What Is a Pole-Mounted Distribution Transformer?

A Pole-Mounted Distribution Transformer is an electrical device designed to step down high-voltage electricity to a lower voltage suitable for homes, small businesses, or light industrial use. Installed directly on utility poles, these transformers operate using electromagnetic induction, transferring energy between primary (high voltage) and secondary (low voltage) windings without any physical connection.

Single Phase Pole Mounted Transformer Drawing

Pole-mounted transformers are commonly used in areas with overhead power lines, especially in rural and suburban settings where compact design and easy accessibility are essential.

Why Use a Pole-Mounted Distribution Transformer?

Pole-mounted transformers are simple, reliable, and cost-effective, making them an ideal solution for low to moderate load areas. Their elevated installation keeps them safe from flooding or vandalism and reduces the need for additional ground-based infrastructure.

They are frequently deployed in:

• Rural or suburban power distribution

• Residential housing developments

• Small offices, farms, or roadside shops

• Street lighting, pumps, or HVAC systems

Their easy maintenance, long lifespan, and efficiency at light loads make them a preferred option for utilities and municipal power networks.

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How Does It Work?

The transformer receives medium or high-voltage electricity from overhead distribution lines (e.g., 11kV or 33kV) and steps it down to safer voltages — typically 120V, 240V, or 480V — using internal magnetic coils. The process is passive, requiring no moving parts, which ensures high durability and minimal wear over time.

Pole-mounted transformers can be oil-immersed for superior cooling or dry-type for indoor or low-risk environments.

What Are the Key Features?

A standard Pole-Mounted Distribution Transformer typically includes:

• Rated Capacity: Ranges from 5 kVA to 167 kVA

• Primary Voltage: Commonly 11kV, 13.2kV, 33kV, or custom

• Secondary Voltage: 120V, 240V, 480V, 600V (or dual-voltage options)

• Cooling Method: Oil-immersed (ONAN) or dry-type (AN)

• Installation Type: Pole-mounted design for overhead grid integration

• Standards Compliance: Built to meet IEC, IEEE, ANSI, or CSA standards

These features ensure safe and efficient performance for residential, commercial, and light industrial loads.

Pole-Mounted Distribution Transformer Technical Data

Additional configurations and tap options available upon request.

Where Are Pole-Mounted Transformers Used?

You’ll often find Pole-Mounted Distribution Transformers installed on utility poles along streets, highways, or in residential neighborhoods. They’re also widely used in:

• Rural electrification and farmland

• Telecommunications sites

• Lighting systems and road signage

• Remote cabins and vacation homes

• Low-power commercial or control applications

Is It the Right Choice for Your Project?

If your project involves rural electrification, residential power distribution, or any environment where three-phase power is not required, a Pole-Mounted Distribution Transformer is the ideal solution. It offers compactness, efficiency, and cost-effectiveness without compromising safety or performance.

Why Choose CHBEB?

CHBEB Pole-Mounted Distribution Transformers are engineered for long-term, real-world performance. Manufactured in compliance with global standards, each unit is rigorously tested to ensure high reliability, low losses, and strong protection against electrical and environmental stress.

Whether you’re supplying power to a single household or developing infrastructure for a new community, CHBEB is your trusted partner for dependable transformer solutions.