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    8 kVA Isolation Transformer, 480V 3 phase to 240V 3 phase

    480 Volt 3 phase to 240 Volt 3 phase isolation transformer, 8 kVA power rating, primary and secondary windings are separated by aluminium/copper shield, 230 Volt, 400 Volt or othe voltages can be chosen, long life span and high efficiency.
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    Delivery date: 10-15days

    Three phase 8kVA isolation transformer is designed to step down/up the voltage 480V to 240V, and widely used in various power supply sites with frequency 50Hz/60Hz.
    8 kVA Isolation Transformer Specifications

    Basics Model ATOSG-8KVA
    Phase 3 phase
    Capacity 8 kVA
    Size 450*278*350 mm (without shell); 500*380*470 mm (with shell)
    Weight 55 kg (without shell); 80 kg (with shell)
    Technical Parameters Primary Voltage 480V (optional: 110V/ 120V/ 208V/ 220V/ 230V/ 240V/ 400V/ 415V)
    Secondary Voltage 240V (optional: 110V/ 208V/ 220V/ 230V/ 380V/ 400V/ 415V/ 480V)
    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
    Working Environment Temperature -15℃~+40℃
    Humidity ≤90%RH, without condensation
    Altitude <1000m, non corrosive gas and conductive dust

    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: ATO Step up & step down isolation transformer shell selection
    The selection of the shell is also very important to the isolation transformer protection and it should be according to the requirements of protection and the using environment, so the shell forms are diversified. Conventionally, the ATO step up/down single phase and three isolation transformer shell selects IP20 mainly to protect the live parts and to prevent the cats and rats as well as some larges and 12mm diameter foreign matters into the transformer, which may cause short-circuit and other serious accidents. In addition, the outdoor transformer protective shell needs to select IP23, which not only has the above functions, but also can avoid droplets within vertical 60 degrees. However, this will have an impact on the cooling capacity of the isolation transformer, so the operation capacity needs to be paid attention to.

    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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