2 Normative references 3 Definitions 4 General requirements 5 General notes on tests 6 Ratings |
| 6 | 7 Classification 8 Marking and other information |
| 7 | 9 Protection against accessibility to hazardous live parts 10 Change of input voltage setting 11 Output voltage and output current under load 12 No-load output voltage |
| 8 | 13 Short-circuit voltage 14 Heating 15 Short-circuit and overload protection |
| 9 | 16 Mechanical strength 17 Protection against harmful ingress of dust, solid objects and moisture 18 Insulation resistance and electric strength 19 Construction |
| 10 | 20 Components |
| 11 | 21 Internal wiring 22 Supply connection and other external flexible cable or cords |
| 12 | 23 erminals for external conductors 24 Provision for protective earthing 25 Screws and connections 26 Creepage distances, clearances, and distances through insulation 27 Resistance to heat, abnormal heat, fire and tracking 28 Resistance to rusting |
| 13 | Figure 101 Small test finger Figure 102 Arrangement for impact test for transformers for toys ( |
| 14 | Annex C Material group�II Annex D Material group�I |
