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Single Phase Pole Mount Transformer 250kVA 7.2kV Primary 120/240V Secondary
Product Spotlights
A durable 250kVA single-phase transformer designed for overhead distribution, stepping down 7.2kV to standard 120/240V for residential and light commercial use. Features weather-resistant pole-mount construction, high-efficiency design for lower operating costs, and customizable options like winding material and safety devices. Built to comply with common international standards, it offers reliable performance and simplified maintenance for global utility and infrastructure projects.
US$ 5647
≥1 Unit
Key Specifications
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Rated Capacity:
250 kVA
Primary Voltage:
7.2 kV
Secondary Voltage:
120/240 V
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Rated Capacity
250 kVA
Primary Voltage
7.2 kV
Secondary Voltage
120/240 V
Phase
Single
Mounting Type
Pole Mount
Cooling Type
ONAN (Oil Natural Air Natural)
Insulation Class
Class A or higher
Frequency
50 Hz / 60 Hz
Winding Material
Copper or Aluminum (customizable)
Standards Compliance
ANSI/IEEE standards compliant
As a dedicated manufacturer with over a decade of experience, Jinhua Dika Electrical Equipment Co., Ltd. specializes in providing reliable and efficient electrical distribution solutions for global markets. Our Single Phase Pole Mount Transformer, 250kVA, 7.2kV Primary to 120/240V Secondary, is engineered to meet the rigorous demands of utility companies, rural electrification projects, and commercial power distribution. Designed for durability and long-term performance, this transformer ensures stable voltage transformation in diverse environmental conditions, supporting communities and industries with consistent power delivery.
This transformer is a cornerstone of modern electrical infrastructure, particularly in areas requiring single-phase power distribution. Its design focuses on safety, efficiency, and ease of installation, making it an ideal choice for extending grid networks or upgrading existing systems.
Core Product Features & Technical Advantages:
- Robust Construction for Outdoor Durability: The transformer core and windings are housed in a sealed, weather-resistant tank designed to withstand harsh environmental factors such as moisture, UV radiation, and temperature fluctuations. The pole-mounted design elevates critical components, enhancing safety and reducing the risk of vandalism or accidental contact.
- High-Efficiency Performance: Utilizing advanced core steel and precision-engineered windings, this 250kVA unit minimizes no-load and load losses, contributing to lower overall operating costs and reduced energy waste over its extended service life.
- Flexible Configuration Options: We understand that project requirements vary. Key components like bushings, tap changers (available as optional no-load tap changers), and protective devices (like pressure relief valves and liquid level gauges) can be customized to meet specific grid standards or customer specifications.
- Safe and Reliable Operation: The transformer is filled with high-grade dielectric insulating oil, which provides excellent cooling and insulation properties. Safety features are integrated to ensure operational integrity and protect both the equipment and the surrounding infrastructure.
Detailed Technical Specifications:
The following table outlines the standard specifications for this model. Please note that certain parameters are customizable upon request.
| Parameter | Specification |
|---|---|
| Rated Capacity | 250 kVA |
| Primary Voltage (High Voltage) | 7.2 kV |
| Secondary Voltage (Low Voltage) | 120/240 V (Split Phase) |
| Phase | Single Phase |
| Frequency | 50 Hz or 60 Hz (specify) |
| Cooling Type | ONAN (Oil Natural Air Natural) |
| Impedance Voltage | Typically 2-4% (customizable) |
| Winding Material | Copper (Standard) / Aluminum (Optional) |
| Insulation Class | Class A or higher |
| Standards | Designed to comply with ANSI/IEEE standards |
Benefits for Your Project:
- Cost-Effective Distribution: Ideal for serving residential clusters, farms, and small commercial establishments where three-phase power is not required, optimizing infrastructure investment.
- Simplified Installation & Maintenance: The pole-mount design facilitates installation in confined or remote spaces. Its robust construction requires minimal maintenance, reducing long-term service costs.
- Grid Stability: Provides a stable 120/240V output from a 7.2kV distribution line, ensuring compliant and reliable power for end-users, protecting sensitive appliances and equipment.
- Proven Global Compatibility: With specifications aligning with common international distribution voltages, this transformer is suitable for our extensive main markets, including North America, Southeast Asia, Africa, and Oceania.
Our commitment to quality is demonstrated through a rigorous manufacturing process guided by our ISO 9001 quality management system. As an established manufacturer exporting to a wide range of global markets, we have built a reputation for reliability. Our products are shipped from major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, ensuring efficient logistics. Choosing Jinhua Dika means partnering with a supplier dedicated to delivering durable, efficient, and application-specific transformers. We invite you to contact us to discuss your specific requirements, request a detailed quotation, or learn more about our customization options for this 250kVA pole mount transformer.
Frequently Asked Questions (FAQ)
-
Q: What is the typical application for this single-phase pole mount transformer?
A: It is primarily used in overhead distribution lines to step down voltage from a 7.2kV primary line to 120/240V for final distribution to residential homes, small farms, street lighting systems, and rural commercial properties. -
Q: Can this transformer be used in both 50Hz and 60Hz power systems?
A: Yes, the design can be optimized for either 50Hz or 60Hz operation. It is crucial to specify your required frequency during the ordering process to ensure optimal performance. -
Q: What are the available options for winding material?
A: The standard offering features copper windings for superior conductivity and durability. Aluminum windings are available as a cost-effective alternative upon request, suitable for specific budget or application needs. -
Q: Does the transformer come with built-in protective devices?
A: Standard safety features include a pressure relief device and a liquid level gauge. Additional protective devices like lightning arresters or fuse cutouts are available as optional accessories and can be mounted on the tank or supplied separately. -
Q: What is the expected service life of this transformer under normal operating conditions?
A: With proper installation and routine maintenance, these transformers are designed for a service life exceeding 25 years. The longevity is a result of high-quality materials, robust construction, and conservative design parameters. -
Q: Are tap changers available for voltage adjustment?
A: Yes, an optional no-load tap changer can be provided. This allows for minor adjustments to the voltage ratio (typically ±5%) to compensate for variations in the incoming line voltage, ensuring consistent secondary output. -
Q: What documentation and certifications are provided with the transformer?
A: Each unit is supplied with a test report detailing routine tests (such as ratio, polarity, and insulation resistance). Our manufacturing facility operates under an ISO 9001 quality management system, ensuring process control and product consistency. -
Q: What are the main installation considerations for this pole mount unit?
A: Key considerations include ensuring the pole has adequate strength and height, proper grounding of the transformer tank and neutral, correct connection of primary and secondary cables, and maintaining clearances as per local electrical codes. We can provide general installation guidelines.
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1Yr
Business Type
Manufacturer
Annual Export Value
US$1 Million - US$1.5 Million
Total Employees
11 - 50 People
Product Certifications
HACCP, TL900, QS9000, SA8000, ISO9001, ISO9004, ISO17799, ISO9000, ISO14000, ISO10441, ISO16949, TS16969, ISO19011:2000, OHSAS18001, Others
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