25 kVA Overhead Distribution Transformer Features
This compact 25 kVA single-phase overhead transformer is engineered for 13.2 kV input and 120/240 V split-phase output, making it an optimal solution for rural homes, small-scale agricultural systems, solar microgrids, and utility line extensions. Widely adopted across the United States, Canada, Argentina, Mexico, Peru, and Jamaica, it supports reliable low-voltage delivery in remote or developing power networks.
Each unit is built with cold-rolled grain-oriented silicon steel cores, heavy-gauge copper windings, and filled with refined mineral oil for safe insulation and effective thermal regulation. With a 55/65°C dual temperature rise rating, this transformer balances long-term performance with energy efficiency under varying load demands.
The enclosure is designed for pole-mounted outdoor installation, using a corrosion-resistant finish and a fully sealed, tamper-proof structure that withstands harsh climates including high humidity and UV exposure. Standard split-phase output supports typical residential voltage applications, while alternate voltage combinations are available upon request.
Compliant with key regional and international standards, this model is certified to ANSI C57.12, IEEE, UL, CE, CSA, and DOE 10 CFR Part 431 energy conservation regulations. Third-party testing ensures consistent quality, making it suitable for government tenders, EPC utility contractors, and off-grid power developers.
Backed by a certified transformer factory with a strong track record in export logistics, this 25 kVA overhead unit is ready for bulk supply and OEM branding. With fast lead times and multilingual technical support, it's an ideal product for customers throughout North and South America seeking a dependable distribution transformer at factory-direct pricing.
25 kVA Overhead Distribution Transformer | Single-Phase Oil-Filled Utility Pole Mount Technical Specs
| RATED POWER | 25 kVA Customization (15-330KVA) | INSULATION LEVEL | HV: Lightning Impulse 60 kV / AC 28 kV; LV: AC 3 kV |
|---|---|---|---|
| Application | Single-Phase Overhead Distribution Transformer for Outdoor Pole Mounting | Temperature Rise Limits | Oil Temperature Max 55°C or 65°C (CSA/ANSI compliant) |
| Number of Phases | Single-Phase | Ambient Temperature Range | -40°C to +50°C (standard; optional for altitudes up to 1500m) |
| Frequency | 60 Hz (standard for Americas), 50 Hz optional | Protection Rating | IP00 standard; Optional IP20/IP23 enclosures available |
| High Voltage (HV) | 7.2 / 7.62 / 13.2 / 13.8 kV (customizable) | Acoustic Noise Level | ≤ 48 dB at 1 meter distance |
| Low Voltage (LV) | 120/240 V Split-Phase (North America); 220/127 V or 380/220 V (South America) | Mounting Method | Single Pole or Double Pole, Vertical or Horizontal installation |
| Connection Group | Dyn11, Yyn0, Split-Phase (custom configurations per utility requirements) | Cooling Medium | Mineral Oil, Silicone Oil, or Natural Ester (compliant with IEC 60296) |
| Vector Group Standards | IEC 60076, ANSI C57.12.00, GOST 11677 | Tank Material & Finish | Corrugated steel or galvanized steel tank with corrosion resistant coating |
| Cooling Type | ONAN (Oil Natural Air Natural) | Surface Protection | Outdoor-grade powder coating or galvanization for rust resistance |
| Rated Impedance Voltage | 4% standard; customizable between 4–6% for enhanced fault tolerance | Accessories Included | Lifting lugs, oil drain valve, oil level gauge, thermometer, grounding terminals |
| No-Load Loss | ≤ 100 W (ANSI/IEC/GOST measured) | Optional Add-ons | Pressure relief valve, lightning arrester, overload protection relay |
| Load Loss (at 75°C) | ≤ 900 W (per ANSI/IEC standards) | Compliance Standards | ANSI C57, CSA C2.1, IEC 60076, GOST 11677, NBR 5356 |
| No-Load Current | ≤ 2.0% | Certifications | UL, CE, CSA, ISO 9001, ISO 14001, GOST |
| Efficiency | ≥ 98.3% at full load | Service Life Expectancy | 25+ years under normal operation |
| Basic Impulse Level (BIL) | 60 kV HV / 10 kV LV | Warranty | Standard 24 months; extended warranty options available |
| Mounting Hardware | Galvanized pole brackets, mounting plates, insulated line terminals | Regional Availability | USA, Canada, Mexico, Brazil, Argentina, Chile, Colombia, Peru, etc. |
✅ 25 kVA Overhead Distribution Transformer Overview
The 25 kVA single-phase oil-filled overhead transformer is engineered for reliable medium-to-low voltage power conversion, typically stepping down 13.2 kV or 7.2 kV primary voltage to 120/240 V secondary voltage. Designed specifically for utility pole mounting, it supports secure power distribution in residential neighborhoods, rural areas, and light commercial installations across North and South America, including the USA, Canada, Mexico, Brazil, Argentina, and Chile.
✅ 25 kVA Overhead Distribution Transformer Specifications
Built with mineral oil insulation and ONAN (Oil Natural Air Natural) cooling, this transformer meets strict ANSI C57.12 and IEC 60076 standards. It features high-grade grain-oriented silicon steel cores paired with copper or aluminum windings to ensure low losses and high efficiency. Rated for a 55°C temperature rise, it's optimized for outdoor durability and stable performance in varied climates.
