Reliable, Cost-Effective Power Distribution Solution for Overhead Networks
The 25 kVA Single Phase Pole Mounted Overhead Distribution Transformer is one of the most widely used distribution transformers in modern electrical grids. Designed for overhead power distribution systems, this transformer steps down medium voltage electricity to standard low voltage levels, ensuring safe, stable, and efficient power delivery to end users.
With primary voltage options of 7.2kV, 12.47kV, and 13.8kV and a secondary voltage of 120/240V, this transformer is ideal for residential areas, rural electrification projects, small commercial facilities, agricultural applications, and public infrastructure. Its compact pole-mounted design makes it especially suitable for overhead distribution lines where space efficiency, durability, and long service life are critical.
This model is extensively used and exported to the United States, Canada, Guyana, Mexico, Argentina, Brazil, Costa Rica, South Africa, and many other regions worldwide, making it a proven and trusted solution for global power distribution needs.
Product Overview
The 25 kVA single phase pole mounted overhead distribution transformer is an oil-immersed transformer designed for outdoor installation on utility poles. It is engineered to operate reliably under varying environmental conditions, including high temperatures, humidity, wind, and rain.
This transformer offers an excellent balance between performance, durability, and cost efficiency. It is particularly popular among power utilities, EPC contractors, electrical distributors, and infrastructure developers who require a standardized yet customizable distribution transformer solution.
Key advantages include:
Proven design for overhead distribution networks
Multiple primary voltage options
Standard 120/240V secondary output
High efficiency and low losses
Minimal maintenance requirements
Long operational lifespan
Compliance with international standards
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Power | 25 kVA |
| Phase | Single Phase |
| Installation Type | Pole Mounted, Overhead |
| Primary Voltage Options | 7.2kV / 12.47kV / 13.8kV |
| Secondary Voltage | 120/240V |
| Frequency | 50Hz / 60Hz |
| Cooling Method | Oil Immersed, ONAN |
| Insulating Oil | High-grade mineral oil |
| Standards | ANSI / IEEE / IEC |
| Certifications | CE, UL, CSA (available) |
How a 25 kVA Pole Mounted Transformer Works
In an overhead distribution system, electricity is transmitted at medium voltage levels to reduce power losses over long distances. The 25 kVA single phase pole mounted transformer is installed near the point of consumption, where it reduces the voltage to a safe and usable level.
The transformer receives medium voltage electricity (7.2kV, 12.47kV, or 13.8kV) through its primary winding and delivers low voltage electricity (120/240V) through its secondary winding. This ensures consistent power delivery while protecting downstream electrical equipment and users.
Typical Applications
This transformer is widely used in a variety of applications, including:
Residential power distribution
Rural electrification projects
Small commercial buildings
Agricultural facilities and irrigation systems
Street lighting and public utilities
Remote and off-grid power networks
Because of its reliability and flexibility, the 25 kVA single phase transformer is often considered a standard unit in overhead distribution systems.
25 kVA Single Phase Transformer Amps Explained
Many buyers search for “25 kVA single phase transformer amps” to understand current ratings and load capacity.
Based on standard calculations:
At 240V secondary voltage:
25,000 VA ÷ 240V ≈ 104 AmpsAt 120V secondary voltage:
25,000 VA ÷ 120V ≈ 208 Amps
These current values make the transformer suitable for supplying multiple residential loads, lighting circuits, and small commercial equipment without compromising stability or safety.
25 kVA Single Phase Transformer Load Capacity
The 25 kVA single phase transformer load capacity depends on operating conditions, load type, and ambient temperature. While the transformer is rated at 25 kVA, best industry practice recommends operating at 80–90% of rated capacity for continuous loads.
Operating within this range:
Improves energy efficiency
Reduces thermal stress
Extends transformer lifespan
Minimizes maintenance requirements
This makes the transformer ideal for long-term installations where reliability is essential.
25 kVA Single Phase Transformer Fuse Size (General Reference)
Another common search term is “25 kVA single phase transformer fuse size.”
Typical reference values:
Primary side (medium voltage) fuse: usually 3A to 6A
Secondary side protection: selected based on load current and local electrical codes
Final fuse selection should always comply with local utility standards and engineering design requirements. Technical support for fuse coordination can be provided when required.
25 kVA Pole Mounted Transformer Price – What Affects the Cost?
When searching for “25 kVA pole mounted transformer price,” buyers should understand that pricing depends on several factors:
Primary voltage level
Certification requirements (UL, CSA, CE)
Order quantity
Customization options
Packaging and logistics
Factory-Direct Pricing Advantage
As a manufacturer, we offer factory-direct pricing, which means:
No distributor or middleman markup
Competitive project-based quotations
Stable product quality and lead time
Cost savings for bulk orders
25 kVA Single Phase Transformer for Sale – Global Availability
Our 25 kVA single phase transformers for sale are supplied to customers worldwide, including:
United States
Canada
Guyana
Mexico
Argentina
Brazil
Costa Rica
South Africa
Each unit can be manufactured to meet regional grid requirements and utility standards.
Customization Options
To meet different project and regional requirements, the transformer can be customized with:
Primary voltage and tap settings
Bushing configuration
Surge arresters and accessories
Corrosion-resistant coatings
Nameplate language and ratings
Export packaging solutions
Customization ensures compatibility with local electrical systems and long-term operational reliability.
Certifications and Standards Compliance
This transformer can be supplied with the following certifications:
CE Certification
UL Certification
CSA Certification
It is designed and tested according to ANSI, IEEE, and IEC standards, making it suitable for utility and government projects.
Why Choose a 25 kVA Single Phase Pole Mounted Transformer?
Key benefits include:
Proven performance in overhead networks
High efficiency and low losses
Compact and durable design
Easy installation and maintenance
Cost-effective solution for small to medium loads
Global compliance and certification options
Manufacturer Overview – Yawei Transformer
Yawei Transformer is a professional manufacturer specializing in distribution transformers for global markets. With advanced manufacturing facilities, strict quality control systems, and extensive export experience, we provide reliable transformer solutions to customers worldwide.
Our focus on quality, customization, and factory-direct pricing allows us to support utilities, EPC contractors, and distributors with dependable products and long-term value.
Your Trusted Partner for Power Distribution
Whether you are sourcing transformers for a residential development, rural electrification project, or utility network upgrade, the 25 kVA Single Phase Pole Mounted Overhead Distribution Transformer from Yawei Transformer offers the reliability, efficiency, and value you need.
Yawei Transformer
Professional Manufacturer of 25 kVA Single Phase Pole Mounted Overhead Distribution Transformers – Designed for Global Power Networks.
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