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    30 kVA Automatic Voltage Stabilizer, Three Phase, 240V/415V/480V

    SKU: PH-AVS-3P30K
    $4,963.05
    ● Features a robust 30 kVA servo motor for precise and responsive voltage correction. ● Default configuration handles a wide three-phase input range of 304V-456V AC (±20%) with a stable 380V output. ● Both input and output voltage parameters can be factory-customized to meet specific regional or equipment requirements. ● Automatically and continuously adjusts to stabilize output voltage amidst supply fluctuations or changing load conditions. ● Integrated safeguards include over-voltage, under-voltage, overload, overheat, and short circuit protection. ● Equipped with an LCD and menu navigation buttons for easy monitoring, setting adjustments, and status checks.
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    ⏱️ Delivery: 10-20 days
    🔙 30-day Returns
    Overview

    The provided 30 kVA 3-phase automatic voltage stabilizer is built to meet the demands of high-power industrial machines and continuous-duty applications. Featuring a servo motor–driven regulation system, it automatically compensates for voltage fluctuations caused by unstable distribution networks or changing load conditions. With a wide three-phase input voltage range of 304V–456V AC (±20%) and a standard 380V output, this energy-efficient stabilizer delivers stable, distortion-free power. Both input and output voltages can be customized, allowing seamless integration into various industrial power systems and regional voltage standards.

    30 kVA 3 phase voltage stabilizer feature

    Feature

    • Precision Servo Regulation: Utilizes a high-torque servo motor for fast, smooth, and accurate voltage compensation, ensuring a stable power supply with an adjustable precision of ±1% to ±4%.
    • Industrial-Grade Power & Safety: The 30 kVA capacity supports demanding equipment, while the comprehensive protection suite guards against electrical faults and extreme conditions.
    • Clear LCD Control Panel: The digital display provides real-time visibility of voltage, load, and system status, with an intuitive menu for straightforward configuration.
    • High Efficiency & Waveform Integrity: Engineered for energy-efficient operation with high power factor and no waveform distortion, ensuring compatibility with sensitive electronic equipment.
     

    Details

    1. High-quality circuit breaker
    2. New silicon steel plate, high magnetic transformer with compensator
    3. High-speed reducer servo motor
    4. Cooling fan*2
    5. Carbon brush
    6. Precision voltage copper coils
    30 kVA 3 phase voltage stabilizer details

    3 Phase Voltage Stabilizer Schematic Diagram

    schematic diagram of 3 phase voltage stabilizer

    Specs
    Capacity 30 kVA (The power capacity of the voltage stabilizer needs to be 1.5~2 times greater than the load power)
    Phase 3-Phase 4-line
    Input Voltage Range ±15% tolerance for all standard output voltages above 380V.
    ±20% tolerance for the 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)
    * In case of output accuracy of ±2~4%, the voltage stabilizer will be servomotor-based, and in case of output accuracy of ±1%, the voltage stabilizer would be SCR-based.
    Frequency 50Hz/60Hz
    Current Type AC
    Efficiency ≥95%
    Response Time ≤1.5S
    Ambient Temperature -15°C~+40°C
    Cooling Method Air-cooled
    Insulation Resistance ≥5MΩ
    Electrical Intensity 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 12 months
    Certificate ISO9001:2008, CE
    Weight 220 Kg
    Package Size 500×830×1130 (mm)

    PDF computing30kVA-3000kVA 3-Phase Voltage Stabilizer User Manual

    Application
    3 phase automatic voltage stabilizer for medical equipment

    Medical Equipment

    3 phase automatic voltage stabilizer for communication circuits

    Communication Circuits

    3 phase automatic voltage stabilizer for CNC machine tools

    CNC Machine Tools

    3 phase automatic voltage stabilizer for power distribution equipment

    Power Distribution Equipment

    FAQ

    Q1: What types of industrial equipment is this 30 kVA stabilizer most suitable for?

    This stabilizer is ideal for protecting high-power and sensitive three-phase equipment commonly found in manufacturing and heavy industry. Typical applications include CNC machining centers, industrial laser cutters, plastic injection molding machines, large air compressors, production line automation systems, and precision testing equipment that require extremely stable voltage to operate correctly and avoid damage.

    Q2: Can I order a unit with a different output voltage, like 415V or 480V, instead of the default 380V?

    Absolutely. A key feature of this industrial-grade 30 kVA stabilizer is its customizability. You can specify your required input and output voltage parameters (e.g., 415V ±1% output) during the ordering process. Our engineering team will configure the unit to your exact specifications before shipment.

    Q3: How does the "overload protection" function work, and what happens when it is triggered?

    The overload protection continuously monitors the current drawn by your connected equipment. If the load exceeds the stabilizer's 30 kVA capacity for a sustained period, the protection circuit will automatically activate. This typically involves cutting off the output power to prevent damage to both the stabilizer and your machinery. Once the overload condition is removed, the unit can usually be reset manually via the control panel or by cycling the main power.

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