SBW / DBW / SBW-FSBW / DBW / SBW-F
SBW Industrial Three-Phase Servo Voltage Stabilizer
High-power automatic voltage regulation for factories, production lines and infrastructure loads.
- Capacity
- 50–2000 kVA
- Phase
- Three phase
- Accuracy
- ±3%
Product range
Compare by phase, capacity, voltage range, regulation method and application. Final configurations are confirmed against your measured input and connected load.
Main product families
SBW / DBW / SBW-FSBW / DBW / SBW-F
High-power automatic voltage regulation for factories, production lines and infrastructure loads.
TNSJATNSJA
High-capacity oil-immersed regulation for demanding grids and large industrial power systems.
SVC / TNS / SJWSVC / TNS / SJW
Compact three-phase stabilization with digital or analog monitoring for sensitive equipment.
AVR / TMB / TAC / TVR / MVR / SVC-TNDAVR / TMB / TAC / TVR / MVR / SVC-TND
Wall-mounted and floor-standing solutions for commercial, workshop and equipment-level protection.
AVR / TND
Servo-controlled single-phase models for 220V and 230V equipment, workshops and commercial loads.

TND
TND Series Single Phase AC Voltage Regulator offers 10KVA to 50KVA capacity, 140-250V input range, and \u00b12%/\u00b13% output accuracy for reliable power stability.
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SVC/TND
Reliable SVC/TND single phase servo motor voltage stabilizer ranging from 5kVA to 30kVA. Features 100% copper construction, 100-250V input, and precise 220V/230V output with CE and IEC60076 certifications.
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15kVA
The SVC single phase automatic voltage stabilizer offers 15kVA and 20kVA capacity. It features a servo motor drive, providing stable 220V/230V output from a wide 90-280V input range for reliable home use.
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TND
TND 20kVA and 30kVA single phase servo motor voltage stabilizer by CYTRAFO. Features 140-250V input, 220V/230V output with ±2%/±3% accuracy. CE and IEC60076 certified, ideal for laser equipment.
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SVC/TND
CYTRAFO SVC/TND 25kVA to 40kVA single phase servo motor voltage stabilizer. Reliable CE/IEC60076 certified automatic voltage regulator with 220V/230V output.
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TND
Reliable CYTRAFO TND 50-100KVA single-phase voltage stabilizer with servo motor, offering precise 220V/230V output and 140-250V input range.
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SVC/TND
Customer-provided product photo of the CYTRAFO SVC/TND 10kVA fully automatic single-phase AC voltage stabilizer.
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SVC/TND
Customer-provided product photo of the CYTRAFO SVC/TND 20kVA high-precision automatic AC voltage regulator.
View specificationsAVR / TNS
Compact and medium-capacity three-phase AVR models for sensitive industrial and commercial equipment.

Three-Phase
CYTRAFO TNS three-phase servo motor voltage stabilizer offers 6kVA to 20kVA capacity, 300-450V input range, and precise 380V/400V/415V output. Ideal for stable industrial power supply.
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TNS
TNS three-phase 380V servo motor automatic voltage stabilizer offers high precision with capacities of 9KVA, 10KVA, 15KVA, and 30KVA, ideal for reliable industrial power supply.
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TNS
CYTRAFO TNS series three phase servo motor voltage stabilizers offer 15KVA to 40KVA capacities. Featuring 380V output, high accuracy, and CE certification for reliable power protection.
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TNS
TNS three phase automatic voltage stabilizer by CYTRAFO, offering 20KVA to 40KVA capacity. Features servo motor drive, 380V/400V/415V output voltage, and CE/IEC60076 certification for industrial applications.
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TNS
The CYTRAFO TNS 30KVA three-phase servo motor voltage stabilizer offers reliable 380V output, ±2% accuracy, and durable copper winding for stable power supply solutions.
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Three
Reliable three phase TNS servo motor voltage stabilizer by CYTRAFO. Offers 50KVA to 100KVA capacity with 380V/400V/415V output. Ideal for ensuring consistent industrial power supply.
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SVC/TNS
The CYTRAFO SVC/TNS three-phase voltage stabilizer offers 70kVA to 100kVA capacity with a servo motor drive. It provides stable 380V/400V/415V output and features CE and IEC60076 certifications for reliable industrial use.
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90KVA
CYTRAFO 90KVA 100KVA SVC TNS three-phase servo motor voltage stabilizer features 300-450V input, 380V/400V/415V AC output, ±2%/±3% accuracy, and CE/IEC60076 certification for reliable industrial power regulation.
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120KVA
The CYTRAFO 120KVA 3-phase automatic SVC voltage stabilizer offers a 280-450V input range and precise \u00b12%/\u00b13% output accuracy for industrial applications.
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SVC/TNS
Customer-provided product photo of the CYTRAFO SVC/TNS 20kVA high-precision three-phase AC voltage stabilizer.
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SVC/TNS
Customer-provided product photo of the CYTRAFO SVC/TNS 40kVA three-phase automatic voltage stabilizer.
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SVC/TNS
Customer-provided product photo of the CYTRAFO SVC/TNS 50kVA high-precision three-phase AC voltage stabilizer.
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SVC/TNS
Customer-provided product photo of the CYTRAFO SVC/TNS 100kVA high-precision three-phase AC voltage stabilizer.
View specificationsAVR / SBW
Copper-column three-phase systems for manufacturing lines and higher-capacity industrial loads.

