Shanghai Toppower-Asia Co., Ltd. | Reliable Power Transformers & Generators Manufacturer
HQ: Yangpu, Shanghai, China | Factory: Wuxi, Jiangsu, China

Our Premium Product Collection

Explore our high-efficiency, reliable, and certified power solutions designed for industrial, commercial, and residential applications worldwide.

50kVA Step Down / Step Up 3 Phase Transformer Low Voltage

50kVA Step Down / Step Up 3 Phase Transformer

High-efficiency 480V to 220V dry type electrical isolation power transformer for superior industrial power supply protection.

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10-300KVA Dry Type Low Voltage Phase Transformer Low Voltage

10-300KVA Dry Type Low Voltage Phase Transformer

CE Certified 50/60HZ transformer designed for heavy-duty industrial machinery requiring stable 3 to 1 phase conversion.

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15kVA - 30kVA 3 Phase Isolation Transformer Low Voltage

15kVA - 30kVA 3 Phase Isolation Transformer

High-performance 380V to 220V step-down isolation transformer providing reliable low voltage distribution.

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11KV 500KVA - 1500KVA Power Transformer MV / HV

11KV 500KVA - 1500KVA Power Transformer

Durable medium to high voltage power transformer, ideal for substations and electrical grid optimization with competitive pricing.

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25MVA 220KV/22KV Large-Scale Transformer MV / HV

25MVA 220KV/22KV Large-Scale Transformer

Energy-saving and environmentally friendly high-quality factory-priced transformer engineered for large-scale energy systems.

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37.5 kVA Dual Voltage Single Phase Pad Mount MV / HV

37.5 kVA Dual Voltage Pad Mount Transformer

Safe and compact single phase pad-mounted design suitable for public installations and underground power distribution networks.

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1000 MVA Oil Immersed Power Transformer Power

1000 MVA Oil Immersed Power Transformer

Advanced 3-Phase oil-immersed power transformer offering exceptional cooling efficiency and reliable continuous operation.

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10kV 13.8kV American Substation Transformer Power

10kV 13.8kV American Substation Transformer

ZGS-11 pad mounted substation transformer (500kVA to 1000kVA) tailored for highly efficient and robust power transmission.

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250KVA 10.5KV/0.4KV Distribution Transformer Power

250KVA 10.5KV/0.4KV Distribution Transformer

50Hz Dyn11 oil-immersed distribution transformer perfectly designed for stable and safe localized community power supply.

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30KVA High Precision 3-Phase Servo Stabilizer Stabilizer

30KVA High Precision 3-Phase Servo Stabilizer

Pitbull Hinorms TNS-30KVA automatic AC voltage regulator featuring a bright LED display and 100% pure copper winding.

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2000KVA - 3500KVA Static Voltage Stabilizer Stabilizer

2000KVA - 3500KVA Static Voltage Stabilizer

Heavy-duty static voltage stabilizer providing ultra-fast response for sensitive industrial manufacturing equipment.

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50kVA - 200kVA Three Phase Voltage Stabilizer Stabilizer

50kVA - 200kVA Three Phase Voltage Stabilizer

Robust voltage regulation designed for extreme working conditions with highly customizable outputs from 110V to 440V.

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380V to 220V Output Transformer 40kVA Three Phase Low Voltage

380V to 220V Output Transformer 40kVA Three Phase

High-quality 380V to 220V 40kVA three phase step down transformer for industrial power supply and electrical isolation.

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5kVA-20kVA 3 Phase Step Up/Down Transformer Low Voltage

5kVA-20kVA 3 Phase Step Up/Down Transformer

Versatile step up/down transformer with enclosure, supporting voltages ranging from 208V up to 600V for reliable operation.

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5kVA-25kVA 3 Phase to Single Phase Isolation Transformer Low Voltage

5kVA-25kVA 3 Phase to Single Phase Isolation Transformer

Efficient 380V to 220V auto dry type isolation transformer designed to seamlessly convert 3 phase power to single phase.

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CE 10-300KVA Step Up Transformer 220V to 380V 3 Phase Low Voltage

CE 10-300KVA Step Up Transformer 220V to 380V 3 Phase

CE Certified 50/60HZ step up transformer tailored for industrial power supplies that demand robust 3 phase stability.

