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    • CAN/CSA-E61558-2-4-03 (R2017)

    Codes & Standards - Purchase

    CAN/CSA-E61558-2-4-03 (R2017)

    Safety of Power Transformers, Power Supply Units and Similar - Part 2: Particular Requirements for Isolating Transformers for General Use (Adopted CEI/IEC 61558-2-4:1997, first edition 1997-02) | Sécurité des transformateurs, blocs d'alimentation et analogues - Partie 2: Règles particulières pour les transformateurs de séparation des circuits pour usage général (norme CEI/IEC 61558-2-4:1997 adoptée, première édition, 1997-02)
    SKU: 2416033 Published by CSA Group Publication Year 2003 Reaffirmed in 2017 36 pages Withdrawn

    Product Details

    • Preface/Scope
    Scope

    Replacement: 

    This part 2 of IEC 61558 applies to stationary or portable, single-phase or polyphase, air-cooled isolating transformers, associated or otherwise, having a rated supply voltage not exceeding 1000 V a.c. and rated frequency not exceeding 500 Hz, the rated output not exceeding: - 25 kVA for single-phase transformers; - 40 kVA for polyphase transformers. 

    This Standard is also applicable to isolating transformers without limitation of the rated output, however such transformers are considered as special transformers and are subjected to an agreement between the purchaser and the supplier. 

    The no-load output voltage or the rated output voltage does not exceed 500 V a.c. or 708 V ripple-free d.c. 

    NOTES
    • The no-load output voltage or the rated output voltage may be up to 1000 V a.c. or 1 415 V ripple-free d.c. to be in accordance with the national wiring rules or for a special purpose. 
    • This Standard is applicable to those isolating transformers used when the installation rules call for the separation of circuits for the supply of certain parts of the circuits or of equipment (portable tools, lawn mowers, etc.). The no-load output voltage and/or the rated output voltage shall exceed 50 V a.c. and/or 120 V ripple-free d.c. This Standard is also applicable to transformers associated with specific items of equipment, to the extent decided upon by the relevant IEC technical committees. This Standard is applicable to dry type transformers. The windings may be encapsulated or non-encapsulated. 
    • For transformers filled with liquid dielectric or pulverized material, such as sand, additional requirements are under consideration. 
    • In locations where special environmental conditions prevail, particular requirements may be necessary in accordance with IEC 364-5-51. 

    ------------------------------------------------------------------------------------------------------------------------------ 

    Domaine d'application

    Remplacement: 

    La présente partie 2 de la CEI 61558 est applicable aux transformateurs de séparation des circuits, fixes ou mobiles, monophasés ou polyphasés, à refroidissement par air, associés ou non, ayant une tension primaire assignée ne dépassant pas 1000 V courant alternatif, une fréquence assignée ne dépassant pas 500 Hz, la puissance assignée ne dépassant pas: - 25 kVA pour les transformateurs monophasés; - 40 kVA pour les transformateurs polyphasés. 

    Cette norme est aussi applicable aux transformateurs de séparation des circuits sans limitation de la puissance; toutefois de tels transformateurs sont considérés comme des transformateurs spéciaux et sont soumis à un agrément entre l'acheteur et le fournisseur. 

    La tension secondaire à vide ou la tension secondaire assignée ne dépasse pas 500 V courant alternatif ou 708 V courant continu lissé. 

    NOTES
    • La tension secondaire à vide peut aller jusqu'à 1000 V en courant alternatif ou 1 415 V en courant continu lissé en accord avec les règles nationales d'installation ou pour des applications spéciales. 
    • Cette norme est applicable aux transformateurs de séparation des circuits utilisés lorsque les règles d'installation demandent la séparation de l'alimentation de certaines parties des circuits ou des équipements (outils portatifs, tondeuses à gazon, etc.). La tension secondaire à vide et/ou la tension secondaire assignée doit être supérieure à 50 V courant alternatif et/ou 120 V courant continu lissé. La présente norme est également applicable aux transformateurs associés avec des parties spécifiques d'équipements dans la mesure décidée par les comités techniques correspondants. Cette norme est applicable aux transformateurs secs. Les enroulements peuvent être enrobés ou non enrobés. 
    • Pour les transformateurs à remplissage par diélectrique liquide ou par des matières pulvérulentes telles que le sable, des prescriptions supplémentaires sont à l'étude. 
    • Pour l.emploi dans des emplacements présentant des conditions particulières d'environnement les règles spéciales peuvent être exigées, conformément à la CEI 364-5-51.
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