Voltage Regulator

DBW/SBW Series Automatic Voltage Stabilizer for Industrial Power Systems

The DBW/SBW Series Automatic Voltage Stabilizer is designed to provide a stable and reliable power supply for sensitive electrical and electronic equipment. It efficiently regulates voltage fluctuations in three-phase and single-phase systems, ensuring consistent output power for industrial, commercial, and institutional applications. Built with advanced servo motor control technology, high-efficiency copper windings, and precision voltage sensing circuits, this stabilizer delivers fast response, high efficiency, and long-term reliability in harsh environments.

Applications and Applicability

The DBW/SBW series is widely used in various scenarios where stable voltage is essential for equipment safety and operational efficiency.
Applicable fields include:

Communication systems – ensuring stable power for data centers and telecom stations

Commercial and office buildings – maintaining constant voltage for HVAC, elevators, and lighting systems

Educational institutions and hospitals – providing reliable energy for laboratories, medical instruments, and IT systems

Industrial plants and logistics centers – protecting motors, CNC machines, conveyors, and automated production lines

Financial institutions and enterprise power rooms – guaranteeing safe operation of computer rooms, UPS systems, and servers

Its robust performance and wide voltage range make it ideal for medium to large enterprises requiring uninterrupted, regulated power supply.

Technical Specifications

Input Voltage: Single-phase / Three-phase 175V–265V
Rated Voltage: Three-phase fully linear
Output Voltage: 220V / 380V (depending on model)
Output Current: 5A–50A (adjustable)
Response Time: <1.5 seconds
Efficiency: ≥95% under full load
Operating Temperature: -10°C to +40°C
Insulation Resistance: ≥5MΩ
Noise Level: Low noise design for industrial environments
Protection Functions: Overvoltage, overcurrent, and short circuit protection
Cooling Method: Natural or forced air cooling
Certifications: CE, UL, ISO9001

All models are constructed with high-quality silicon steel cores, pure copper windings, and electrostatic spray-coated steel enclosures for excellent durability and heat dissipation.

Product Models and Specifications
DBW Series (Single-Phase and Three-Phase)

Model Output Power (kVA) Size (cm) Net Weight (kg)
DBW-20K 20 65×56×135 278
DBW-30K 30 65×56×135 300
DBW-40K 40 65×56×135 320
DBW-50K 50 60×60×150 350
DBW-60K 60 60×60×150 370
DBW-70K 70 60×60×150 390
DBW-80K 80 80×60×150 420
DBW-100K 100 80×60×150 460
DBW-120K 120 90×70×170 500
DBW-150K 150 90×70×170 510
DBW-180K 180 90×80×160 560
DBW-200K 200 100×80×170 595

SBW Series (Three-Phase Industrial Type)

Model Output Power (kVA) Size (cm) Net Weight (kg)
SBW-50K 50 75×60×126 250
SBW-60K 60 75×60×126 260
SBW-100K 100 85×64×140 357
SBW-150K 150 90×70×165 482
SBW-180K 180 100×70×165 515
SBW-200K 200 100×70×165 562
SBW-225K 225 110×80×190 670
SBW-250K 250 110×80×190 710
SBW-300K 300 110×80×190 760
SBW-400K 400 110×80×190 1010
SBW-500K 500 120×90×210 1250
SBW-800K 800 120×90×210 2100
SBW-1200K 1200 80×110×210 2750
SBW-1600K 1600 120×120×210 3050
SBW-2000K 2000 130×120×240 7050

Key Advantages

  • High Precision Voltage Regulation: ±1–2% output accuracy ensures stable performance for sensitive devices.

  • Wide Input Range: Operates reliably under voltage fluctuations from 175V to 265V.

  • Intelligent Protection: Automatic shutdown for overload, short-circuit, and phase loss.

  • Durable Design: Built for long service life under continuous heavy-duty operation.

  • Energy Efficient: Up to 95% efficiency reduces energy loss and maintenance cost.

  • Custom Options: Input/output voltage and capacity can be tailored for specific customer needs.

Why Choose Us

We are a professional manufacturer of voltage stabilizers and power conditioning equipment with years of export experience across Europe, Asia, and Africa.

  • ISO-certified production facilities and CE/UL-certified products

  • OEM/ODM support with customized voltage and enclosure options

  • Fast delivery within 10–15 working days

  • Competitive factory prices and strict quality control

  • Expert technical team offering full after-sales service

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