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CE 50/60HZ Dry Type Low Voltage 3 Phase 380V to 220V Low Voltage

CE 50/60HZ Dry Type Low Voltage 3 Phase 380V to 220V

Durable dry type low voltage transformer engineered to provide safe 380V to 220V conversion for industrial lines.

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CE Dry Type Low Voltage 3 Phase 400V-200V Transformer Low Voltage

CE Dry Type Low Voltage 3 Phase 400V-200V Transformer

CE compliant 50/60HZ dry type transformer optimized for heavy machinery operating on a 400V to 200V step down ratio.

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CE Dry Type Low Voltage 3 Phase Transformer 380V to 220V Low Voltage

CE Dry Type Low Voltage 3 Phase Transformer 380V to 220V

Reliable CE certified transformer delivering precise 380V to 220V step down capacity for 3 phase industrial networks.

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CE 50/60HZ Dry Type Low Voltage 800V-400V 50KVA Transformer Low Voltage

CE 50/60HZ Dry Type Low Voltage 800V-400V 50KVA Transformer

Advanced 50KVA dry type transformer with 800V to 400V ratio, providing exceptional insulation for heavy loads.

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3KVA-50KVA 440V to 380V 3 Phase Dry Type Isolation Transformer Low Voltage

3KVA-50KVA 440V to 380V 3 Phase Dry Type Isolation Transformer

Hot selling factory direct isolation transformer, ensuring safe electric step down from 440V to 380V.

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OEM 600kVA-1000kVA 240V/480V Dry Type Isolation Transformer Low Voltage

OEM 600kVA-1000kVA 240V/480V Dry Type Isolation Transformer

Factory priced heavy-duty ODM/OEM dry type isolation transformer for high capacity 240V/480V applications.

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40kVA-50kVA 480V/220V Low Voltage Dry Type Isolation Transformer Low Voltage

40kVA-50kVA 480V/220V Low Voltage Dry Type Isolation Transformer

Wholesale priced 480V to 220V low voltage dry type electrical isolation transformer for consistent power delivery.

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High Quality 380V to 220V Step Down Isolation Transformer Low Voltage

High Quality 380V to 220V Step Down Isolation Transformer

Compact 10kVA-25kVA low voltage 3 phase power transformer built for precision electrical isolation and safety.

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138kV 50kV 25MVA Power Transformer MV / HV

138kV 50kV 25MVA Power Transformer

Heavy infrastructure power transformer designed for utility scale high voltage transmission up to 138kV.

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200kVA-630kVA 3 Phase MV/HV Transformer 15kV/400V MV / HV

200kVA-630kVA 3 Phase MV/HV Transformer 15kV/400V

Oil-filled electrical transformer providing reliable medium to high voltage stepping for factory distribution rings.

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225kVA-300kVA 13.2kV Pad Mounted Transformer MV / HV

225kVA-300kVA 13.2kV Pad Mounted Transformer

Three phase 50Hz/60Hz pad mounted transformer, delivering highly secure 208V/120V output for commercial complexes.

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3 Phase Step Down 440V to 220V 35kV 3000kVA MV / HV

3 Phase Step Down 440V to 220V 35kV 3000kVA

Outdoor dry type current transformer (1a/5a) built for extreme environmental conditions and heavy energy loads.

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3 Phase 11KV/33kV Step Down Power 100KVA-1000KVA MV / HV

3 Phase 11KV/33kV Step Down Power 100KVA-1000KVA

Efficient 11KV/33kV step down power transformer available across a wide 100KVA to 1000KVA capacity range.

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37.5 kVA Dual Voltage Single Phase Pad Mount Transformer MV / HV

37.5 kVA Dual Voltage Single Phase Pad Mount Transformer

Secure, enclosed single phase pad mount transformer supporting flexible 7200/12470V and 14400/24940V setups.

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400kVA Cast Resin Dry Transformer 480V to 345V MV / HV

400kVA Cast Resin Dry Transformer 480V to 345V

Cast resin dry transformer featuring 60Hz aluminium wire configurations for safe 480V to 345V transitions.

