50 kVA Electrical Pole Transformer | Oil-Immersed Overhead Unit – 22.9kV to 220/127V

50 kVA Electrical Pole Transformer Features

The 50 kVA oil-immersed electrical pole transformer is purpose-built for overhead line power distribution systems in residential zones, farming regions, and public utility networks. Designed with a 22.9 kV primary voltage and a grounded 220/127 V secondary output in a Wye configuration, it offers safe, stable, and efficient voltage conversion for mid-scale loads across the Americas—widely adopted in countries such as the United States, Mexico, Brazil, Argentina, Peru, and Panama.

This single-phase distribution transformer features high-grade silicon steel core laminations and precision-wound copper or aluminum conductors, ensuring low no-load losses and excellent electromagnetic performance. It is filled with refined mineral-based insulating oil to enhance thermal conductivity and dielectric strength, providing long-term reliability in continuous operation.

Built to endure demanding outdoor conditions, the transformer is housed in a robust, tamper-resistant enclosure, protected with industrial-grade coatings against corrosion, UV exposure, and environmental hazards. Engineered for pole-top installation, it complies with utility mounting standards used throughout North and South American utility grids.

The unit supports standard 60 Hz power frequency (50 Hz optional), and voltage or bushing configurations can be customized based on project or utility specifications. Optional surge arresters, pressure relief devices, and fuses can be integrated upon request.

Every unit undergoes full routine testing and complies with ANSI C57.12, IEEE, CSA, UL, CE, and other relevant certifications. Energy Transformer, a trusted manufacturer and exporter based in China, offers this model for OEM projects, distributor wholesale supply, or national infrastructure programs.

We provide flexible MOQs, fast production timelines, and technical support for shipping and grid integration. Whether you're serving rural electrification initiatives or public utility expansion, this 50 kVA pole transformer delivers long-lasting, efficient performance tailored to your region's needs.

Read More:150 kVA Telephone Pole Transformer for Utility Distribution 13.2 kV / 13.8 kV to 120/240 V

50 kVA Electrical Pole Transformer Technical Specs

Rated Capacity	167 kVA（Customized 15-330KVA）	Insulation Specification	HV: Lightning impulse withstand 95 kV / AC 35 kV; LV: AC 5 kV
Intended Use	Outdoor pole-mounted distribution transformer	Temperature Rise Limit	Oil: 55°C or 65°C in line with CSA and ANSI standards
Phase Configuration	Single-phase or three-phase available based on regional standards	Operating Temperature Range	-40°C to +50°C (standard for altitudes up to 1000m; optional for higher)
Electrical Frequency	Standard 60 Hz for American markets; optional 50 Hz	Ingress Protection Rating	IP00 standard; optional IP20 or IP23 for enhanced safety
Primary Voltage Options	7.2 / 7.62 / 13.2 / 13.8 / 14.4 / 22.9 / 24.9 / 33 kV	Acoustic Emission Level	Noise level ≤ 50 dB at 1 meter distance
Secondary Voltage Options	120/240 V split-phase (North America), 220/127 V or 380/220 V (South America)	Mounting Style	Single or double pole installation, vertical or horizontal orientation
Connection Vector Types	Dyn11, Yyn0, Yd11, split-phase, customizable to meet local utility requirements	Cooling Medium	Mineral oil standard; silicone oil or natural ester options (IEC 60296 compliant)
Standards Compliance	IEC 60076, ANSI C57.12.00, GOST 11677	Transformer Tank	Corrugated or galvanized steel tank with anti-corrosion coating
Cooling Method	ONAN (Oil Natural Air Natural)	Surface Coating	Weather-resistant powder coating or galvanized rustproof finish
Impedance Voltage Rating	Typically 4%, adjustable between 5–6% for fault protection	Standard Accessories	Includes lifting lugs, oil drain valve, oil level gauge, thermometer, grounding terminals
No-Load Loss	Maximum 160 W according to ANSI, IEC, and GOST methodologies	Optional Add-Ons	Pressure relief devices, surge arresters, overload protection relays
Load Loss (at 75°C)	Maximum 1350 W compliant with ANSI and IEC standards	Regulatory Certifications	UL, CE, GOST, CSA, ISO9001, ISO14001
Excitation Current	Not exceeding 2.5%	Expected Operational Lifespan	Designed for 25+ years of reliable service
Basic Impulse Level (BIL)	95 kV for high voltage side, 10 kV for low voltage side	Warranty Terms	Standard 24 months; extended warranty options available
Installation Accessories	Pole mounting brackets, galvanized plates, connector terminals	Regional Availability	Suitable for USA, Canada, Mexico, Brazil, Chile, Argentina, Colombia, and more

✅ 50 kVA Electrical Pole Transformer Overview

The 50 kVA electrical pole transformer is a single-phase oil-immersed overhead distribution unit designed to convert medium voltage (22.9 kV) to low voltage (220/127 V) for secure and efficient power delivery. Perfectly suited for residential areas, rural electrification, small commercial loads, and agricultural power distribution, this transformer is widely used across North and South America, including countries such as the United States, Canada, Mexico, Brazil, Argentina, and Peru.

✅ 50 kVA Electrical Pole Transformer Specifications

Featuring mineral oil insulation with ONAN cooling (Oil Natural Air Natural), this transformer offers a temperature rise rating of 65°C and is built using high-quality grain-oriented silicon steel cores and copper or aluminum windings to minimize losses. Fully compliant with ANSI C57.12, IEC 60076, IEEE, CSA, UL, and DOE efficiency standards, it delivers consistent performance and durability for overhead utility applications.