✅ 25 kVA Overhead Distribution Transformer Amperage
Operating with a 13.2 kV or 7.2 kV primary voltage, the transformer delivers approximately 104 A full-load current on the 120/240 V secondary side. This amperage supports residential power needs, small-scale agricultural electrification, telecom infrastructure, and renewable energy off-grid systems throughout diverse markets.
✅ 25 kVA Overhead Distribution Transformer Dimensions and Weight
Compactly designed for overhead pole mounting, the transformer weighs between 180 and 230 kilograms depending on configuration. Typical dimensions are approximately 700 mm (height) × 500 mm (diameter) × 600 mm (length), making it easy to install on standard wooden or metal utility poles.
Learn More:167 KVA Power Pole Transformer | Oil-Filled Overhead Distribution Unit – 13.8kV to 120/240V
✅ 25 kVA Overhead Distribution Transformer Protection and Accessories
Encased in a weather-resistant galvanized steel tank with a corrosion-proof powder coating, this transformer withstands harsh outdoor environments. Standard accessories include lifting lugs, oil drain valves, oil level indicators, grounding terminals, and surge arresters. Optional upgrades such as pressure relief devices and overload protection relays are available to enhance operational safety.
✅ 25 kVA Overhead Distribution Transformer Installation
Suitable for single-pole or double-pole mounting configurations, this transformer supports radial and loop distribution circuits. ENERGY TRANSFORMER offers detailed installation guides, wiring diagrams, and on-site technical assistance to ensure smooth and compliant deployment.
✅ 25 kVA Overhead Distribution Transformer Efficiency and Losses
Designed for energy conservation, this unit complies with DOE 2016 and CSA C802.1 efficiency standards, featuring minimized no-load and load losses. Its optimized magnetic core and insulated winding technology contribute to long-term cost savings and reduced environmental impact.
✅ 25 kVA Overhead Distribution Transformer Certifications
Fully certified to meet ANSI, IEEE, CSA, UL, and IEC international quality and safety standards, this transformer is export-ready for North and South American markets. Rigorous factory testing guarantees product reliability and performance in demanding outdoor applications.
✅ 25 kVA Overhead Distribution Transformer Typical Applications
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Residential electricity distribution in urban and rural settings
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Agricultural and farm power supply
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Small commercial and light industrial power requirements
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Telecom base stations and renewable energy off-grid installations
✅ 25 kVA Overhead Distribution Transformer Voltage Options
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Primary voltage options: 7.2 kV, 13.2 kV (standard); customized voltages available on request
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Secondary voltage options: 120/240 V split-phase (standard for North America), 220/127 V or 380/220 V for South American regions
✅ 25 kVA Overhead Distribution Transformer For Sale
ENERGY TRANSFORMER provides factory-direct 25 kVA pole-mounted transformers with OEM customization, technical support, and competitive pricing. We ship reliably across the Americas, serving key markets including USA, Canada, Mexico, Brazil, Argentina, and Chile.
✅ 25 kVA Overhead Distribution Transformer Pricing
Prices typically range from $900 to $1,400 USD, depending on features, certification levels, and shipping requirements. Contact us for a tailored quotation aligned to your project scope and delivery timelines.
✅ 25 kVA Overhead Distribution Transformer Manufacturers and Wholesale Supply
ENERGY TRANSFORMER is a trusted manufacturer and supplier of UL-listed, CSA-compliant transformers with flexible MOQ and fast turnaround. We support large orders for distributors, contractors, and utilities with OEM branding and custom specifications.
Related Transformer Models
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15 kVA Overhead Pole Transformers
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Custom voltage and kVA ratings available on request
Why Choose the Energy 25 kVA Overhead Distribution Transformer?
The Energy 25 kVA Overhead Distribution Transformer offers dependable single-phase power delivery for small-scale utility networks, rural electrification programs, and off-grid systems across the Americas. Engineered with a 13.2 kV or 7.2 kV primary and a 120/240 V split-phase secondary, this oil-immersed transformer ensures efficient and safe voltage conversion in remote or low-density areas.
Designed for overhead pole installation, it comes in a compact, corrosion-resistant enclosure with mineral oil insulation, ensuring superior cooling and long-term durability in extreme outdoor environments.
Key Advantages:
🔧 Standards-Compliant Manufacturing
Tested and certified to meet ANSI, UL, CSA, IEC, and IEEE requirements for utility-grade performance.
🛠 Installation Versatility
Supports both single-pole and double-pole mounting configurations; adaptable to radial or loop distribution networks.
⚙️ Configurable Design
Available with copper or aluminum windings; customizable primary/secondary voltages and optional accessories like surge arresters or pressure relief valves.
🔇 Low Acoustic Profile
Quiet operation makes it ideal for use in suburban or residential installations.
🌎 Americas-Wide Compatibility
Optimized for use across North and South America, including the U.S., Canada, Mexico, Colombia, Chile, Brazil, and Argentina.
Whether you're extending rural power infrastructure, supporting agricultural loads, or deploying telecom and solar energy networks, the Energy 25 kVA transformer delivers a compact and efficient power distribution solution built to last.
📩 Contact Us Today
Request a quote, check stock availability, or ask about custom-engineered units to meet your project needs.
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