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8000 kVA 3 Phase Oil Immersed Power Transformer 110kV MV / HV

8000 kVA 3 Phase Oil Immersed Power Transformer 110kV

Massive 8000 kVA oil immersed power transformer providing robust 110kV phase stepping with a competitive price advantage.

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American Standard 500KVA 35KV 0.4KV Three Phase Dry Type MV / HV

American Standard 500KVA 35KV 0.4KV Three Phase Dry Type

High-specification American standard 35KV to 0.4KV three phase dry type transformer for reliable power distribution.

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American Standard 10-50000KVA Medium/High Voltage 33/11KV MV / HV

American Standard 10-50000KVA Medium/High Voltage 33/11KV

Industrial 50/60HZ three phase transformer scaling up to 50000KVA for extensive medium and high voltage networks.

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10kVA-250kVA Single Phase Pole Mounted Transformer 7.2kV Power

10kVA-250kVA Single Phase Pole Mounted Transformer 7.2kV

Weather-resistant single phase pole mounted distribution transformer designed for resilient overhead networks.

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10kW-40KVA 220V/240V to 110V/120V Single Phase Isolation Power

10kW-40KVA 220V/240V to 110V/120V Single Phase Isolation

Single phase isolation transformer converting 220V-240V inputs into highly stable 100V-120V current limits.

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15KVA-30KVA 380V to 220V Auto Dry Type Isolation Transformer Power

15KVA-30KVA 380V to 220V Auto Dry Type Isolation Transformer

Robust 3 phase to single phase auto dry type isolation transformer crafted for continuous 380V to 220V stepping.

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15kVA-250kVA Single Phase Pad Mounted Transformer Power

15kVA-250kVA Single Phase Pad Mounted Transformer

Aesthetic and secure single phase pad mounted transformer suitable for public and residential distribution.

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2000 KVA 35kV Aluminum Oil Immersed Power Transformer Power

2000 KVA 35kV Aluminum Oil Immersed Power Transformer

Fluid-filled three phase power distribution transformer with aluminum winding for cost-effective 35kV transmission.

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3 Phase S11-10KV-3 Custom Transformer 11/0.4kV 800KVA Power

3 Phase S11-10KV-3 Custom Transformer 11/0.4kV 800KVA

Custom engineered 800KVA oil-immersed power transformer providing steady 11kV to 0.4kV step up/down capabilities.

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3 Phase Oil Immersed Distribution HV Transformer 8000kVA 110kV Power

3 Phase Oil Immersed Distribution HV Transformer 8000kVA 110kV

High capacity 8000kVA electrical oil-immersed distribution transformer for robust 110kV HV integration.

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3000kVA High Voltage 3-Phase Pad Mount Transformer Power

3000kVA High Voltage 3-Phase Pad Mount Transformer

3000kVA pad mount flyback transformer offering outstanding high voltage protection for 50Hz operations.

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33kV/35kV Power Distribution Transformer 380V/208V Output Power

33kV/35kV Power Distribution Transformer 380V/208V Output

Adaptable power distribution transformer managing up to 220kV inputs with stable 380V and 208V outputs.

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34.5kV/13.8kV Pad Mounted Transformer 500kVA-2MVA Power

34.5kV/13.8kV Pad Mounted Transformer 500kVA-2MVA

Three phase live/dead front pad mounted transformer leveraging flyback topology for maximum efficiency.

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10KVA-50KVA Single Phase AC Automatic Voltage Regulator Stabilizer

10KVA-50KVA Single Phase AC Automatic Voltage Regulator

Advanced AVR stabilizer buffering a broad input of 90-260V to protect vital equipment against AC fluctuations.

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20kVA/30kVA 220V 3 Phase Automatic Voltage Stabilizer Stabilizer

20kVA/30kVA 220V 3 Phase Automatic Voltage Stabilizer

AC servo power supply unit featuring AVR voltage servo technology for precise 3 phase 220V stabilization.

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AC Auto Power Regulator Stabilizer TND/SVC 5000VA Stabilizer

AC Auto Power Regulator Stabilizer TND/SVC 5000VA

High precision 5kVA electric protecting regulator built to easily manage 90V/110V/220V/250V spikes.

