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    2 kVA Single Phase Automatic Voltage Stabilizer for Home

    Single phase high precision automatic AC voltage stabilizer with 2 kVA capacity, 150-250V input voltage range, 220V output, compact size, reliable and strict design, is a kind of servo motor control LED display stabilizer for home used.
    Delivery date: 10-20 days

    Protection Functions

    1. Temperature Protection: Mounted on the coil temperature sensor, when the temperature reached 110, the voltage regulator automatic protection to cut off the output.
    2. Overload Protection: When the load power reaches 120%, the stabilizer automatically protects and cuts off the output.
    3. Under Voltage Protection: When the output voltage is lower than 140V, the underpressure indicator light rises and the output is cut off.
    4. Over Voltage Protection: When the output voltage is higher than 260V, the overpressure indicator light rises and the output is cut off.
    5. Lightning Protection: Integrated protection system to prevent direct lightning or lightning electromagnetic pulse damage to the building itself or iternal equipment.


    Product Name Automatic Voltage Stabilizer
    Model Number ATOTND-2000
    Technology Relay Control System+Programmed control computerized+control algorithmn relay"Cross zero"
    Capacity 2 kVA (The power capacity of voltage stabilizer needs to be 1.5~2 times greater than the load power)
    Phase Single Phase
    Input Voltage Range ±15% tolerance of output voltage
    Output Voltage* 220V±3%/ 230V±3%/ 240V±3%/ 110V±6% (Optional)
    Adjust Time <1sec. (Against 10% input voltage deviation)
    Frequency 50Hz/60Hz
    Current Type AC
    Protection Over Voltage <250±2V
    Protection Lack Voltage <185±2V
    Ambient Temperature -10°C~+40°C
    Insulation Resistance ≥5MΩ
    Temperature Protection 110℃±10℃
    Relative Humidity <90%
    Wave Form Distortion No additional wave form distortion
    Efficiency >95%
    Display LED
    Protection Grade IP20
    Dielectric Strength 1500V/min
    Certification CE, RoHS
    Warranty Period 12 months
    Weight 5.25 Kg
    Size LxWxH=270x240x200mm
    Note: The provided 2kVA voltage stabilizer is 1-phase (L, N, G) in accordance with Europe standard. Split phase (L1, L2 + G) like USA standard can't be customized.

    Tips: How does a voltage stabilizer work?

    A voltage stabilizer is a device that stabilize the output voltage, it consists of a voltage regulation circuit, control circuit and servo motor. When the input voltage or load changes, the control circuit would sample, compare and amplify the variation, then it drives the servo motor to rotate to change the position of voltage regulator's carbon brush. By automatically controlling the coil's turns ratio, it ensures a stable output voltage.
    As some electrical appliances contain coil packs, eddy current blocking the current would generate at the initial stage of power supply, the eddy current will weaken the instantaneous voltage when electrical appliances start, and thereof lead to a slow start-up, as well as strengthening the transient voltage generated after open circuit, which may cause sparks to damage circuits. So a voltage stabilizer is needed to protect the normal operation of the circuit.

    In this video ATO uses a voltage regulator and multimeter to test the output voltage of the 3 kva voltage stabilizer which has 140V to 270V AC input, 220V AC output. After testing, we may see that the output voltage is within 220V ± 6%, which is in line with the standard.

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