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    Picture of Adjustable 4000W SCR Voltage Regulator, 110V/220V
    Picture of Adjustable 4000W SCR Voltage Regulator, 110V/220V
    Picture of Adjustable 4000W SCR Voltage Regulator, 110V/220V

    Adjustable 4000W SCR Voltage Regulator, 110V/220V

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    SKU: PH-VRG-4000W
    $98.92
    ● Supports AC 110V/220V input and offers 10–220V stepless AC voltage regulation. ● Rated 4000W power, supporting voltage regulation, speed control, temperature adjustment and dimming. ● Available in multiple international plug types to fit power standards across different regions. ● Built-in surge suppression circuits to mitigate voltage spikes and protect connected loads.
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    Overview

    Adjustable 4000W SCR voltage regulator is a practical all-in-one power adjustment solution for home and light industrial use. Adopting reliable industrial-grade components, it enables flexible power tuning for resistive loads while maintaining quiet, steady operation. Equipped with effective anti-surge protection and a user-friendly adjustable knob, it brings convenience for temperature control, fan speed regulation and light dimming tasks. Whether for workshop equipment or daily electrical devices, it offers dependable and easy-to-operate power management.

    Adjustable 4000W SCR Voltage Regulator Features

    Feature

    • Precise Control: Delivers smooth, responsive adjustment with high-sensitivity operation for stable power output.
    • Compact Multifunctional Unit: Integrates four common power regulation functions into one portable controller.
    • Low-loss SCR Design: Minimizes energy waste during operation and ensures consistent long-term performance.
    • Wide Load Compatibility: Works well with heaters, fans, grinders and many industrial & household resistive devices.
     

    Details

    1. Flame Retardant Shell: High-strength flame retardant housing improves safety during long-time operation.
    2. LED Voltmeter: Digital display of current output voltage value.
    3. Multifunctional Plug: Universal socket compatible with various types of plugs for convenient load connection.
    4. Output: Power output port to supply power to connected equipment.
    5. Power Line: Connects to mains power for input power supply.
    6. Function Introduction: Marked applicable functions: voltage regulation, dimming, speed control and temperature control.
    Adjustable 4000W SCR Voltage Regulator Details

    4000W SCR Voltage Regulator Dimension (Unit: mm)

    Adjustable 4000W SCR Voltage Regulator Dimension

    4000W SCR Voltage Regulator Plug Options

    Adjustable 4000W SCR Voltage Regulator Plug Options

    Notice: Unsuitable Loads for This SCR Voltage Regulator

    Adjustable 4000W SCR Voltage Regulator NoticeTo prevent damage to the regulator, do not connect air compressors, motors, induction cookers, LED bulbs, LED screens or other sensitive electronic equipment.

    Specs
    Input Voltage AC 110V / 220V
    Output Voltage AC 10-110V / 10-220V Adjustable
    Max Power 4000W (Recommended Resistive Load: 2000-3000W)
    Continuous Load Resistive: 2000-2200W
    Inductive: 1800-2000W
    Rated Current 9A
    Max Current 18A
    Thyristor BTA41-800B
    Voltage Adjustment Range 110V Input: 10-110V
    220V Input: 10-220V
    Application
    Industrial Automation

    Industrial Automation

    Automotive Electronics

    Automotive Electronics

    Instruments and Meters

    Instruments & Meters

    Energy Storage

    Energy Storage

    FAQ

    Q1: Why is my voltage regulator output unstable?

    Unstable output of a voltage regulator is usually caused by insufficient input voltage margin, improper selection or poor layout of input/output capacitors, excessive load current exceeding the rated parameter, large sudden load changes, poor grounding, or serious electromagnetic interference. Check whether the input voltage meets the working range, optimize peripheral capacitors and PCB wiring, and avoid operating beyond the specified load to stabilize the output voltage.

    Q2: What scenarios are adjustable voltage regulators suitable for?

    Adjustable voltage regulators are ideal for applications requiring flexible output voltage tuning. Typical scenarios include laboratory testing equipment, prototype electronic debugging, industrial sensor power supplies, battery charging systems, on-board auxiliary equipment and custom automation modules, where different working voltages need to be set according to diverse load requirements.

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