30kVA Three Phase Dry Type Isolation Transformer for Industrial Power Protection
Voltnex Power 30kVA Three Phase Isolation Transformer is a high-performance dry type power transformer designed to provide reliable electrical isolation, voltage conversion and power quality improvement for industrial equipment, CNC machines and automated production systems.
As a professional China transformer manufacturer and factory supplier, Voltnex Power specializes in designing and manufacturing industrial electrical transformers for global customers. This 30kVA isolation transformer combines advanced dry type construction, high-quality insulation materials and flexible voltage configurations to meet different industrial power requirements.
The transformer supports customized voltage options including 208V, 220V, 380V, 400V, 440V and 480V, making it suitable for different international electrical systems in North America, South America, Europe, Australia and other regions.
With stable performance, low maintenance requirements and excellent electrical protection characteristics, this transformer is widely used for:
- CNC machining equipment
- Industrial automation systems
- Manufacturing production lines
- Electrical control cabinets
- Precision equipment
- Factory power distribution systems
Product Overview
The 30kVA three phase dry type isolation transformer is designed to separate the input power source from the output load while maintaining stable voltage transmission.
Compared with standard transformers, isolation transformers provide additional electrical protection by reducing electrical noise, minimizing interference and improving the safety of connected equipment.
This makes them especially suitable for industrial environments where power stability is critical.
Typical applications include:
- CNC machines requiring clean power supply
- PLC-controlled automation equipment
- Robotics and production systems
- Industrial testing equipment
- Medical and laboratory devices
- Commercial electrical installations
Main Features of 30kVA Isolation Transformer
1. Three Phase Dry Type Construction
The transformer adopts dry type technology without oil insulation, providing a safer and cleaner solution for indoor industrial applications.
Advantages:
✓ No oil leakage risk
✓ Low maintenance requirement
✓ High operational safety
✓ Suitable for factories and workshops
✓ Environmentally friendly design
2. Reliable Electrical Isolation
The main function of an isolation transformer is to provide electrical separation between the input power source and connected equipment.
Benefits include:
✓ Protection against electrical interference
✓ Improved equipment safety
✓ Reduced harmonic disturbance
✓ Stable power output
✓ Better protection for sensitive electronics
3. Flexible Voltage Configuration
Different countries and industrial projects require different voltage standards.
Voltnex Power provides customized voltage solutions:
Input Voltage:
- 208V
- 220V
- 380V
- 400V
- 440V
- 480V
Output Voltage:
- Customized according to customer requirements
Frequency:
- 50Hz
- 60Hz
Applications of 30kVA Industrial Isolation Transformer
CNC Machine Power Supply Solution
CNC machines require stable and clean electrical power to ensure machining accuracy and protect internal control systems.
The 30kVA isolation transformer helps:
✓ Improve voltage stability
✓ Reduce electrical noise
✓ Protect CNC controllers
✓ Extend equipment service life
✓ Support continuous industrial operation
Applications:
- CNC machining centers
- Milling machines
- Laser cutting equipment
- Precision processing equipment
Industrial Automation Systems
Modern factories rely on automated equipment requiring reliable power quality.
Suitable for:
- PLC systems
- Robotic equipment
- Assembly lines
- Factory automation systems
- Industrial control panels
Manufacturing Equipment
The transformer provides dependable power protection for:
- Production machinery
- Testing equipment
- Packaging machines
- Industrial workshops
- Manufacturing plants
Technical Specification of 30kVA Three Phase Isolation Transformer
| Parameter | Reference Specification |
|---|---|
| Model | 30kVA Three Phase Dry Type Isolation Transformer |
| Product Type | Industrial Electrical Isolation Transformer |
| Rated Power | 30kVA |
| Phase | Three Phase |
| Input Voltage | 208V / 220V / 380V / 400V / 440V / 480V Customized |
| Output Voltage | Customized According to Customer Requirements |
| Frequency | 50Hz / 60Hz |
| Cooling Method | Air Cooling (AN) |
| Insulation Class | Class F / Class H |
| Protection Class | IP20 / IP23 / IP54 Optional |
| Winding Material | Copper / Aluminum Optional |
| Manufacturing Standard | IEC 60076 |
| 应用 | CNC Machines, Industrial Equipment, Automation Systems, Manufacturing Facilities and Commercial Power Applications |
Transformer Design and Manufacturing Structure
Voltnex Power focuses on industrial transformer engineering and customized manufacturing.
