meta power solutions

Product Description

333 KVA Single-Phase Pole-Mounted Transformer

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Product Overview

333 KVA Single-Phase Pole-Mounted Transformer

Meta Power Solutions’ single-phase pole-mounted transformers are critical components in power distribution networks. They are made of premium materials and typically support residential, commercial, and industrial loads in cities and rural areas. They are filled with sustainable and biodegradable dielectric fluid, which offers excellent fire protection and a longer lifespan.

MPS offers a comprehensive line of single-phase pole-mounted transformers and associated components. Our entire range results from our unique research, development, and manufacturing, making us exceptional in the industry. As a result, we have gained extensive experience in every aspect of pole-mounted transformer technology. Customers can count on our products’ quality and reliability.

333 KVA Single-Phase Pole-Mounted Transformer

Cooling Type


Primary Voltage

25/37.5 KV

Secondary Voltage

120/240/480 V


60 Hz

Fluid Type

Non-PCB Mineral Oil / FR3 Biodegradable

Technical Specs


333 KVA


Pole-Mounted Distribution Transformer

No. of Phases



60 Hz

Primary Voltage

25/37.5 KV

Secondary Voltage

120/240/480 V

Tapping Range

±2 x 2.5%

Winding Material

Copper / Aluminum

Core Material

Grain Oriented Silicon Steel Sheet


1.5 – 6.0 %



Cooling Type


Average Winding Rise

55 °C, 55/65 °C, 65 °C

Fluid Type

Non-PCB Mineral Oil / FR3 Biodegradable

Tap Changer

Off-Load Tap Changer

IEEE Standards

C57.12.00, C57.12.20, C57.12.31, C57.12.35, C57.12.90, C57. 91 and C57.154

NEMA Standard


Tank Coating

IEEE Std C57.12.31-2010


UL Listed

333 KVA Single-Phase Pole-Mounted Transformer 333 KVA Single-Phase Pole-Mounted Transformer 333 KVA Single-Phase Pole-Mounted Transformer 333 KVA Single-Phase Pole-Mounted Transformer 333 KVA Single-Phase Pole-Mounted Transformer 333 KVA Single-Phase Pole-Mounted Transformer

Transformer Features

This 15 KVA pole-mounted transformer comes in a single-phase configuration with a voltage rating of 25 – 37.5 KV on the primary side and 120 – 480 V on the secondary side. The unit’s cores are made from Grain Oriented Silicon Steel using state-of-the-art technology. This single-phase pole-mounted transformer is highly energy efficient with lower heat emissions, resulting in fewer cooling requirements.

The Smart Choice

MPS offers a comprehensive range of overhead transformers suitable for various distribution system applications. Our product line includes single-phase pole-mounted transformers with ratings from 15-333 kVA and voltages up to 37.5 kV. The MPS core-coil design delivers exceptional efficiency and outstanding electrical, mechanical, and thermal performance.

Our portfolio enables utilities, businesses, and infrastructure industries to get the most out of their transformer investments by maintaining high reliability and optimal performance while minimizing life-cycle expenditures and environmental impacts.

Our pole-mounted transformers are designed with exceptional quality and attention to detail, meeting a wide range of specifications and applications. They feature aluminum or copper windings and have customizable input/output voltages. For more information or advice on your pole-mounted transformer project, please get in touch with us.

Can be installed in residential areas without fencing
grounded metal box
protected against tampering
protected against weather
made of premium materials

Why Meta-Power Solutions?

MPS Testing & Standards

We have invested in some of the most advanced testing equipment in the industry. We offer a comprehensive range of testing compliant with the latest ANSI, IEEE*, and NEMA standards.

*IEEE C57.12.00 & IEEE C57.12.90 (Liquid-Immersed)


General Characteristics

KVA Rating

Up to 333 KVA


Off-load tap changer

Rated Voltage

Up to 37.5 kV

Type of Cooling


Manufacturing Standards


Dielectric Liquid

Mineral oil, Silicon oil, Biodegradable Oil

Rated Frequency

60 Hz

Winding Material

Copper / Aluminum


Our Pole Mount Transformers

MPS offers single-phase pole-mounted distribution transformers engineered for residential overhead distribution loads. They are also appropriate for industrial lighting, light commercial loads, and various power applications. These transformers are designed to meet the application requirements typically found on electric utility distribution systems.

Each unit is manufactured in compliance with IEEE, ANSI, and NEMA standards. The transformers are available with three different fluids: mineral oil, silicone transformer oil, or less flammable seed oil. In general, pole-mounted transformers are equipped with off-load tap changers.





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