Safe 400 kva 3 phase transformer price 11kV/0.433kV dry type for Africa rural weak grid high safety low temperature rise operation


The 400 kVA dry type distribution transformer 11kV/0.433kV is designed for safe, stable, and cost-efficient power distribution in rural and weak grid environments.
It is widely used in:
- Africa rural electrification projects
- Small industrial plants & workshops
- Community power distribution systems
- Remote infrastructure and EPC projects
With a dry type oil-free structure, this transformer ensures high safety operation, stable voltage output, and excellent thermal performance, making it ideal for regions with unstable grid conditions and limited maintenance resources.
- High Safety Dry Type Design
Oil-free structure eliminates leakage risk and improves operational safety in rural installations. - Low Temperature Rise Operation
Optimized cooling system ensures stable performance under continuous load. - Strong Adaptability for Weak Grid
Designed for unstable voltage environments common in rural Africa. - Compact & Easy Installation
Suitable for small substations and limited-space rural power rooms. - Low Maintenance Requirement
Ideal for remote areas with limited technical service access.
| Item | Specification |
|---|---|
| Rated Capacity | 400 kVA |
| Primary Voltage | 11 kV |
| Secondary Voltage | 0.433 kV |
| Phase | 3 Phase |
| Frequency | 50/60 Hz |
| Cooling Method | AN / AF (Air Natural / Forced) |
| Insulation Class | Class F / H |
| Vector Group | Dyn11 |
| Impedance Voltage | 4% – 6% |
| Temperature Rise | ≤ 100K |
| Protection Level | IP20 / IP23 |
| Installation Type | Indoor |
| Core Material | Grain Oriented Silicon Steel |
Many rural regions in Africa face challenges such as:
- Unstable grid voltage
- Limited infrastructure maintenance
- Long-distance power transmission loss
- Intermittent electricity supply
These issues can affect the performance of small industries, community services, and rural electrification projects.
✔ Our solution provides:
- ✔ Stable voltage output for rural distribution networks
- ✔ Reliable operation under weak grid conditions
- ✔ Safe dry type design suitable for local environments
- ✔ Reduced maintenance dependency for remote areas
This makes it a cost-effective and reliable transformer solution for rural electrification and EPC contractors.
We are HENTG POWER, a professional manufacturer specializing in power transformers and distribution transformer solutions for global infrastructure and energy projects.
With over 20 years of engineering and manufacturing experience, we supply reliable transformer systems for:
- Rural electrification projects
- EPC contractors & infrastructure developers
- Utility & power distribution companies
- Industrial and commercial power systems
Our product range includes:
- Dry type transformers
- Oil immersed transformers
- Compact substations
- Customized power solutions


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Have questions about our products or want to discuss a custom order? Our team is ready to help you.