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Voltage Regulators/Stabilizers
  • Speed Controller SCR Voltage Regulator 220V 4000W Dimming Voltage Regulator Dimmer
  • Speed Controller SCR Voltage Regulator 220V 4000W Dimming Voltage Regulator Dimmer
  • Speed Controller SCR Voltage Regulator 220V 4000W Dimming Voltage Regulator Dimmer
  • Speed Controller SCR Voltage Regulator 220V 4000W Dimming Voltage Regulator Dimmer
Speed Controller SCR Voltage Regulator 220V 4000W Dimming Voltage Regulator Dimmer

Speed Controller SCR Voltage Regulator 220V 4000W Dimming Voltage Regulator Dimmer

  • 1 - 49 Pieces
    $9.50
  • >= 50 Pieces
    $9.30

Customization:

Customized logo（Min.Order: 500 pieces）
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Speed Controller SCR Voltage Regulator 220V 4000W Dimming Voltage Regulator Dimmer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Regulation & Stabilization: Uses SCR (Silicon Controlled Rectifier) technology to regulate and stabilize 220V AC output, ensuring optimal power delivery for connected devices.
  • Dimming/Speed Control: Enables precise adjustment of voltage output (via a rotary knob) for applications like lighting dimming and motor speed control in appliances.

Key features

  • 1. SCR (Silicon Controlled Rectifier) Semiconductor Technology

    • With advanced SCR semiconductor technology, you can achieve precise voltage control for optimal performance in sensitive electronic devices. This ensures stable power delivery compared to traditional resistive regulators*.

  • 2. Intuitive Interactive Design

    • With an ergonomic rotary knob and real-time LED output indicator, you can easily adjust and monitor voltage settings, simplifying operation for both professionals and DIY enthusiasts.

  • 3. High-Power Output Capacity

    • With a 4000W output capacity, you can handle demanding applications ~30% more efficiently than standard 3000W models*, making it ideal for heavy-duty appliances and industrial equipment.

  • 4. Versatile Scenario Adaptability

    • Designed for both home appliances and industrial machinery, you can ensure stable voltage supply across diverse environments—from home electronics to factory equipment—without compromising performance.

  • 5. Customizable Voltage Control

    • With adjustable voltage settings and thyristor-based regulation, you can tailor output to specific device requirements, offering greater flexibility than fixed-voltage models*.

Product details

Speed Controller SCR Voltage Regulator 220V 4000W Dimming Voltage Regulator Dimmer

The NQQK BT-4000 electronic voltage regulator is a versatile SCR-based speed controller designed for precise voltage regulation in AC systems. With a 220V input/output rating and 4000W capacity, it ensures stable power delivery for home appliances, industrial machinery, and electronics projects. Its compact design, thyristor technology, and adjustable settings make it ideal for applications requiring reliable dimming or power control.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDurable plastic housingProtection against environmental stress
Output IndicatorRed LED displayReal-time voltage monitoring in dark environments
Adjustable VoltageRotary knob (0-220V)Custom dimming for lighting or motor control
Thyristor TechSCR-based regulationIndustrial machinery and high-heat applications
Power Capacity4000W single-phaseHeavy-duty appliances and equipment
Voltage CompatibilityAC 220V universal input/outputGlobal standard systems integration

Customization guide

Adjustable voltage settings (0-220V) allow precise control to meet specific dimming requirements or power regulation needs. The rotary knob enables fine-tuning for applications like LED lighting, motor speed control, or heating systems.

Get inspired

From dimming theater lights to stabilizing power for industrial equipment, the BT-4000’s flexibility ensures optimal performance. Its thyristor technology and robust design make it a go-to solution for both residential and commercial use cases.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Voltage Control Precision±5% accuracy±3% accuracy±1% accuracy*
Max Power Handling4000W4000W + overload protection4000W + surge suppression
DurabilityStandard plasticReinforced casingFlame-retardant material
Control InterfaceRotary knobRotary + digital LCDTouchscreen + remote

Supplier's note

  1. Technical Breakthroughs:

    • SCR Technology: Enables 20% faster response than traditional relays for precise voltage control.
    • Universal 220V Compatibility: Eliminates the need for voltage conversion in global systems.
    • Adjustable Output: Supports dimming down to 0V for energy-efficient lighting systems.

  2. Version Selection Guide:

    • Base Model: Ideal for home users needing basic dimming (e.g., LED strips).
    • Advanced Model: Suitable for workshops requiring overload protection (e.g., motor control).
    • Pro Model: Best for industrial settings with high-voltage surges (e.g., welding equipment).

With thyristor technology, you can achieve precise voltage control for sensitive machinery. The Pro version’s surge suppression ensures uninterrupted operation in unstable grids, while the Advanced Model’s digital LCD simplifies setup for technicians.

Frequently asked questions

  • Which voltage regulator model is best for small home appliances operating at 220V?

  • How do I clean the control panel of the NQQK BT-4000 voltage regulator?

  • Can the NQQK BT-4000 regulator stabilize voltage for industrial machinery?

  • Does the NQQK BT-4000 support LED dimming applications?

  • What’s the adjustable voltage range of the 220V SCR regulator?

  • Is SCR technology better than traditional regulators for voltage control?

  • Can I customize the output voltage for specific devices?

  • Is the NQQK BT-4000 voltage regulator certified for safety?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Electronic Voltage RegulatorsHome appliances, industrial machineryOutput Power: 4000W (▲100% over 2000W industry standard)
Noise: 43 dBA (▲ quieter than mechanical’s 60 dBA)
SCR Technology (IEC 60747-6 compliant)		▲ High power handling, ▲ precise voltage control, silent operationHigher cost, requires AC input
Mechanical StabilizersCost-sensitive industrial usesOutput Power: 3000W (industry standard)
Noise: 60 dBA
Bulky design		Lower cost, reliable for steady loadsLess precise, noisy, larger size
Digital RegulatorsMedical/laboratory equipmentOutput Power: 2000W (industry standard)
Digital Display: Real-time monitoring (IEC 61131-3)		▲ High precision, user-friendly interfaceSusceptible to power fluctuations, higher cost
Adjustable Voltage ControllersLighting systemsOutput Power: 1000W (industry standard)
Triac-based dimming (IEC 60204-1)		Cost-effective for low-power needsNot for heavy loads, may cause EMI
Industrial Voltage StabilizersFactories, large equipmentOutput Power: 10,000W+ (▲ over 5000W industry standard)
Three-Phase Support		▲ Handles massive loads, durableExpensive, large footprint
Portable Voltage RegulatorsOutdoor events, temporary setupsOutput Power: 1000W (industry standard)
Compact design (▲)
Optional battery (IEC 62133)		▲ Mobility, convenienceLimited capacity, higher cost with battery

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