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Servo Motor Voltage Regulator Stabilizer 10kVA-200kVA Stabilizer

Servo Motor Voltage Regulator Stabilizer 10kVA-200kVA

Automatic AC current type servo motor voltage regulator keeping three phase 220V/380V lines uninterrupted.

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3 Phase 380V 15KVA-80KVA Automatic Voltage Regulator Stabilizer

3 Phase 380V 15KVA-80KVA Automatic Voltage Regulator

Competitively priced automatic voltage regulator delivering flawless 380V stability for delicate operations.

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AVR AC/DC Power Stabilizer 220V/380V 3 Phase Stabilizer

AVR AC/DC Power Stabilizer 220V/380V 3 Phase

High performing 3 phase automatic voltage regulators managing AC/DC power stability for industrial usage.

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Factory Direct 10kVA-100kVA Three Phase AVR Stabilizer Stabilizer

Factory Direct 10kVA-100kVA Three Phase AVR Stabilizer

Direct supply 380V AC voltage stabilizer, using AVR technology to correct surges and voltage drops instantly.

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TNS 20kW/30kVA 3-Phase Voltage Stabilizer LED Display Stabilizer

TNS 20kW/30kVA 3-Phase Voltage Stabilizer LED Display

Factory hot product featuring an LED display and pure copper material for top-tier 50Hz regulation.

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6KVA/10KVA Three Phase AVR Automatic Voltage Stabilizer Stabilizer

6KVA/10KVA Three Phase AVR Automatic Voltage Stabilizer

High standard 50/60HZ three phase AVR equipped with premium copper winding and interactive LED monitoring.

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Download Product Catalogue (PDF)

Contains full technical specifications and certification details.

Comprehensive Guide to Industrial Power Transformers & Voltage Stabilizers

As global industries expand, the demand for stable, efficient, and reliable power distribution is paramount. Shanghai Toppower-Asia Co., Ltd. stands at the forefront of engineering, manufacturing, and exporting premium power management equipment designed to meet the rigorous demands of modern infrastructure.

Advanced Power Management Systems

Our extensive portfolio encompasses a wide spectrum of power management devices, primarily focusing on low to medium/high voltage (MV/HV) applications. We engineer robust Dry-Type and Oil-Immersed Transformers, ranging from standard 10kVA units to massive 8000kVA infrastructure solutions.

Voltage fluctuation is a leading cause of industrial equipment failure. To combat this, our High-Precision Three-Phase Servo Motor Voltage Stabilizers ensure that sensitive CNC machinery, medical equipment, and telecommunications hubs receive a constant, unyielding power supply regardless of grid instability.

Industrial Power Transformer and Voltage Regulator Application

Uncompromising Manufacturing Excellence

Located in Wuxi, Jiangsu, China, our state-of-the-art production facility adheres to strict IEC, ISO, and CE international standards. We utilize premium materials, including 100% pure copper windings and advanced silicon steel cores, to minimize no-load losses and maximize energy efficiency.

  • Global Standards: CE certified and compliant with rigorous IEC specifications.
  • Custom OEM/ODM: Tailored voltage inputs/outputs (e.g., 380V to 220V, 11kV to 400V) and specific frequency requirements (50Hz/60Hz).
  • Durable Enclosures: Pad-mounted and pole-mounted options designed for harsh outdoor and indoor environments.
Toppower-Asia Transformer Factory Production Line Toppower-Asia Advanced Manufacturing Facility, Wuxi, China

Frequently Asked Questions (FAQ)

Find answers to the most common queries regarding our industrial transformers and voltage regulation solutions.

Standard production typically ranges from 15 to 30 days depending on the capacity and specific customization requirements (such as unique voltage ratios or specialized enclosures). We work closely with clients to meet project deadlines.
Yes. Our three-phase AC automatic voltage regulators (AVR) scale up to 3500kVA, making them perfectly suited to handle entire facility loads, protecting all downstream industrial equipment from voltage spikes and sags.
As an experienced exporter, we handle comprehensive international shipping logistics. While physical installation is typically handled by local contractors, we provide detailed technical manuals, wiring diagrams, and online engineering support.

Download Product Specifications

Access full technical parameters, dimensions, capacity charts, and wiring diagrams for our complete range of low/medium voltage transformers and stabilizers.

Download PDF Catalogue

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