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    5 kVA Isolation Transformer, single phase, 230V to 120V

    5 out of 5 based on 2 reviews | Write a review
    $782.54
    The provided lower cost 5 kVA isolation transformer, single phase, is designed to use in alternating current (AC) 50Hz or 60 Hz, step down/ up the voltage 230V to 120V/ 120V to 230V, the IP20 protection grade enclosure makes the unit suitable for both indoor and outdoor applications.
    SKU: ATO-T-DG5KVA
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    Free Shipping Worldwide
    Delivery date: 6-12 days

    5 kVA Isolation Transformer Features

    • Suitable for power supply sites with frequency AC 50/60Hz.
    • Transfer single phase 230 volt primary voltage to 120 volt secondary voltage, or 120 volt to 230 volt.
    • Dry type natural air self cooling of cooling mode.
    • Better dielectric strength and insulation resistance.
    • Lower noise, lower temperature rise, higher safety.

    5 kVA Isolation Transformer Specifications

    Model ATO-DG5kVA
    Phase Single phase
    Capacity 5kVA
    Primary Voltage 230V AC (optional: 110V/ 120V/ 208V/ 220V/ 240V)
    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: 41kg
    Protected type: 55kg
    Weight of Copper Wire Transformer Open type: 40kg
    Protected type: 53kg

    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
    5 kVA Isolation Transformer Dimension

    Single phase isolation transformer open type size

    Aluminium Wire Transformer Size Copper Wire Transformer Size
    Open type: a*b*c=240*230*260mm Open type: a*b*c=210*230*220mm
    Protected type: A*B*C=360*350*380mm Protected type: A*B*C=330*350*340mm
    Installation Dimenion: D*E=180*160mm (The Aperture: 20*10mm) Installation Dimenion: D*E=150*170mm (The Aperture: 18*8mm)

    Tips: Protective device to be installed in a 5 kVA isolation transformer

    1. Gas protection that reflects the internal faults of 5 kVA single phase 230V to 120V isolation transformer oil tank and oil surface reduction.
    2. Longitudinal differential protection or current fast-trip protection that reflects the interphase short circuit of isolation transformer winding and outgoing line, the single-phase grounding short circuit of neutral-point solid ground winding and outgoing line.
    3. Overcurrent protection that reflects the external interphase short circuit of step up/ dowm transformer and plays as the differential protection reserve of gas protection box (or current fast-trip protection).
    4. Zero-sequence current protection that reflects the external and internal grounding short-circuit of the 5 kVA isolation transformer in the neutral-point solid ground system.
      Overload protection that reflects the symmetrical overloading of the transformer.

    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.

    Existing reviews of 5 kVA Isolation Transformer, single phase, 230V to 120V
    What is the output Hz?
    What is the output Hz of this 5 kVA single phase isolation transformer?
    From: Frank | Date: 19/06/2018
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Dear friend, whatever the input frequency is, if you are in a 60Hz area, it will be 60Hz. If you are in a 50Hz area, it will be 50Hz. Our isolation transformers transform the voltage only.
    Used 5 kVA transformer to step up 120 volt to 220 volt
    I used this unit (5 kVA isolation transformer, single phase) for the Step Up since I bought something from a country that had 220 volts and here in the USA uses only 120 volts. My stereo had the lights on, but the speakers or sounds was not working. The xmas decor lights work, but it was dim. After plugging both to step up the 220 volts, radio/speakers work perfect and the xmas lights were super bright. Highly recommend.
    From: Russell Barbuto | Date: 17/10/2018
    Was this review helpful? Yes No (0/0)
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