✅ 50 kVA Electrical Pole Transformer Amperage

With a primary voltage of 22.9 kV and a secondary voltage of 220/127 V, the transformer provides a full-load output current of approximately 227 A at 220 V. Its amperage capacity supports residential neighborhoods, rural agricultural systems, light commercial power needs, telecom base stations, and off-grid solar power installations throughout diverse markets in Latin and North America.

✅ 50 kVA Electrical Pole Transformer Weight

This transformer typically weighs between 350 and 450 kilograms depending on accessories, bushing types, and cooling configurations. Its robust build ensures mechanical stability and ease of installation on standard utility poles while maintaining reliable operation under outdoor environmental conditions.

✅ 50 kVA Electrical Pole Transformer Dimensions

Designed with a compact cylindrical oil tank, the transformer measures approximately 900 mm (height) × 650 mm (diameter) × 700 mm (length), optimized for overhead mounting brackets commonly used in the Americas. The size facilitates quick installation and easy maintenance on utility poles and distribution networks.

Read More:167 KVA Power Pole Transformer | Oil-Filled Overhead Distribution Unit

✅ 50 kVA Electrical Pole Transformer Cabinet and Protection

Encased in a corrosion-resistant steel enclosure finished with weatherproof powder coating, this pole transformer withstands harsh weather, dust, and rodents. Standard fittings include lifting lugs, oil drain valves, oil level gauges, and grounding terminals. Optional safety upgrades such as lightning arresters, pressure relief devices, and fuses are also available.

✅ 50 kVA Electrical Pole Transformer Installation

Compatible with single or double pole mounting, this transformer supports radial and loop feed distribution systems. ENERGY TRANSFORMER provides comprehensive installation manuals, wiring schematics, and optional on-site technical support to ensure smooth deployment and reliable operation.

✅ 50 kVA Electrical Pole Transformer Windings

Available with copper or aluminum windings, insulated with thermally upgraded paper and varnish. Copper windings offer superior electrical conductivity and enhanced thermal management for demanding applications, while aluminum windings provide a cost-effective and lightweight alternative for budget-sensitive projects.

✅ 50 kVA Electrical Pole Transformer Efficiency

Designed for low losses and high efficiency, this unit meets DOE 2016 and CSA C802.1 energy efficiency guidelines. Optimized core and winding designs reduce no-load and load losses, lowering operating costs and extending the transformer's lifespan.

✅ 50 kVA Electrical Pole Transformer Certifications

Certified to meet ANSI, IEEE, CSA, UL, IEC, and other international standards, this transformer is suitable for export and deployment in the USA, Canada, Mexico, Brazil, Argentina, Chile, Peru, and other countries in the Americas. Each unit undergoes rigorous factory testing to guarantee quality and performance.

✅ 50 kVA Electrical Pole Transformer Applications

Commonly used for:

• Residential power distribution networks in North and South America

• Rural and agricultural electrification projects

• Small commercial and light industrial power loads

• Telecom infrastructure and renewable energy off-grid systems

✅ 50 kVA Electrical Pole Transformer Voltage Options

Primary voltages: 22.9 kV (standard), optional 13.8 kV, 24.9 kV
Secondary voltages: 220/127 V split-phase (standard for South America), customizable for regional requirements

✅ 50 kVA Electrical Pole Transformer For Sale

Energy Transformer supplies factory-direct 50 kVA pole-mounted transformers with OEM services, custom designs, and CAD drawings available. We offer competitive pricing and reliable shipping across the Americas to key ports in the USA, Canada, Mexico, Brazil, Argentina, and Peru.

✅ 50 kVA Electrical Pole Transformer Price

Typical prices range from $1,200 to $1,800 USD depending on options, certifications, and shipping terms. Contact us for a detailed quote tailored to your project specifications and delivery needs.

✅ 50 kVA Electrical Pole Transformer Manufacturers and Suppliers

Leading Chinese manufacturer Energy Transformer provides high-quality, UL-listed, CSA-compliant pole transformers with fast lead times and flexible order quantities. We serve clients throughout North and South America, including the USA, Canada, Mexico, Brazil, Argentina, and Chile.

✅ 50 kVA Electrical Pole Transformer Wholesale Supply

Bulk purchase options are available for distributors, contractors, and utility companies. Our capacity supports OEM branding, tailored specifications, and just-in-time delivery to meet large-scale electrification projects and infrastructure expansions.

✅ Related Electrical Pole Transformer Models

Energy Transformer also manufactures:

• 25 kVA Electrical Pole Transformers

• 75 kVA Electrical Pole Transformers

• 100 kVA Electrical Pole Transformers

• Customized power ratings and voltage configurations upon request

Learn More:75 kVA Single Phase Pole Mounted Distribution Transformer 13.2 kV - 120/240 V

Why Choose Energy 50 kVA Electrical Pole Transformer?

Energy Transformer's 50 kVA Electrical Pole Transformer provides a reliable and efficient solution for overhead power distribution in residential, rural, and light commercial applications across North and South America. With a 22.9 kV primary and 220/127 V secondary, this oil-filled unit ensures stable voltage and dependable service.

Built for outdoor pole mounting, it features a rugged, weatherproof enclosure that withstands harsh conditions. Mineral oil insulation and a sealed tank deliver excellent thermal performance and durability.

Key benefits include:

• Certified Quality: Meets ANSI, IEEE, CSA, UL, and IEC standards.

• Flexible Installation: Supports single or double pole mounting; suitable for radial or loop feed systems.

• Customization: Copper or aluminum windings, optional arresters and fuses, configurable voltages.

• Quiet Operation: Low noise, ideal for residential areas.

• Wide Market: Available for USA, Canada, Mexico, Brazil, Argentina, Peru, and more.

Perfect for rural electrification, telecom, agriculture, and light industry, the Energy 50 kVA Electrical Pole Transformer delivers efficient and flexible power solutions.

Contact us for pricing, availability, or custom options.