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)

ModelOutput Power (kVA)Size (cm)Net Weight (kg)
DBW-20K2065×56×135278
DBW-30K3065×56×135300
DBW-40K4065×56×135320
DBW-50K5060×60×150350
DBW-60K6060×60×150370
DBW-70K7060×60×150390
DBW-80K8080×60×150420
DBW-100K10080×60×150460
DBW-120K12090×70×170500
DBW-150K15090×70×170510
DBW-180K18090×80×160560
DBW-200K200100×80×170595

SBW Series (Three-Phase Industrial Type)

ModelOutput Power (kVA)Size (cm)Net Weight (kg)
SBW-50K5075×60×126250
SBW-60K6075×60×126260
SBW-100K10085×64×140357
SBW-150K15090×70×165482
SBW-180K180100×70×165515
SBW-200K200100×70×165562
SBW-225K225110×80×190670
SBW-250K250110×80×190710
SBW-300K300110×80×190760
SBW-400K400110×80×1901010
SBW-500K500120×90×2101250
SBW-800K800120×90×2102100
SBW-1200K120080×110×2102750
SBW-1600K1600120×120×2103050
SBW-2000K2000130×120×2407050

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.

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