SBW / DBW Automatic Industrial Voltage Regulator Three Phase 120KVA

Brand Name:Modern
Certification:CE,ISO 9001
Model Number:SBW
Minimum Order Quantity:1
Delivery Time:30 days
Payment Terms:T/T
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Location: Wenzhou Zhejiang China
Address: 20 Jinsiqiao Road, Wenzhou, Zhejiang, China
Supplier`s last login times: within 1 hours
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Product Details

SBW/DBW Automatic Industrial Voltage Regulator Three Phase 120KVA,High Quality,High Efficiency and Energy Saving​


Working principle

SBW, DBW Europe Technology High Precision Electronic voltage Stabilizer is designed for stable AC voltage by inducing and absorbing the Western Europe advanced technology.at the same time combined our national condition. When the outside power supply network voltage fluctuates or the load changes to make the voltage undulation, it can automatically maintain the output voltage to be stable.


Comparing with other type voltage regulator, this series product has big capacity, high efficiency undistorted waveform, steady regulation voltage and so on the merit,widely suitable load, withstand instantaneous and overload, long-term continuous working, manual/automatic switching, equipped with the over-voltage protection, lacking phase, phase sequence protection and mechanical breakdown automatic protection, as well as small volume, light weight,convenient usage and installment, reliable movement and so on merit, (two kinds of digital display and instrument indication)

We are Manufacturer which specialized in Servo Voltage Stabilizer, Uninterruptible Power Supply (UPS), Active Power Filter, etc for nearly 40 years. And be vendor of Mitsubishi Elevator in East Africa, GE, Emerson.

Voltage Regulator Feature:


Extremely wide voltage regulation range

Maintenance free roller type carbon brush

Individual regulation with unique small dimension

Maximum capacity up to 5000KVA

High Mean time Between Failure(MTBF)

Reliable and quiet servo motors

Wheels mounted for easy installation

Start up delay to prevent over current inrush

Isolation transformer on request

Indoor or outdoor version on request


Main technical parameters


Input VoltageDBW SBW
220±15%,20%,30%,50% 380±15%,20%, 25%30%,50%
Output Voltage (Preset at 1.5%)220Vac±1-5% 380Vac±1-5%
Efficiency>98%
Precision1-5%
Frequency47-53Hz
Response Time<0.5S/20V(Line Voltage)
Insulated Strength2000V/1 minute without puncture 2500V/1 minute without puncture
Insulated Resistance>2MΩ
Wave DeformationNil
Isolation transformerOptional
Surge ProtectionOptional

Company details:


China SBW / DBW Automatic Industrial Voltage Regulator Three Phase 120KVA supplier

SBW / DBW Automatic Industrial Voltage Regulator Three Phase 120KVA

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