SG 400kVA Three Phase Dry Type Isolation Transformer | High Capacity Industrial Power Transformer for Global Electrical Systems
Voltnex Power SG 400kVA Three Phase Dry Type Isolation Transformer is a high-capacity industrial electrical transformer designed for large factories, manufacturing plants, automation systems, heavy machinery and commercial power distribution applications.
With a rated power of 400kVA, this heavy-duty dry type transformer provides reliable voltage conversion, electrical isolation and stable power delivery for industrial environments requiring continuous operation and high electrical performance.
Compared with standard industrial transformers, the SG 400kVA series is engineered for higher load requirements, improved safety protection and long-term operation in demanding applications.
The transformer supports customized voltage configurations including:
- 110V / 120V AC
- 208V AC
- 220V / 240V AC
- 380V / 400V AC
- 440V AC
- 480V AC
- 575V AC
- 600V AC
Available as:
- Step Down Transformer
- Step Up Transformer
- Industrial Voltage Converter
- Three Phase Isolation Transformer
- Factory Power Distribution Transformer
Voltnex Power provides OEM and ODM transformer solutions with customized voltage design, copper winding options, enclosure solutions and global export capability.
High Capacity Industrial Transformer for Heavy Power Applications
Large industrial facilities require reliable power infrastructure to support high-power equipment, automated production systems and continuous manufacturing operations.
The Voltnex SG 400kVA dry type isolation transformer is designed to deliver:
✓ Stable voltage conversion
✓ Electrical isolation protection
✓ Reduced electrical interference
✓ Improved power quality
✓ High load operating capability
✓ Reliable industrial performance
This transformer is suitable for customers searching for:
400kVA Transformer, 400kVA Dry Type Transformer, 400kVA Isolation Transformer, Three Phase Industrial Transformer and Heavy Duty Power Transformer.
Global Voltage Conversion Solutions
Different countries and industrial markets use different voltage standards.
Voltnex Power designs customized transformer solutions to match regional electrical systems and imported equipment requirements.
The SG 400kVA transformer can be configured for:
North America Voltage Standards
Common applications:
- USA industrial systems
- Canada manufacturing plants
- Mexico factories
Typical configurations:
480V to 208V / 120V Transformer
Used for:
✓ Industrial control systems
✓ Automation equipment
✓ Electrical panels
✓ Commercial facilities
600V to 480V Transformer
Used for:
✓ Canadian industrial applications
✓ Heavy machinery
✓ Large manufacturing systems
480V to 240V Transformer
Suitable for:
✓ Factory equipment
✓ Industrial electrical loads
✓ Production systems
South America Industrial Transformer Solutions
Voltnex Power supplies customized industrial transformers for Brazil, Argentina, Chile, Peru, Colombia and other South American markets.
Common voltage solutions include:
380V to 220V Transformer
Applications:
✓ Factory power supply
✓ Industrial equipment
✓ Production lines
220V / 240V to 380V / 440V Transformer
Applications:
✓ Imported machinery
✓ Manufacturing expansion projects
✓ Industrial voltage conversion
400V to 480V Transformer
Suitable for:
✓ International industrial projects
✓ Heavy electrical equipment
✓ Motor power systems
Australia & International Voltage Applications
For Australia and other international markets, Voltnex Power provides customized transformer configurations according to local electrical requirements.
Typical applications:
✓ Industrial factories
✓ Mining equipment
✓ Automation systems
✓ Commercial electrical projects
Supported voltage options:
- 415V
- 440V
- 480V
- 600V
Step Up & Step Down Transformer Applications
Step Down Transformer
The SG 400kVA transformer can reduce high voltage levels for equipment operation.
Common solutions:
480V → 208V Transformer
For:
- Industrial equipment
- Control systems
- Commercial power supply
600V → 480V Transformer
For:
- Canadian industrial facilities
- Heavy-duty machinery
380V → 220V Transformer
For:
- South American factories
- Industrial applications
Step Up Transformer
The transformer can also increase voltage for specific equipment requirements.
Typical solutions:
220V → 480V Transformer
Applications:
- Imported industrial machines
- Motor systems
- Production equipment
380V → 480V Transformer
Applications:
- International manufacturing systems
- Factory upgrades
Industrial Applications
Factory Power Distribution
The SG 400kVA dry type isolation transformer is widely used in:
✓ Manufacturing plants
✓ Industrial facilities
✓ Assembly factories
✓ Production workshops
✓ Electrical distribution rooms
Providing stable and reliable power for large-scale operations.
Industrial Automation Systems
Suitable for:
✓ CNC machines
✓ Robotic equipment
✓ PLC control systems
✓ Automated production lines
✓ Smart manufacturing equipment
The transformer helps protect sensitive equipment from voltage instability and electrical disturbances.
