SN EN 61558-1 : 2005

INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General requirements
5 General notes on tests
6 Ratings
7 Classification
8 Marking and other information
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
13 Short-circuit voltage
14 Heating
15 Short circuit and overload protection
16 Mechanical strength
17 Protection against harmful ingress of dust, solid objects
   and moisture
18 Insulation resistance and dielectric strength
19 Construction
20 Components
21 Internal wiring
22 Supply connection and other external flexible cables
   or cords
23 Terminals 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
Figures 1 to 7
Annex A Measurement of creepage distances and clearances
Annex B Testing a series of transformers
Annex C Creepage distances and clearances - Material
         group II
Annex D Creepage distances and clearances - Material
         group I
Annex E Glow-wire test
Annex F Requirements for switches complying with IEC 61058
Annex G Tracking test
Annex H Electronic circuits
Annex J Measuring network for touch-currents
Annex K Insulated winding wires for use as multiple layer
         insulation
Annex L Routine tests (production tests)
Annex M Examples to be used as a guide for 19.1
Annex P Examples of points of measurement of creepage
         distances and clearances
Annex Q Explanation of IP numbers for degrees of
         protection
Annex R Explanations of the application of 4.1.1.2.1
         of IEC 60664-1
Annex S Bibliography
Annex T Index of definitions
Annex U List of parts 2 (forthcoming publications)
Annex V Symbols to be used for thermal cut-outs
Annex ZA Special national conditions
Annex ZB Normative references to international publications
         with their corresponding European publications

Deals with safety aspects of power transformers, power supplies reactors and similar products such as electrical, thermal and mechanical safety.