1. Product Overview
This series of pad-mounted distribution transformers adopts an American-style structure, featuring anti-theft design, fully sealed construction, and strong weather resistance. It is ideal for public areas and underground cable distribution projects.
Designed and manufactured in strict accordance with ANSI/IEEE and IEC standards, the transformers can be equipped with overcurrent protection and sectional switching functions, providing stable and reliable power solutions for urban, industrial, and commercial power distribution systems.
With high integration, compact size, and easy installation, the transformers run with low noise and require minimal maintenance. They are widely used in residential areas, industrial parks, commercial complexes, new energy projects, mines, factories, and other applications.
2. Core Parameters
Model: Pad Mounted Transformer
Rated Capacity: 30kVA-5000kVA (main models: 75kVA, 112.5kVA, 150kVA single-phase)
Phase: Single-phase / Three-phase optional
Frequency: 50Hz / 60Hz
HV Input: 33kV, 11kV, 10.5kV, 6.3kV, or customizable
LV Output: 480V, 440V, 380V, 220V, 110V, or customizable
Winding Material: Aluminum or Copper optional
Vector Group: Dyn1 / Ynyn0
Cooling Type: ONAN (Oil-Immersed Natural Cooling)
Color: Munsell Green
Certifications: ISO9001, CE, 3C, TUV, etc.
Typical Loss Data
| Rated Power (kVA) |
High Voltage (V) |
Low Voltage (V) |
No-load Loss (W) |
On-load Loss (W) |
Total Weight (kg) |
| 15 |
34500/1992013800/795713200/762012470/7200 or others |
120/240240/480347600 |
50 |
195 |
294 |
| 25 |
Same as above |
Same as above |
80 |
290 |
362 |
| 37.5 |
Same as above |
Same as above |
105 |
360 |
476 |
| 50 |
Same as above |
Same as above |
135 |
500 |
553 |
| 75 |
Same as above |
Same as above |
190 |
650 |
672 |
| 100 |
Same as above |
Same as above |
210 |
850 |
742 |
| 167 |
Same as above |
Same as above |
350 |
1410 |
952 |
3. Product Features
American-style anti-theft structure for public safety
Fully enclosed anti-theft tank design, suitable for open installation in public areas, residential communities, and roadsides.
All-in-one integrated design saves space and cost
Integrates transformer, protection, and wiring in one unit; no extra distribution room needed, with simplified underground cable connection.
Weatherproof & sealed enclosure for outdoor use
Sealed structure with anti-corrosion coating ensures stable long-term operation outdoors, with waterproof, dustproof, UV-resistant, and anti-corrosion performance.
Low noise & high efficiency for economical operation
Optimized core and winding design reduce noise and energy loss, delivering obvious power-saving effects and low operating costs.
Highly customizable to match different projects
Voltage, capacity, tap changer, protection devices, and winding material can all be customized to meet different power grid standards at home and abroad.
International standard compliance for export
Designed and tested per ANSI/IEEE and IEC standards with complete test reports, ready for global markets.
4. Applications
Residential areas, villas, and commercial streets
Industrial zones, factories, shopping malls, hospitals, and schools
New energy, photovoltaic power stations, and energy storage systems
Municipal engineering, road lighting, and public facilities
Mining, shipping, metallurgy, and other special working conditions
Overseas power grid reconstruction and underground cable distribution systems
5. Standard Accessories
Core & coil assembly
HV & LV bushings and terminals
Pressure relief valve & oil level gauge
Fuse and protection components
Fully sealed anti-corrosion steel tank
Lifting bolts, grounding bolts, and nameplate
Standard wooden case (custom packaging available)
6. Customization Service
We provide personalized customization based on the following parameters:
- Rated input & output voltage
- Rated capacity and accuracy class
- Frequency: 50Hz / 60Hz
- Phase: single-phase or three-phase
- Winding material: copper or aluminum
- Cooling type and protection class
- Application scenario and special functional requirements
7. Production & Delivery
Annual Capacity: 50,000 units per year
Production Lead Time: About 25 working days for standard orders
Stock: Some standard models in stock
Payment Terms: T/T, L/C
Warranty: 1-year warranty with technical support and after-sales solutions
8. FAQ
Are you a manufacturer or trading company? Do you support OEM/ODM?
We are a manufacturer with over 10 years of experience. OEM & ODM are available.
Can you provide a product catalog?
Yes, we have a complete catalog. Please contact us online or by email to get it.
How long is the delivery time?
Normally about 25 working days for standard products, depending on the model.
Do you have products in stock?
Some standard models are in stock; customized products are produced to order.
What payment terms do you accept?
We accept T/T and L/C.
How do you handle quality issues?
We provide a 1-year warranty. After receiving photos of quality problems, our technical and QC team will provide a satisfactory solution within 2 working days.