Table of Contents

FOREWORD<br>1 Scope<br>2 Normative references<br>3 Definitions<br>4 General requirements<br>5 General notes on tests<br>6 Ratings<br>7 Classification<br>8 Marking and other information<br>9 Protection against accessibility to hazardous live <br>&nbsp;&nbsp;&nbsp;parts<br>10 Change of input voltage setting<br>11 Output voltage and output current under load<br>12 No-load output voltage<br>13 Short-circuit voltage<br>14 Heating<br>15 Short circuit and overload protection<br>16 Mechanical strength<br>17 Protection against harmful ingress of dust, solid <br>&nbsp;&nbsp;&nbsp;objects and moisture<br>18 Insulation resistance and dielectric strength<br>19 Construction<br>20 Components<br>21 Internal wiring<br>22 Supply connection and other external flexible cable<br>&nbsp;&nbsp;&nbsp;or cords<br>23 Terminals for external conductors<br>24 Provision for protective earthing<br>25 Screws and connections<br>26 Creepage distances, clearances and distances through<br>&nbsp;&nbsp;&nbsp;insulation<br>27 Resistance to heat, abnormal heat, fire and tracking<br>28 Resistance to rusting<br>Annexes<br>Annex C - Material group II<br>Annex D - Materail group I

Abstract

Covers stationary or portable, single-phase or poly-phases, air-cooled control transformers associated or otherwise having a rated supply voltage not exceeding 1000 V a.c. or 1415 V ripple free d.c. and rated frequency not exceeding 500 Hz and no limitation of the rated output.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Canadian Standards Association
ProductNote	Reconfirmed EN
Pages
ISBN