GNEE 30KVA Three-phase Oil Filled Transformers
Jan 29, 2026
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GNEE 30KVA Three-phase Oil Filled Transformers are designed to deliver stable, efficient, and reliable power distribution for small-capacity industrial and commercial applications. As a compact yet robust solution, the 30KVA three-phase oil filled transformer plays a critical role in auxiliary power systems, control circuits, and localized distribution networks.
Within the first stage of system planning, selecting GNEE 30KVA Three-phase Oil Filled Transformers ensures safe voltage transformation, excellent insulation performance, and long-term operational stability. These transformers are engineered to meet diverse installation environments while maintaining consistent output under continuous load conditions.
GNEE is a manufacturer, founded in 2008, specializing in oil filled transformers and industrial power equipment. With strong R&D capability, strict quality control, and OEM/ODM services, we provide 30KVA three-phase oil filled transformers that comply with IEC, GB, and other international standards.
Product Overview of GNEE 30KVA Three-phase Oil Filled Transformers
GNEE 30KVA Three-phase Oil Filled Transformers utilize high-quality insulating oil for both cooling and electrical insulation. This design enhances heat dissipation and dielectric strength, making the transformer suitable for long-term operation.
Key product features include:
- Compact oil-filled tank structure
- High-grade silicon steel core with low losses
- Copper or aluminum windings (optional)
- ONAN cooling for stable temperature control
- These features ensure consistent performance and extended service life.

GNEE 30KVA three-phase oil filled transformer – factory-finished product
Advantages of GNEE 30KVA Three-phase Oil Filled Transformers
Compared with other small-capacity transformers, GNEE 30KVA three-phase oil filled transformers offer several practical advantages:
- Excellent heat dissipation under continuous load
- Strong overload tolerance and voltage stability
- Reliable insulation performance in harsh environments
- Cost-effective solution for small power demands
These advantages make them a preferred choice for industrial auxiliary power and decentralized distribution systems.

Oil tank, radiator, and bushing details of oil filled transformer
Typical Applications of GNEE 30KVA Three-phase Oil Filled Transformers
A GNEE 30KVA three-phase oil filled transformer is widely used in:
- Industrial control panels and automation systems
- Small manufacturing plants and workshops
- Commercial buildings and service facilities
- Pump stations, monitoring, and auxiliary equipment
Its three-phase configuration ensures balanced load distribution and efficient power utilization.
Technical Parameters of GNEE 30KVA Three-phase Oil Filled Transformers
| Item | Specification |
|---|---|
| Rated Capacity | 30 kVA |
| Transformer Type | Three-phase Oil Filled Transformer |
| Rated Voltage (HV) | 6 kV / 10 kV / 11 kV (customizable) |
| Rated Voltage (LV) | 0.4 kV |
| Frequency | 50 / 60 Hz |
| Cooling Method | ONAN |
| Phase | Three-phase |
| Connection Group | Dyn11 / Yyn0 (optional) |
| Insulation Level | IEC / GB compliant |
| Temperature Rise | ≤ 65K |
| Applicable Standards | IEC 60076 / GB / ANSI (optional) |
Why Choose GNEE 30KVA Three-phase Oil Filled Transformers
As an experienced manufacturer, GNEE controls the entire production process-from material selection and core assembly to oil filling and final testing. Our 30KVA three-phase oil filled transformers are designed to meet project-specific voltage ratios, connection groups, and installation conditions.
We focus on delivering reliable products that reduce operational risk and total ownership cost for our customers.
Conclusion
GNEE 30KVA Three-phase Oil Filled Transformers provide a dependable and cost-effective solution for small-capacity three-phase power distribution. With excellent insulation, stable performance, and long service life, they are well suited for industrial and commercial applications.
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