SBW
The SBW 500kVA three phase automatic voltage regulator features a servo motor drive, 300-450V input range, and ±2% output accuracy. It is CE and IEC60076 certified for reliable industrial manufacturing.
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SBW
The SBW series three-phase high-power voltage regulator offers 200KVA to 400KVA capacity. It features a servo motor drive, 300-450V input range, and ±2% to ±3% output accuracy for reliable industrial power supply.
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SBW
The SBW 400K/550KVA high power three-phase automatic voltage regulator provides a 170-250V input range and precise 220V/230V output. It features a reliable servo motor drive and CE IEC60076 certification for industrial applications.
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SBW
CYTRAFO SBW/SBW-F 50K-600KVA three phase independent control automatic voltage regulator stabilizer with servo motor drive. Features 300-450V input range, CE certification, and high output accuracy.
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SBW-F
The SBW-F Series is a reliable three phase automatic voltage regulator stabilizer with capacities from 500kVA to 1000kVA, featuring high output accuracy and CE certification.
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SBW
SBW servo voltage stabilizer cabinet with analog phase metering and industrial control panel, shown in the supplied CYTRAFO product photo.
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SBW
Double-door SBW servo voltage stabilizer cabinet with digital monitoring, represented by the supplied CYTRAFO product photo.
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SBW
SBW 550kVA three-phase servo voltage stabilizer shown in the supplied CYTRAFO product photo with a digital control display.
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SBW
SBW 400kVA three-phase servo voltage stabilizer shown in supplied CYTRAFO cabinet and internal-structure photographs.
View specificationsTNSJA
Heavy-duty oil-immersed regulation for mining, steel, infrastructure and unstable high-capacity grids.

TNSJA
The TNSJA 2500kVA three phase oil immersed voltage stabilizer offers reliable performance with a 300-450V input range, 380V/400V/415V output, and ±2%/±3% accuracy. It is CE and IEC60076 certified for industrial applications.
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1500kVA
CYTRAFO TNSJA 1500kVA three-phase oil-immersed voltage regulator features 380V/400V/415V output, \u00b12%/\u00b13% accuracy, and CE/IEC60076 certification.
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TNSJA
The TNSJA heavy duty oil immersed voltage regulator offers 300kVA to 1250kVA capacity with three phase 380V/415V output. Ideal for steel workshops, it features a 300-450V input range and CE certification.
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TNSJA
The TNSJA series three-phase oil-immersed voltage stabilizer offers 100kVA to 4000kVA capacity with 380V/400V/415V output, delivering high precision for heavy-duty industrial power regulation.
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TNSJA
TNSJA 200kVA three phase oil immersed voltage stabilizer features 100% copper coil, 300-450V input range, and CE certification for reliable power.
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TNSJA
Twin TNSJA oil-immersed voltage stabilizer units shown in the supplied workshop installation photograph.
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TNSJA
TNSJA oil-immersed voltage stabilizer with industrial cabinet and integrated control panel, shown in the supplied product photo.
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TNSJA
TNSJA oil-immersed voltage stabilizer with a digital metering panel, shown in the supplied CYTRAFO product photograph.
View specificationsSG / SBK
Complementary three-phase transformer models for voltage conversion, isolation and industrial control systems.

SG
SG three-phase dry-type transformer protective cabinet with digital instruments, shown in the supplied CYTRAFO product photo.
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SG
SG 30kVA three-phase dry-type transformer in a compact wheeled enclosure, shown in supplied CYTRAFO product images.
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SG
SG 500kVA three-phase dry-type transformer cabinet shown in the supplied workshop product photograph.
View specificationsRelated products
Complementary solutions for voltage conversion, isolation and machine power systems.
SG / SBKSG / SBK
Low-voltage isolation and voltage-conversion products offered as a complementary power solution.