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SBW / DBW / SBW-F
SBW Industrial Three-Phase Servo Voltage Stabilizer
The SBW, DBW and SBW-F platform combines servo-motor regulation with a high-power column-transformer architecture. It is designed for industrial sites that require stable 380 V output across a wide incoming voltage range.
- Capacity
- 50–2000 kVA
- Phase
- Three phase
- Accuracy
- ±3%
- Control
- Servo motor

Product highlights
Designed for dependable regulation
Wide input-voltage options
Overvoltage and undervoltage indication
Short-circuit and overload protection
50/60 Hz operation

Catalogue data
Technical specifications
Final values are confirmed against the selected model and project configuration.
Rated capacity50–2000 kVA
PhaseThree phase
Input voltage options220–430 V / 260–430 V / 280–430 V / 300–445 V
Rated outputAC 380 V
Output accuracy±3%
Frequency50/60 Hz
Control typeServo motor
Efficiency0.96
ProtectionMCB, overvoltage and undervoltage indication
Operating temperature−5 to 60 °C
Selection FAQ
Before requesting a quotation
Can the input and output voltage be customized?
Yes. Final voltage range, output voltage and cabinet configuration are confirmed against the site supply and connected load before production.
What information is required for selection?
Please provide the measured minimum and maximum input voltage, required output voltage, total load in kVA, load type, frequency and installation environment.
