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    45 kVA Isolation Transformer, 3 phase, 480/240V to 208/120V

    $4,368.64
    Highly effective 45 KVA 3 phase isolation transformer that is 50Hz / 60Hz rated and superior quality, transform the voltage 480V (240V) to 208/ 120V, also 208/ 120V to 240V (480V), NEMA 3R enclosure for protection.
    SKU: ATOSG-45KVA
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    Free shipping
    Delivery date: 6-12 days

    ATOSG-45KVA three phase isolation transformer is powerful, reliable, step down/ step up 480V (240V) to 208/ 120V, suitable for both indoor and outdoor 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.
    • NEMA 3R enclosure (for indoor or outdoor use).

    Specifications

    Basics Model ATOSG-45KVA
    Phase 3 phase
    Capacity 45 kVA
    Size 610*300*650 mm (without shell); 900*500*950 mm (with shell)
    Weight 280 Kg (without shell); 340 Kg (with shell)
    Technical Parameters Primary Voltage 480V/ 204V (optional: 110V/ 120V/ 208V/ 220V/ 230V/ 380V/ 400V/ 415V)
    Secondary Voltage 208V/ 120V (optional: 110V/ 220V/ 230V/ 240V/ 380V/ 400V/ 415V/ 480V)
    Voltage Convert Single phase to single phase, three phase to three phase, three phase to single phase
    Frequency 50Hz / 60 Hz
    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
    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 Wiring Method
    isolation transformer wiring method
    Isolation Transformer Application Areas
    isolation transformer application areaTips: Dry type transformer cooling method
    Dry type 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.

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