10 - 333kVA Pole Mounted Transformer ANSI IEEE IEC Cylindrical Distribution
Ensuring compliance with ANSI, IEEE, IEC and CSA standards for global power distribution
Leilang Electric's single-phase pole-mounted oil-immersed transformer is the mainstream choice for rural and suburban power distribution markets in North America, Asia-Pacific and globally. It adopts a classic fully sealed cylindrical structure, specially designed for overhead distribution lines.
This series of products fully complies with and exceeds international authoritative standards such as ANSI/IEEE C57, IEC60076, DOE and CSA, with a rated capacity covering 10kVA to 333kVA, perfectly adapting to single-phase power distribution scenarios.
Featuring pole-mounted suspension installation, these transformers offer compact size, minimal space occupation, strong overload capacity, high continuous operation reliability, maintenance-free operation and low installation cost. The fully sealed oil-immersed structure effectively resists harsh outdoor weather and environmental pollution.
Fully Sealed Cylindrical Tank Structure
The tank is made of high-quality cold-rolled steel plate rolled and welded into an integrated cylindrical shape, with sturdy structure and strong wind resistance suitable for pole-mounted suspension.
- Fully Sealed Design: Vacuum oil filling and sealing technology completely isolates air and moisture, preventing oxidation and insulation aging for long-term operation exceeding 30 years
- Efficient Heat Dissipation: Integrated radiator fins increase heat dissipation area, ensuring low-temperature stability under full-load operation with excellent overload resistance
High-Efficiency Low-Loss Iron Core
Core component made of high-quality cold-rolled oriented silicon steel sheets using step-lapped lamination process to reduce hysteresis and eddy current loss.
- Fully complies with DOE energy efficiency standards with significantly reduced no-load and load loss compared to traditional S7/S9 series
- Iron core treated with overall vacuum impregnation for high mechanical strength and low operating noise, suitable for residential and noise-sensitive areas
High-Reliability Winding and Insulation
- Winding Material: High-purity oxygen-free copper rods or high-quality aluminum wires (optional) with excellent electrical conductivity
- Insulation Process: High-strength cable paper/insulating cardboard treated with vacuum pressure impregnation (VPI) process for excellent electrical insulation performance and strong resistance to lightning impulse and short circuit
- Bushing Design: High-strength porcelain or polymer bushings with high creepage distance, resistant to pollution flashover and rain flashover for coastal humid and foggy environments
Standardized Installation and Protection
- Easy Installation: Standard cross-arm/hoop mounting brackets suitable for 15kV-35kV utility poles with quick installation and no need for large-scale civil engineering
- Safety Protection: Integrated top cover design with high waterproof and dustproof grade, built-in pressure relief valve and oil level gauge for maintenance-free operation
Standard Models: 10kVA-500kVA Single-phase oil immersed transformer
| 10kva-500kva Single-phase oil immersed transformer | ||||||
| Rated Cap acity(kVA) | High | Low Voltage(v) | Connection Symbol | Standard | Short-circuit impedance(%) | Efficiency |
| Voltage(v) | (%) | |||||
| 10 | 4160 7200 12000 12470 13200 13800 19920 24940 34500 |
110 220 230 400 480 |
II0,II6 | IEEE/ANSI/ DOE/CSA | 1.0-4.5% | 98.7 |
| 15 | 98.82 | |||||
| 25 | 98.95 | |||||
| 37.5 | 99.05 | |||||
| 50 | 99.11 | |||||
| 75 | 99.19 | |||||
| 100 | 99.25 | |||||
| 167 | 99.33 | |||||
| 250 | 99.39 | |||||
| 333 | 99.43 | |||||
| 500 | 99.49 | |||||
Note: Voltage levels can be customized according to customer requirements (such as 11kV, 22kV, etc.), and low voltage supports North American standard configurations such as 120/240V Split Phase.
- International Certification, Global Compatibility: Fully certified by ANSI, IEEE, CSA and IEC, meeting DOE energy efficiency standards, perfectly adapting to overseas markets with no product modification required
- Ultimate Energy Saving, Cost Reduction & Efficiency Improvement: Low-loss iron core and precision winding technology with efficiency up to 99.43%, extremely low long-term electricity cost, complying with global carbon neutrality policy requirements
- Maintenance-Free, Durable and Sturdy: Fully sealed structure eliminates oil leakage and oxidation, no rust after 30 years of outdoor exposure, no need for frequent maintenance, greatly reducing operation and maintenance labor costs
- Space-Friendly, Quick Installation: Pole-mounted suspension design completely occupies no ground land resources, suitable for scenarios with tight land resources, powering on immediately after pole installation
- Strong Environmental Adaptability: Fully sealed tank with high creepage distance bushings, resistant to salt spray, wind and sand, severe cold, adapting to extreme climates from -40℃ to +55℃
- Rural Power Grid: Rural distribution transformers, power supply for remote villages, solving long-distance single-phase power transmission
- Agricultural Supporting: Farmland irrigation pumping stations, agricultural greenhouses, livestock bases, meeting single-phase power demand of agricultural production
- Urban and Suburban Areas: Low-density residential areas, street lighting, green belt landscape power supply, no noise and no land occupation interference
- Small Industrial and Commercial Enterprises: Rural gas stations, convenience stores, small factories, communication base stations, providing stable single-phase/three-phase conversion power supply
- Post-Disaster Reconstruction: Rapid response power recovery equipment with high flexibility of pole-mounted installation, quickly restoring power supply in key areas
This series of single-phase pole-mounted transformers is produced in strict accordance with the ISO9001 quality management system. Each product passes factory test, withstand voltage test and type test before delivery, ensuring 100% qualified delivery.
We provide one-stop overseas services, supporting voltage customization, capacity customization and accessory customization, equipped with professional Chinese and English technical documents and certification certificates (UL/CSA/ISO), meeting the compliance requirements of global projects. After-sales service provides 24-hour technical support and spare parts supply, ensuring stable operation of equipment throughout the entire life cycle.
Yes, we welcome sample order to test and check quality.
Mass production time 15-25 days.
24 months from B/L. If there are any accessory problems, just provide the photos of damaged accessory, then we will provide free service. According to the number of products, we will provide easily damaged accessories for free. We also can provide technical support if you need.
Yes, it is! We are manufacturer with our own R&D team, we can customize products according to customer's drawing or requirements. Customized services include: customized color and special function, customized box, print customer's logo, and your other ideas about product. We can help you design and put them into production. The above customized services must be confirmed before production.
Our company owns the core technology, all kinds of products hold CE certificate. We have professional engineers. Workers are strictly required to make products according to the drawings. Each process has technical instructors. The QC supervisors will regularly inspect the production. We will do products performance tests during production, and comprehensive quality tests when the products is completed.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.