Shopping cart Close

You have no items in your shopping cart.

All Categories
    Menu Close
    Search store Close
    Picture of 20 kVA Automatic Voltage Stabilizer, Three Phase, 230V/440V/460V
    Picture of 20 kVA Automatic Voltage Stabilizer, Three Phase, 230V/440V/460V
    Picture of 20 kVA Automatic Voltage Stabilizer, Three Phase, 230V/440V/460V
    Picture of 20 kVA Automatic Voltage Stabilizer, Three Phase, 230V/440V/460V
    Picture of 20 kVA Automatic Voltage Stabilizer, Three Phase, 230V/440V/460V
    Picture of 20 kVA Automatic Voltage Stabilizer, Three Phase, 230V/440V/460V

    20 kVA Automatic Voltage Stabilizer, Three Phase, 230V/440V/460V

    0 review(s) | Add your review
    SKU: PH-AVS-3P20K
    $3,110.16
    ● 20 kVA capacity for demanding equipment with ±1% output accuracy. ● Compatible with 304V-456V AC input (380V ±20% tolerance). ● Built-in protections against voltage anomalies, overheating, and short circuits. ● Clear LED display for monitoring key parameters and system status. ● Standard 380V output with customization options for diverse applications.
    *
    *
    *
    Ship to
    *
    *
    Shipping Method
    Name
    Estimated Delivery
    Price
    No shipping options
    ⏱️ Delivery: 10-20 days
    🔙 30-day Returns
    Related products

    8 kVA Automatic Voltage Stabilizer, Three Phase, 220V/380V/400V

    ● Rated capacity is 8 kVA, with automatic voltage stabilization ● Wide AC input voltage range reaches 304V–456V (±20%) ● Standard 3 phase 380V output, customizable to 415V or 480V ● Designed for three-phase four-wire power systems ● Suitable for industrial equipment and commercial power applications
    $2,294.26

    15 kVA Automatic Voltage Stabilizer, Three Phase, 380V/400V/415V

    ● Engineered for demanding applications with a 15 kVA rating. ● Features a fast-response servo motor for precise, continuous voltage correction. ● Intelligent automatic control circuit ensures reliable, maintenance-free operation. ● Both input and output voltages can be tailored to your specific needs. ● The default 3-phase 380V configuration is the backbone of industrial power systems.
    $2,962.31

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

    ● 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.
    $4,963.05

    40 kVA Automatic Voltage Stabilizer, Three Phase, 208V/380V/415V

    ● Delivers a substantial 40 kVA capacity, providing robust voltage support for multiple critical systems or high-demand machinery. ● Features a full-automatic compensated servo motor system for real-time, precise voltage correction without waveform distortion. ● Offers user-selectable output accuracy of ±1% for ultra-sensitive equipment or ±2-4% for standard industrial applications. ● Default configuration supports a wide three-phase, four-line input range (Phase: 175V-265V / Line: 304V-456V) with a stable 380V output, adaptable to diverse grid conditions.
    $6,080.49

    50 kVA Automatic Voltage Stabilizer, Three Phase, 220V/400V/440V

    ● Provides a robust 50 kVA power capacity, designed for medium to large industrial power applications. ● Incorporates advanced computer programming for precise, adaptive, and self-optimizing voltage regulation. ● Operates at an efficiency of＞95%, minimizing operational energy costs and heat generation. ● Handles a broad three-phase input range (Line: 304V-456V AC; Phase: 175V-265V) and delivers a stable, customizable 380V output.
    $6,829.23

    60 kVA Automatic Voltage Stabilizer, Three Phase, 380V/400V/460V

    ● 60 kVA rating, ideal for industrial plants and commercial buildings. ● Handles wide input range (304V-456V); factory-selectable 380V/415V/480V output. ● Highly space-efficient and aesthetically sleek for easier integration into modern facilities. ● Engineered for long-term reliability with minimal service requirements. ● >95% operational efficiency, reducing energy loss and operational costs.
    $8,133.87
    Overview

    The 3-phase 20 kVA fully automatic voltage stabilizer is designed to deliver stable and protected power output for a wide range of industrial and power supply applications. With a wide AC input voltage range of 304V–456V, it effectively handles severe voltage fluctuations while maintaining a stable 380V three-phase output, which can also be customized to meet specific system requirements. Equipped with an LED display and a comprehensive set of built-in protection functions, this stabilizer ensures safe and reliable operation under demanding conditions. Its servo motor–driven regulation structure, combined with efficient control circuitry, makes it a dependable solution for continuous industrial use.

    20 kVA 3 phase voltage stabilizer feature

    Feature

    • Multi-Layer Protective Circuitry: Provides advanced safety through over/under-voltage, over-current, overheating, and short-circuit protection, ensuring equipment security in unstable power conditions.
    • Dynamic Servo-Motor Regulation: Utilizes high-torque servo motor and compensator technology for rapid, precise voltage adjustment, guaranteeing stable ±1% output accuracy under variable loads.
    • Enhanced User Operation Panel: Equipped with an intuitive LED display for real-time monitoring of input/output voltage, load status, and any system alerts.
    • Optimized Industrial Mobility: Features a durable, compact enclosure designed for stability and ease of relocation between operational sites.
     

    Details

    1. Heat dissipation holes
    2. Voltage display
    3. Circuit breaker
    4. Bypass
    20 kVA 3 phase voltage stabilizer details

    3 Phase Voltage Stabilizer Schematic Diagram

    3 phase voltage stabilizer schematic diagram

    Specs
    Capacity 20 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, When accuracy at 1%, response time is 250-300ms
    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 150 Kg
    Package Size 520×430×880 (mm)
    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: How does the multi-layer protection system benefit my equipment?

    The integrated protection system acts as a comprehensive safety net. It not only regulates voltage but also actively shuts down output or provides alerts in case of dangerous conditions like extreme voltage surges, overloads, or internal overheating, preventing costly damage to your connected machinery.

    Q2: What is the response time for the servo-motor adjustment?

    The servo-motor system provides dynamic correction, typically responding to voltage fluctuations within milliseconds. This rapid adjustment ensures that sensitive equipment receives a consistent voltage supply without interruption or harmful spikes/dips.

    Q3: Can this 20 kVA stabilizer be customized for a specific voltage requirement not listed (e.g., 400V)?

    Yes. A key feature of this industrial-grade stabilizer is its customizability. Please contact our technical support team to discuss specific input or output voltage requirements for your application.

    0 review(s)
    0.0 0
    Write your own review Close
    *
    *
    Information
    Customer service
    Payment options
    Copyright © 2026 PowerHome.com. All rights reserved.