Tropical Climate Resistant 50KVA Single Phase 12.47KV to 240V Pole Mounted Transformer for Home Electricity Distribution OEM
50KVA pole transformer for tropical climates. 12.47KV to 240V conversion with copper/aluminum windings. Customizable specs, corrosion-resistant, ideal for residential/commercial power distribution.

The 50kVA Single Phase Pole Mounted Transformer is engineered for reliable power distribution in harsh outdoor environments, especially in tropical and high-temperature regions.
Designed for 12.47kV medium voltage to 240V low voltage conversion, this cylindrical pole-mounted transformer ensures stable electricity supply for residential areas, rural electrification networks, small commercial loads, and utility distribution systems.
Built with advanced insulation systems, anti-corrosion coatings, and optimized thermal management design, it provides long-term performance even under extreme humidity, salt fog, and high ambient temperature conditions.
OEM customization is available for voltage, capacity, frequency, and protection standards according to regional utility requirements.
- Tropical Climate Resistant Design – Special insulation and cooling system optimized for 45°C+ environments
- Stable Power Conversion – Efficient 12.47kV to 240V step-down performance with low energy loss
- High Safety & Explosion Protection – Enhanced pressure relief and flame-retardant insulation oil system
- Anti-Corrosion Outdoor Structure – Zinc-rich coating and sealed tank design for humidity and coastal areas
- OEM Custom Engineering – Voltage, taps, bushings, and mounting structure fully customizable
- Low Maintenance & Long Lifespan – Designed for 20+ years service life in harsh grid conditions
Technical Specifications
| Item | Specification |
|---|---|
| Rated Capacity | 50 kVA |
| Phase | Single Phase |
| Primary Voltage | 12.47 kV (customizable) |
| Secondary Voltage | 240 V (or 120/240V split phase optional) |
| Frequency | 50Hz / 60Hz |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation Class | Class A / Class F optional |
| Temperature Rise | ≤ 55°C / 65°C |
| Impedance | 2% – 5% (customizable) |
| Tank Material | Cold-rolled steel with anti-corrosion coating |
| Mounting Type | Pole-mounted outdoor structure |
| Insulation Oil | Mineral oil / biodegradable oil optional |
| Protection Standard | IP54 / IP65 optional |
| Standard Compliance | IEC (customizable) |
| Operating Temperature | -25°C to +55°C (tropical reinforced design available) |






Market Problems & Our Solutions
Market Challenges:
- High ambient temperature causes transformer overheating and insulation aging
- Coastal humidity leads to corrosion and tank leakage
- Voltage instability in rural electrification networks
- Risk of fire or insulation breakdown under heavy load conditions
- Frequent maintenance requirements increase operational cost
Our Engineering Solutions:
- Enhanced Thermal Design System
Optimized oil circulation and heat dissipation structure ensures stable operation even in 50°C environments. - Anti-Explosion Safety Design
Equipped with pressure relief devices and flame-retardant insulation materials to prevent internal fault explosion risks. - Moisture & Corrosion Protection
Fully sealed tank with epoxy powder coating and galvanized hardware to resist salt fog and humidity. - Stable Voltage Regulation
Precision winding technology ensures stable output voltage for sensitive residential and industrial loads. - Low Maintenance Architecture
Long-life insulation oil and sealed structure significantly reduce maintenance frequency in remote areas.
FAQ
Q1: Can this transformer operate in high-temperature tropical climates?
Yes. It is specially designed for tropical regions with ambient temperatures up to 55°C, using enhanced cooling and insulation systems.
Q2: Can you customize voltage for different countries?
Yes, we provide full OEM customization including 11kV, 12.47kV, 13.2kV primary and 120V/240V secondary configurations.
Q3: Is it suitable for rural electrification projects?
Absolutely. It is widely used in rural distribution networks, especially in Africa, Southeast Asia, and Latin America.
Q4: How do you ensure safety against fire or explosion risks?
We use pressure relief valves, flame-retardant insulation oil, and reinforced tank design to minimize internal fault risks.
Q5: What is the expected service life?
Under proper operation, the transformer has a service life of over 20 years with minimal maintenance.
Q6: Do you support OEM branding and project customization?
Yes. We provide full OEM/ODM services including labeling, design standards, and packaging for EPC and utility projects.
Company Introduction
We are a professional manufacturer of power transformer solutions, specializing in custom-engineered distribution transformers for global electrical infrastructure projects.
Our factory focuses on delivering reliable and cost-effective transformer systems for utilities, EPC contractors, renewable energy systems, industrial plants, and rural electrification projects.
With strong engineering capability and international project experience, we provide a full range of transformer products including:
- Pole-mounted distribution transformers
- Pad-mounted transformers
- Oil-immersed transformers
- Dry-type transformers
- Auto-transformers and customized solutions
We emphasize quality manufacturing, strict testing standards, and OEM flexibility, ensuring compliance with IEC, ANSI, and other international standards.
At www.hentgpower.com, we are committed to supporting global partners with stable, efficient, and durable power transformation solutions.
Request a customized quotation today for your power distribution project.
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