The 30kVA transformer can be customized according to:
Electrical Design
- Voltage ratio
- Frequency requirements
- Connection method
- Insulation level
- Load characteristics
Mechanical Design
- Cabinet enclosure
- Protection level
- Installation method
- Terminal configuration
- Dimensions
Material Options
Available options:
- Copper winding
- Aluminum winding
- Customized insulation materials
- Different protection structures
Cabinet and Protection Options
For different installation environments, Voltnex Power provides multiple enclosure solutions.
Optional protection:
| Customization Item | Available Options |
|---|---|
| Voltage Configuration | 208V, 220V, 380V, 400V, 440V, 480V or Customized Voltage |
| Transformer Structure | Open Type, Cabinet Type, Custom Enclosure Design |
| Protection Level | IP20 / IP23 / IP54 Customized Protection |
| Winding Option | Copper Winding or Aluminum Winding |
| OEM Service | OEM Label, ODM Design, Customized Production |
Cabinet customization options:
✓ Steel enclosure
✓ Ventilation design
✓ Cable entry configuration
✓ Customized dimensions
✓ Customer logo and branding
OEM & ODM Transformer Manufacturing Service
Voltnex Power supports global distributors, engineering companies and industrial customers with customized transformer manufacturing.
OEM/ODM services include:
✓ Customized transformer design
✓ Customer voltage requirements
✓ Product labeling
✓ Technical documentation
✓ Batch production
✓ Export packaging
Whether you require a standard 30kVA isolation transformer or a fully customized industrial power solution, our engineering team can provide professional support.
Quality Control and Testing
Every transformer is inspected before shipment to ensure reliable performance.
Testing procedures include:
| Testing Item | Purpose |
|---|---|
| Insulation Resistance Test | Verify electrical insulation performance and safety |
| Voltage Ratio Test | Confirm accurate voltage conversion performance |
| No Load Test | Check transformer operating characteristics |
| Load Test | Evaluate transformer performance under working conditions |
| Appearance Inspection | Ensure manufacturing quality and product appearance |
Why Choose Voltnex Power?
Professional China Transformer Manufacturer
Voltnex Power specializes in:
- Dry Type Transformers
- Isolation Transformers
- Industrial Power Transformers
- Voltage Stabilizers
- Power Quality Equipment
We provide complete transformer solutions from design and manufacturing to export delivery.
Factory Direct Supply
Working directly with Voltnex Power provides:
✓ Competitive factory pricing
✓ Short production lead time
✓ Technical communication
✓ Customized solutions
✓ Reliable after-sales support
Global Industrial Transformer Supply
Voltnex Power supplies industrial customers worldwide, including:
North America:
- USA
- Canada
South America:
- Brazil
- Argentina
- Guyana
Other Markets:
- Australia
- Europe
- Middle East
- Southeast Asia
Our transformers are used by:
- Industrial equipment manufacturers
- Electrical contractors
- Automation companies
- Machine builders
- Project suppliers
Shipping and Export Support
Voltnex Power provides professional export service:
✓ Export documentation
✓ Technical datasheet
✓ Packing solution
✓ Sea transportation support
✓ OEM order support
We help customers purchase industrial transformers directly from China with reliable delivery solutions.
Frequently Asked Questions
What is a 30kVA isolation transformer used for?
A 30kVA isolation transformer is mainly used to provide electrical isolation, improve power quality and protect industrial equipment such as CNC machines, automation systems and precision devices.
Can you customize the transformer voltage?
Yes. Voltnex Power provides customized voltage combinations including 208V, 220V, 380V, 400V, 440V and 480V.
Is this transformer suitable for CNC machines?
Yes. The 30kVA dry type isolation transformer is commonly used for CNC machines and industrial equipment requiring stable and clean power supply.
Do you manufacture transformers in China?
Yes. Voltnex Power is a China-based transformer manufacturer providing factory direct OEM and ODM production.
What is the minimum order quantity?
MOQ depends on transformer specifications and customer requirements. Contact our sales team for project evaluation.
Request a Quote for 30kVA Industrial Isolation Transformer
Looking for a reliable 30kVA Three Phase Dry Type Isolation Transformer Manufacturer in China?
Voltnex Power provides customized industrial transformer solutions for CNC machines, automation systems and electrical equipment worldwide.
Contact us for:
✓ Technical datasheet
✓ Transformer quotation
✓ Customized specifications
✓ OEM manufacturing
✓ Global delivery support
Voltnex Power — Professional Industrial Transformer Manufacturer & Power Solution Provider from China.
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