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    250 kVA 3 phase Industrial AC Automatic Voltage Stabilizer

    ATO energy-saving 250 kVA capacity 3 phase 4-line industrial voltage stabilizer is a air cooled full automatic compensated stabilizer with input voltage range of 304V-456V AC and output voltage of 380V, has the functions of over/under-voltage protection, delay and error protection.
    SKU: ATO-AVS-3P250K
    Delivery date: 10-20 days

    250 kVA Voltage Stabilizer Features

    • Input: Three phase and four-line system, 175V-265V (phase voltage), 304V-456V (line voltage)
    • Output: Three phase 380V, ±1% accuracy, other voltages can be customized
    • 3 years standard warranty
    • High technology with computer programming control
    • Step-less automatic voltage control
    • Perfect protection function: Over/ low voltage protection, over heat/ load protection, short circuit protection
    • High efficiency: More than 95%

    250 kVA 3 phase Industrial AC Automatic Voltage Stabilizer is a adjustable automatic voltage compensation high-power regulating power device. When voltage from supply network is varied or due to loading current effect, it automatically regulates the output voltage to ensure the normal function of the varied of electric equipments.

    250 kVA Voltage Stabilizer Specifications

    Model Number ATOSBW-250K
    Capacity 250 kVA
    Phase 3 Phase 4-line
    Input Voltage Range ±15% tolerance for all standard output voltages above 380V.
    ±20% tolerance for required 380V output and all standard voltages below.
    Output Voltage 3 phase 380V (Optional: 110V/ 120V/ 208V/ 220V/ 230V/ 240V/ 400V/ 415V/ 440V/ 460V/ 480V)
    Output Accuracy ±2~4%/ ±1% (Optional)
    Frequency 50Hz/60Hz
    Current Type AC
    Efficiency ≥95%
    Response Time ≤1.5S
    Ambient Temperature -15°C~+40°C
    Cooling Method Naturally air cooled
    Insulation Resistance ≥5MΩ
    Electricalintensity Without breakdown and flashover phenomena at power frequency sine voltage 2000V for 1 min
    Overload Capacity Overload current (%) Duration (min)
    20 ≤60
    40 ≤15
    60 ≤5
    Waveform Distortion Non-lack fidelity waveform
    Protection Over-voltage, over-current, feed phases
    Protection Grade IP 24
    Warranty 24 months
    Certificate ISO9001:2008, PCT, SGS, CE
    Weight 700 Kg
    Package Size 1100x800x2000 mm

    Industrial Voltage Stabilizer Inner Detail

    3 phase voltage stabilizer details

    Voltage Stabilizer Buying Tips

    1. Before purchasing a voltage stabilizer, you'd better determine the reverse range and frequency of household voltage. For instance, if your voltage is pulled to about 80V and the input range of your voltage stabilizer is between 140 V and 230V, it will not work as you wish. Therefore, voltage stabilizers should be selected according to the power supply range of the service environment. It is recommended to choose a broadband voltage stabilizer.
    2. You'd better know the total power of the device you need to stabilize the voltage, and the rated power of your voltage stabilizer should be 30% higher than the total power of all devices when choosing a voltage stabilizer. You should know that the heat generated by full load will increase the loss of components. When the voltage stabilizer operates overload, the required current will be too large, and the voltage will inevitably be pulled down.
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