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    1 kVA Isolation Transformer, single phase, 240V to 120V

    $432.98
    Dry type single phase isolation transformer with 1 kVA capacity, is design to use in AC circuit 50Hz or 60 Hz, transform 240V primary voltage to 120V secondary voltage. Encapsulation and IP20 protection grade of the enclosure protect the transformer from dust, moisture and provide extra shock and vibration resistance.
    SKU: ATO-T-DG1KVA
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    Free Shipping Worldwide
    Delivery date: 6-12 days

    The offered 1 kVA isolation transformer is a single phase transformer with lower cost, step up or step down the AC voltage between 240 volt and 120 volt, suitable for hazardous locations as well as harsh industrial environments.

    1 kVA Isolation Transformer Specifications

    Model ATO-DG1kVA
    Phase Single phase
    Capacity 1kVA
    Primary Voltage 240V AC (optional: 110V/ 120V/ 208V/ 220V/ 230V)
    Secondary Voltage 120V AC (optional: 110V/ 208V/ 220V/ 230V/ 240V)
    Frequency 50Hz / 60Hz
    Winding Material Aluminum/Copper wire (Optional)
    Work Efficiency ≥95%
    Insulation Resistance ≥50 MΩ
    Electrical Strength 2000V AC/1 min
    Noise ≤35dB (1 meter)
    Insulation Grade Grade B (130℃), Grade F (155℃), Grade H (180℃)
    Cooling Method Natural or air cooling
    Overload Capacity Allow more than 1.2 times rated load to work for up to 1 hour
    Induced Overvoltage Withstand Test 125Hz/800V/min
    Transformation Ratio <3%
    Air Carrying Current <6%
    Impedance Voltage about 6%
    Total Losses 10%
    Certification CE, ISO
    Temperature -15℃~+45℃
    Humidity ≤90%RH, without condensation
    Altitude <2000m, non corrosive gas and conductive dust
    Enclosure Protection Grade IP 20
    Warranty 12 months
    Weight of Aluminium Wire Transformer Open type: 14kg
    Protected type: 23kg
    Weight of Copper Wire Transformer Open type: 12kg
    Protected type: 21kg

    Note:
    Transformer can only convert voltage and CANNOT convert frequency.
    Transformer CANNOT convert single phase voltage to 3 phase voltage.
    Support voltage customization, various specifications customization.

    Single Phase Isolation Transformer Schematic Diagram
    800 VA-15 kVA single phase isolation transformer schematic diagram
    1 kVA Isolation Transformer Dimension

    Single phase isolation transformer open type size

    Aluminium Wire Transformer Size Copper Wire Transformer Size
    Open type: a*b*c=150*170*180mm Open type: a*b*c=150*160*180mm
    Protected type: A*B*C=310*270*310mm Protected type: A*B*C=310*270*310mm
    Installation Dimenion: D*E=120*125mm (The Aperture: 15*8mm) Installation Dimenion: D*E=120*115mm (The Aperture: 15*8mm)

    Tips: Why step up & step down isolation transformer can't convert the DC voltage?
    Alternating current (AC) refers to the current whose voltage and current changes the magnitude and direction with the time. Alternating current is produced by alternator. During the power generation, multiple pairs of magnetic poles are evenly distributed on a circle at a certain angle, so that each coil cuts the magnetic line in power generation. Due to the many pairs of magnetic poles, the voltage and current generated from cutting the magnetic lines of each pair of poles changes according to the string rule, the stable current is thereof produced.

    Operational principle of the transformer is the electromagnetic induction principle. When the primary of a step up & step down isolation transformer connects the AC, an alternating magnetic field is generated in the iron core, the secondary out induces the AC and the induced electromotive force is proportional to the number of turns. If the primary of a transformer connects an DC, the magnetic field produced in the iron core is constant, as a result, no electromotive force is induced in the winding of secondary out, the transformer action will not affect.

    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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