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    45 kVA Isolation Transformer, 3 phase, 415V to 208V

    $3,921.43
    $4,260.51
    Highly effective 45 KVA 3 phase isolation transformer that is 50Hz / 60Hz rated and superior quality, transform the voltage 415V to 208V, also 208V to 415V transformer is available, IP 24 protection grade of enclosure for protection.
    SKU: ATO-T-SG45KVA
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    Free shipping
    Delivery date: 10-15days

    ATOSG-45KVA three phase isolation transformer is powerful, reliable, step down/step up 415V to 208V, suitable for indoor applications.
    45 kVA Isolation Transformer Features

    • Dry air self cooling of cooling mode.
    • three phase unit with 45 kVA power rating.
    • Better dielectric strength and insulation resistance.
    • IP 24 protection grade of enclosure.

    45 kVA Isolation Transformer Specifications

    Basics Model ATOSG-45KVA
    Phase 3 phase
    Capacity 45 kVA
    Weight of Aluminium Wire Transformer Open type: 203kg
    Protected type: 232kg
    Weight of Copper Wire Transformer Open type: 200kg
    Protected type: 230kg
    Technical Parameters Primary Voltage 415V (Optional: 120V/ 190V/ 208V/ 220V/ 230V/ 240V/ 380V/ 400V/ 415V/ 480V)
    Secondary Voltage 208V (Optional: 120V/ 190V/ 208V/ 220V/ 230V/ 240V/ 380V/ 400V/ 415V/ 480V)
    Voltage Convert Three phase to three phase
    Frequency 50Hz / 60 Hz
    Winding Material Aluminium/Copper wire (Optional)
    Work Efficiency ≥95%
    Insulation Resistance ≥50 MΩ
    Electrical Strength 3000V AC/1 min
    Noise <35-65dB (1 meter)
    Insulation Grade H level
    Wiring Mode Dyn11
    Cooling Mode Dry type air cooling
    Overload Capacity Allow more than 1.2 times rated load to work for up to 4 hours
    Enclosure Protection Grade IP 24
    Certificate CE, ISO
    Warranty 12 months
    Working Environment Temperature -15℃~+40℃
    Humidity ≤90%RH, without condensation
    Altitude <1000m, non corrosive gas and conductive dust

    Note:
    Transformer can only convert voltage and CANNOT convert frequency.
    Transformer CANNOT convert single phase voltage to 3 phase voltage.
    Input/output voltage, power rating and whether with shell of all transformers, can be customized according to clients' requirements.

    3 Phase Isolation Transformer Schematic Diagram

    ATO isolation transformers schematic diagram

    45 kVA Isolation Transformer Installation Dimension

    ATO isolation transformer installation dimension

    Aluminium Wire Transformer Size Copper Wire Transformer Size
    Open type: a*b*c=500*330*480mm Open type: a*b*c=440*350*420mm
    Protected type: A*B*C=660*455*710mm Protected type: A*B*C=610*420*610mm
    Installation Dimenion: D*E=340*190mm Installation Dimenion: D*E=300*205mm

    Tips: Dry type step up & step down isolation transformer cooling method
    Dry type step up & step down isolation transformers mainly include natural air type and forced air type. Natural air cooling is mainly for transformers which are continuous operating within the rated capacity. Forced air cooling method can make the output capacity of the transformer increase by 50%. This method is mainly applied to discontinuous load operation or load operation due to accidents. However, both the impedance voltage or load loss will not increase naturally during the loading operation and they are not conducive to economic operation, so it is not appropriate to make the transformer run under suchload for a long time.

    Need more detail of ATO isolation transformer? Here is a good explanation about it in this video. To test the accuracy of the transformer voltage, we take a 3000 VA single phase 220V iuput to 110V output isolation transformer as an example.

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