Automatic Voltage Regulator DBW/SBW Series Supplier
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.
The DBW/SBW Series Automatic Voltage Stabilizer is an industrial-grade automatic voltage regulator (AVR) designed to provide stable and reliable power supply for sensitive electrical equipment. Engineered for both single-phase and three-phase systems, this solution ensures consistent voltage output even under fluctuating grid conditions.
As a professional manufacturer, supplier, and wholesaler, we offer factory-direct solutions with OEM/ODM customization to meet diverse industrial and commercial requirements. These stabilizers are widely used in manufacturing plants, commercial buildings, construction sites, and critical infrastructure where voltage stability is essential.
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
What It Does
The automatic voltage regulator continuously monitors incoming voltage and automatically adjusts it to maintain a stable output level. This protects equipment from overvoltage, undervoltage, and power fluctuations, reducing downtime and extending equipment lifespan.
This DBW/SBW series is an ideal choice for distributors, contractors, and industrial users seeking a reliable automatic voltage regulator supplier with scalable production and customization capabilities.















