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    40 kVA 3 phase Industrial AC Automatic Voltage Stabilizer

    40 kVA 3 phase 4 line full-automatic compensated servo voltage stabilizer on sales, default input voltage range is 175V-265V (phase voltage) 304V-456V AC (line voltage) and default output 380V. +/- 2-4% or +/- 1% of output accuracy to select, high efficiency up to 95%.
    SKU: ATO-AVS-3P40K
    Free Shipping Worldwide
    Delivery date: 10-20 days

    40 kVA Voltage Stabilizer Features

    • Default three phase 4-line 175V-265V (phase voltage) 304V-456V AC (line voltage) of wide input voltage range, 380V output
    • High efficiency, large capacity, no waveform distortion, stable voltage regulation
    • The high accuracy of the output voltage (output voltage can be customized)
    • Perfect protection function: Over/ low voltage protection, over heat/ load protection, short circuit protection

    40 kVA 3 phase Industrial AC Automatic Voltage Stabilizer is widely used in post and telecommunications, department stores, elevators, hospitals, schools, printing, securties and other occasions where all needs normal voltage to ensure, such as workshop mines medium enterprises, some of the important equipment and computer power and support.

    40 kVA Voltage Stabilizer Specifications

    Model Number ATOSBW-40K
    Capacity 40 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 260 Kg
    Package Size 700x520x1150 mm

    Industrial Voltage Stabilizer Inner Detail

    3 phase voltage stabilizer details



    In fact, the three-phase voltage stabilizer connects the three voltage stabilizing units with "Y" connection method, and then uses the control circuit board and the motor drive system to control the voltage regulating transformer, so as to achieve the function of stabilizing the output voltage.

    If the sliding arms of the three voltage regulating transformers are driven by one motor, the voltage regulating mode is the unified voltage stabilizer. If the sliding arms of the three voltage regulating transformers are independently adjusted by three motors, the three-phase split regulation voltage stabilizer is the same as the single-phase voltage stabilizer.

    In the process of voltage regulation, the regulator is realized by moving the carbon brush to change the number of contact coil turns. Then, during the adjustment, it is required to keep contact with the coil at all times, otherwise, the power will be cut off.

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