Heavy Machinery Power Supply
Designed for:
✓ Industrial motors
✓ Processing equipment
✓ Large machinery
✓ Imported electrical equipment
✓ High-power industrial loads
Commercial & Infrastructure Applications
Applications include:
✓ Data centers
✓ Hospitals
✓ Laboratories
✓ Commercial buildings
✓ Renewable energy facilities
✓ Electrical engineering projects
Customized OEM Transformer Manufacturing
Voltnex Power provides complete customization services for global industrial customers.
Available options:
✓ Customized input voltage
✓ Customized output voltage
✓ Copper winding design
✓ Aluminum winding option
✓ Cabinet enclosure
✓ IP20 / IP23 / IP54 protection
✓ 50Hz / 60Hz frequency
✓ OEM nameplate
✓ Custom electrical specifications
Our engineering team supports transformer projects from prototype design to mass production.
Why Choose Voltnex SG 400kVA Isolation Transformer?
⚡ High Efficiency & Reliable Industrial Performance
The SG 400kVA transformer uses optimized electromagnetic design and high-quality materials to achieve:
✓ Lower energy loss
✓ Better thermal performance
✓ Stable output voltage
✓ Long service life
✓ Continuous industrial operation
🛡️ Advanced Safety Protection
Integrated protection system includes:
✓ Short Circuit Protection
✓ Overload Protection
✓ Over Temperature Protection
Optional:
✓ Cabinet protection enclosure
✓ Cooling enhancement
✓ Customized protection systems
🔧 Professional China Transformer Manufacturer
Voltnex Power provides:
✓ Factory direct supply
✓ OEM / ODM manufacturing
✓ IEC standard production
✓ Technical documentation
✓ Global export service
Serving industrial customers worldwide.
Key Technical Specifications
| Parameter | Reference Specification |
|---|---|
| Model | SG 400kVA Three Phase Dry Type Isolation Transformer |
| Rated Power | 400kVA |
| Input Voltage | 110V / 120V / 208V / 220V / 240V / 380V / 400V / 440V / 480V / 575V / 600V Customized |
| Output Voltage | Customized According to Customer Requirements |
| Phase | Three Phase |
| Frequency | 50Hz / 60Hz |
| Cooling Method | Air Cooling (AN) |
| Insulation Class | Class F / Class H |
| Standard | IEC 60076 |
| Application | Industrial Power Distribution, Automation Systems, Heavy Machinery, CNC Equipment and Commercial Electrical Systems |
Frequently Asked Questions (FAQ)
1. What is the difference between a step up and step down transformer?
A step up transformer increases voltage from a lower level to a higher level, while a step down transformer reduces voltage to match electrical equipment requirements.
2. Can you customize transformer input and output voltage?
Yes. Voltnex Power provides customized voltage configurations according to customer requirements, including 110V, 220V, 380V, 400V, 415V, 480V, 600V and 690V systems.
3. What capacity transformers can you manufacture?
We manufacture transformers from small capacity units starting from 1kVA up to industrial transformers exceeding 3000kVA.
4. Are your transformers suitable for imported machines?
Yes. Our step down transformers are widely used for matching imported equipment from Europe, America and Japan with local electrical systems.
5. Do you provide OEM transformer manufacturing?
Yes. We support OEM and ODM manufacturing with customized specifications, appearance, labels and technical requirements.
6. What winding material do you use?
We offer copper winding and aluminum winding options according to customer requirements and application conditions.
7. Are dry type transformers maintenance free?
Dry type transformers require minimal maintenance compared with oil-filled transformers. Regular inspection and cleaning are recommended for long-term operation.
8. What certificates and standards do your transformers follow?
Our transformers are designed according to international standards including IEC 60076 requirements. CE certification and customized compliance documentation are available.
9. What information is needed for transformer quotation?
Please provide:
- Rated capacity (kVA)
- Input voltage
- Output voltage
- Phase number
- Frequency (50Hz/60Hz)
- Installation environment
- Protection level requirement
Our engineers will recommend the suitable transformer solution.
10. What is the delivery time for customized transformers?
Standard models usually require around 2–4 weeks. Customized industrial transformers depend on specifications and production requirements.
Global Supply & After Sales Support
Voltnex Power provides:
📦 Global Fast Shipping
📞 24/7 Technical Support
📄 Datasheet Available Upon Request
🏭 OEM/ODM Manufacturing
🌎 Worldwide Export Service
Supplying reliable 400kVA Industrial Dry Type Isolation Transformer solutions for customers in North America, South America, Australia, Europe and global industrial markets.
Request a Quote
Looking for a reliable 400kVA Three Phase Dry Type Isolation Transformer Manufacturer?
Contact Voltnex Power for:
✓ Customized transformer solutions
✓ Factory direct pricing
✓ Technical specifications
✓ OEM production
✓ Global delivery support
Voltnex Power — Professional Industrial Transformer Manufacturer & Global Power Solution Provider.
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