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    80 kVA Isolation Transformer, 3 phase 480V to 3 phase 380V

    5 out of 5 based on 1 reviews | Write a review
    Three phase isolation transformer with 80 kVA capacity and a primary voltage of 480V AC on the primary side, and secondary voltage of 380V AC on the secondary side. The lower operating costs, lower heat emissions make this transformer ideal for a wide range of applications.
    30-day Returns
    Delivery date: 10-20 days

    80 kVA isolation transformer is designed to step down/up the 3 phase voltage 480V to 380V, and widely used in various power supply sites with frequency 50Hz/60Hz. It is designed for use in control circuits and general applications such as mechanical and electronic equipment, precision machine tool, CNC machine tool, lighting, etc.

    80 kVA Isolation Transformer Specifications

    Basics Model ATO-SG80KVA
    Phase 3 phase
    Capacity 80 kVA
    Weight of Aluminium Wire Transformer Open type: 320kg
    Protected type: 385kg
    Weight of Copper Wire Transformer Open type: 325kg
    Protected type: 395kg
    Technical Parameters Primary Voltage 480V (Optional: 190V/ 208V/ 220V/ 230V/ 240V/ 380V/ 400V/ 415V/ 480V)
    Secondary Voltage 380V (Optional: 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


    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

    3 Phase Isolation Transformer Details

    60-100 kVA 3 phase isolation transformer details

    80 kVA Isolation Transformer Installation Dimension

    60kVA 100kVA isolation transformer dimension

    Aluminium Wire Transformer Size Copper Wire Transformer Size
    Open type: a*b*c=760*370*600mm Open type: a*b*c=560*380*530mm
    Mouting size: d*e=420*220mm Mouting size: d*e=380*230mm
    Protected type: A*B*C=600*1050*980mm Protected type: A*B*C=600*1050*980mm

    Tips: Application of burglar alarm in isolation transformer

    Since outdoor transformer is often stolen, the product such as 80kVA isolation transformer burglar alarm that can effectively protect the outdoor transformers and solve the problem that power workers deal for many years. Burglar alarm device is installed next to transformer or on the telegraph pole. Once a front-end processor detects disconnection and power failure, it will sent GSM message to the four alarm personnel and alarm information to monitoring center, at the same time it will trigger the voice alarm of on-site loudspeaker. The step up and step down transformer that sends out the alarm information and the actual location of faulty line are clearly displayed on the electronic map of monitoring center. After receiving the alarm, the police on duty will immediately be sent to the scene to have a check and deal with the related problem. In addition to disconnection and warning, the machine can access to the alarm amount of vibration, infrared ray, wire wrapping and others for the purpose of protecting the transformer safety.

    How to Test Step Up & Step Down Isolation 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 80 kVA Isolation Transformer, 3 phase 480V to 3 phase 380V
    Customized 80kVA isolation transformer
    Can you customize your 80kVA isolation transformer to comply with K4 transformers standard?
    From: Mdclark | Date: 19/07/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, of course, but the price will be a bit higher.
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