Low Maintenance & Easy Access 125KVA 34.5KV to 380V Single Phase Pole Mounted Transformer for Temporary Construction Sites Manufacturer
125KVA pole mounted transformer for temporary construction sites. Features low maintenance sealed design, high-temperature resistance, and explosion prevention. Custom voltage/frequency options available with IEC standards.
The 125kVA Single Phase Pole Mounted Transformer is specifically engineered for temporary construction sites, rural distribution networks, utility extensions, mining projects, and outdoor power applications in high-temperature and harsh environmental conditions. Designed with a compact cylindrical tank structure, this pole-mounted transformer provides reliable voltage conversion from 34.5kV to 380V while ensuring safe, stable, and energy-efficient power distribution.
Manufactured with premium silicon steel cores and high-conductivity copper or aluminum windings, this transformer offers low no-load losses, excellent overload capacity, and long-term operational reliability. Its weather-resistant sealed tank design minimizes maintenance requirements and protects internal insulation oil from moisture contamination, oxidation, and environmental exposure.
The transformer is ideal for utilities, EPC contractors, construction power projects, industrial temporary power stations, and rural electrification programs where dependable outdoor distribution equipment is essential.
Hermetically sealed oil tank structure prevents moisture ingress, reduces oil oxidation, and minimizes routine maintenance requirements for outdoor applications.
Designed for tropical and desert climate regions with enhanced cooling systems and high-grade insulation materials capable of stable operation under high ambient temperatures.
Lightweight cylindrical tank design enables easy transportation, rapid pole installation, and convenient maintenance access in remote project locations.
Reinforced winding structure and mechanical support system improve resistance against sudden load fluctuations and short-circuit impacts.
Equipped with pressure relief devices, surge protection compatibility, anti-explosion structure, and flame-retardant insulation systems for safer outdoor operation.
Low-loss silicon steel core design reduces no-load losses and operating costs while improving overall energy efficiency.
| Item | Specification |
|---|---|
| Product Type | Single Phase Pole Mounted Transformer |
| Rated Capacity | 125kVA |
| Primary Voltage | 34.5kV |
| Secondary Voltage | 380V |
| Frequency | 50Hz / 60Hz |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Installation Type | Pole Mounted |
| Transformer Structure | Cylindrical Oil-Immersed |
| Insulation Class | Class A / Customized |
| Winding Material | Copper / Aluminum Optional |
| Core Material | Cold Rolled Grain Oriented Silicon Steel |
| Vector Group | Customized |
| Tap Changer | Off-circuit Tap Changer |
| Impedance Voltage | Customized |
| Temperature Rise | Standard IEC/ANSI Requirement |
| Protection Level | Outdoor Weather Resistant |
| Oil Type | Mineral Oil / FR3 Insulating Fluid Optional |
| Ambient Temperature | -25°C to +55°C |
| Altitude | ≤1000m (Customizable) |
| Standards | IEC |
| Corrosion Protection | Hot-Dip Galvanized Accessories |
| Tank Material | High Strength Carbon Steel |
| Paint Coating | UV Resistant Outdoor Powder Coating |
| Safety Protection | Pressure Relief Valve / Surge Arrestor Compatible |
| Application | Construction Sites, Utilities, Rural Grid, Mining, Temporary Power |
In many regions such as the Middle East, Africa, Southeast Asia, and tropical countries, transformers often face:
- Extremely high ambient temperatures
- Dust and sand contamination
- Long-term overload operation
- Voltage instability
- High humidity and corrosion
- Fire hazards caused by overheating
- Oil leakage and insulation aging
These conditions significantly reduce transformer lifespan and increase failure risks for EPC projects and utility operators.
We utilize upgraded insulation paper and high thermal endurance insulating oil to ensure stable operation even under continuous high-load conditions in hot climates.
The transformer tank adopts reinforced welding technology with pressure relief protection devices to reduce internal pressure risks caused by abnormal temperature rise.
Optional FR3 environmentally friendly insulating fluid provides better fire resistance and improves operational safety for urban and industrial projects.
Optimized oil circulation pathways and heat dissipation structures improve cooling efficiency and prevent overheating during peak demand periods.
Outdoor anti-corrosion coating and sealed structure prevent moisture penetration, oxidation, and rust problems in coastal and humid regions.
The transformer supports surge arrestor installation and reinforced insulation coordination for unstable grid environments and lightning-prone areas.
Yes. Our pole mounted transformers are specially designed for high-temperature environments with enhanced cooling systems, upgraded insulation materials, and heat-resistant oil solutions suitable for Middle East, Africa, and tropical regions.
Yes. The transformer includes pressure relief protection, reinforced tank structures, and optional flame-retardant insulating fluids to significantly reduce fire and explosion risks.
Absolutely. We provide fully customized transformer solutions including voltage ratings, frequency, impedance, tap changer configurations, and protection accessories according to local utility standards.
Our transformers can be manufactured according to IEC, ANSI, IEEE, DOE, CSA, and other international standards based on project requirements.
Yes. The compact pole-mounted cylindrical design is ideal for temporary construction sites due to its easy installation, low maintenance, and reliable outdoor performance.
Optional accessories include lightning arresters, fuse cutouts, oil level indicators, temperature indicators, pressure relief devices, load break switches, and anti-corrosion upgrades.
HENGTONG POWER is a professional transformer manufacturer and customized power distribution solution provider dedicated to serving global utility companies, EPC contractors, industrial facilities, renewable energy projects, mining operations, and infrastructure developments.
With extensive experience in transformer manufacturing and international project supply, we specialize in delivering high-quality power equipment designed for demanding operating environments. Our product portfolio includes:
- Pole Mounted Transformers
- Pad Mounted Transformers
- Oil Immersed Distribution Transformers
- Dry Type Transformers
- Compact Substations
- Power Transformers
- Auto Transformers
- Renewable Energy Transformers
- Customized Electrical Distribution Solutions
Our factory integrates advanced production equipment, precision testing systems, and strict quality management processes to ensure every transformer meets international technical and safety standards.
We focus on:
- Custom engineering solutions
- Stable product quality
- Fast delivery capability
- OEM & ODM manufacturing
- International standard compliance
- High-temperature resistant transformer technology
- Energy-efficient low-loss transformer design
Our transformers are widely exported to Southeast Asia, Africa, the Middle East, South America, and other international markets where reliable power distribution equipment is critical for infrastructure growth and industrial development.
We are committed to helping global partners improve power reliability, reduce operating costs, and achieve long-term project success through dependable transformer solutions and professional technical support.
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