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10kVA Single Phase Pole Mounted Transformer 4.16KV To 120V
Leilang Electric's 10kVA single phase pole mounted transformer is purpose-built to step down 4.16kV primary voltage to standard 120V secondary output, making it the ideal solution for overhead power distribution in residential, rural, and light commercial installations across North America. Engineered to meet strict industry demands, this unit holds UL certification and complies with ANSI, IEEE, DOE, and CSA standards, ensuring full grid compatibility and regulatory acceptance.
Built for long-term reliability, the transformer features a fully sealed oil-immersed design that delivers high energy efficiency, ultra-low no-load and load losses, and stable voltage regulation under variable load conditions. Its compact pole-mounted structure allows fast, space-saving installation without ground construction, while robust outdoor construction ensures consistent performance in rain, wind, temperature fluctuations, and coastal environments.
Core Structure and Process Advantages
Fully Sealed Cylindrical Tank Structure
The heavy-duty cylindrical tank is constructed from corrosion-resistant cold-rolled steel with precision welding, delivering excellent structural rigidity for pole-mounted suspension. A fully sealed design with vacuum oil filling prevents moisture and air intrusion, slowing insulation aging and extending service life. Integrated cooling fins enhance heat dissipation, maintaining stable temperatures during continuous full-load operation.
High-Efficiency Low-Loss Iron Core
The core uses high-grade cold-rolled oriented silicon steel with a step-lapped lamination process to minimize hysteresis and eddy current losses. This directly contributes to the transformer's high efficiency rating, exceeding DOE energy efficiency standards and reducing long-term power consumption. Vacuum impregnation enhances mechanical strength and lowers operating noise, making it suitable for residential areas.
High-Reliability Winding and Insulation
Windings use high-conductivity oxygen-free copper for stable electrical performance and strong short-circuit withstand capability. Insulation materials undergo vacuum pressure impregnation (VPI) to improve dielectric strength and lightning impulse resistance. High-creepage bushings resist pollution flashover and rain flashover, ensuring safe operation in humid and coastal environments.
Standardized Installation and Protection
Designed for direct pole mounting with standard cross-arm and hoop brackets, the transformer enables fast on-site installation without large-scale civil work. A waterproof and dustproof top cover, pressure relief valve, and oil level indicator support maintenance-free operation and enhance operational safety.
Custom voltages including 120/240V split-phase are available to meet North American utility specifications.
Core Performance Highlights
UL Certified & Fully Compliant - Approved to UL, ANSI, IEEE, CSA, and DOE standards for direct deployment in North American power grids.
High Efficiency & Energy Saving - Optimized magnetic circuit and low-loss design reduce energy waste and lower operating costs over the transformer lifecycle.
Dedicated 4.16kV to 120V Conversion - Perfect voltage ratio for rural distribution, street lighting, residential feeders, and small commercial loads.
10kVA Compact Pole Mount Design - Lightweight, space-saving, and easy to install on standard utility poles with minimal labor.
Outdoor Durability - Fully sealed, corrosion-resistant, and capable of operating reliably in a wide temperature range for years of maintenance-free service.
Application Scenarios
North American rural power grid distribution and remote residential power supply
Street lighting, landscape power, and community low-voltage power distribution
Small commercial facilities including convenience stores, farms, and irrigation systems
Communication base stations and off-grid power support
Post-disaster emergency power restoration with rapid pole installation
Quality Assurance and Service
All transformers are manufactured under the ISO 9001 quality management system and undergo routine testing, withstand voltage testing, and type testing before shipment. This 10kVA model is supplied with complete UL certification and technical documentation to satisfy project inspection requirements.
We offer customized voltage, capacity, and accessory configurations, along with 24/7 technical support and long-term after-sales service to ensure stable performance throughout the product life cycle.
Frequently Asked Questions
Is this 10kVA pole transformer UL certified?
Yes, this unit carries full UL certification and complies with ANSI, IEEE, CSA, and DOE energy efficiency standards, making it suitable for official grid connection in North America.
What is the input and output voltage of this transformer?
It is designed for 4.16kV primary input and 120V secondary output, a standard configuration for North American single-phase distribution systems.
How efficient is this 10kVA single phase pole transformer?
It features a high-efficiency low-loss core and copper winding structure, with efficiency up to 98.7%, exceeding DOE requirements and significantly reducing energy consumption during operation.
Can this transformer be installed directly on a utility pole?
Yes, it uses a compact pole-mounted design with standard mounting brackets, allowing quick installation on overhead lines without occupying ground space.
Is this transformer suitable for outdoor use?
Absolutely. It has a fully sealed oil-immersed structure, corrosion-resistant tank, and weatherproof bushings, enabling stable outdoor operation in rain, humidity, and varying temperatures.
What applications is this 10kVA 4.16kV to 120V transformer used for?
It is widely used in rural power grids, residential areas, street lighting, farms, small businesses, communication base stations, and emergency power restoration projects.
Can the voltage be customized for specific projects?
Yes, we can adjust primary and secondary voltages such as 120/240V split-phase to match local utility and project requirements.
