M00009930
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SAFETY OF POWER TRANSFORMERS, POWER SUPPLY UNITS AND SIMILAR - PART 2: PARTICULAR REQUIREMENTS FOR SEPARATING TRANSFORMERS FOR GENERAL USE
Canadian Standards Association
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Availability date: 10/28/2021
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 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 objects <br> 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 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 insulation<br>27 Resistance to heat, abnormal heat, fire and tracking<br>28 Resistance to rusting
Applies to stationary or portable, single-phase or polyphase, aircooled separating transformers, associated or not, having a rated supply voltage not exceeding 1000 V a.c., a rated frequency not exceeding 500 Hz, and a rated output not exceeding: - 1 kVA for single-phase transformers; - 5 kVA for polyphase transformers. Also applies to separating transformers having a rating up to 40 kVA, however such transformers are considered as special transformers and are subjected to an agreement between the purchaser and the supplier.
Published | |
Document Type | Standard |
Status | Current |
Publisher | Canadian Standards Association |
ProductNote | Reconfirmed EN |
Pages | |
ISBN |