UL listed 300Kva 3 Phase Pad Mounted Transformer 12.47KV To 480V ASNI/IEEE Standards

Why choose us

• WINLEY produces a full range of three phase pad mounted transformers with a capacity of 45kva-5500KVA and a voltage of up to 34.5KV. The products meet or even exceed the standards of DOE 2016, IEEE/ANSI, CSA, IEC, NEMA, etc.
• The three phase pad mounted transformer produced by WINLEY has obtained UL/cUL certification (Certificate Number: UL-US-2431836-0, UL-CA-2423202-0), and can apply for UL (partner authorization) according to customer requirements.
• Our products are exported to North America, South America, the Philippines and other places in large quantities. We have rich experience in design and production, professional and reliable after-sales service, and can deliver goods quickly within 7-35 days.

Main data

Product Photos

Technical drawings

1)The structure is compact and reasonable, and the volume is small, which is only about one-third of the European-style box change of the same capacity;
2)Fully sealed, fully insulated structure, no need to set up safety barriers, and reliable guarantee for personal safety;
3)There are a variety of power supply schemes for users to choose from, which can adopt terminal power supply and realize ring network or dual power supply;
4)S11 oil-immersed power transformer is adopted, which has low loss, low temperature rise and strong overload capacity;
5)Double fuses (backup protection fuse + plug-in fuse) are used for protection, and the plug-in fuse fuse has the current and temperature dual sensitivity characteristics to ensure the safe and reliable operation of the product;
6)The 200A cable connector can be plugged and unplugged under load, and can be operated as a load switch in an emergency. It also has the characteristics of an isolating switch.
7)The winding adopts Dyn11 connection and the iron core adopts a three-phase four-column structure, so that the product can run under any asymmetric load, and the neutral point does not drift, the voltage is stable, the power supply quality is high, the cabinet heats up, the noise is low, and the lightning protection performance is good ；
8)The cabinet adopts anti-corrosion design and special spray paint treatment, beautiful and novel, suitable for various environments, and achieve the effect of beautifying the city.

Standard Features

The main components: iron core, winding, fuel tank, oil pillow, breathing apparatus, explosion-proof tube (pressure release valve), radiator, insulating casing, tap switch, gas relay, thermometer, oil purifier, etc

Optional accessories

Application

• Digital Currency Mining – Provides stable power for remote mining farms, ensuring efficient operations.
• Data Centers – Converts high-voltage power for stable electricity and backup during outages.
• Renewable Energy – Transmits solar/wind power to the grid and supports battery storage.
• Commercial Buildings – Powers lighting, HVAC, and IT systems with backup for outages.
• Transport Hubs – Ensures electricity for airports, train stations, and ports (lighting, signals, cranes).
• Agriculture – Distributes power for farm equipment, irrigation, and storage, boosting productivity.
• Industry – Reliable power for machines, automation, and cost-efficient production.
• Schools & Hospitals – Supports critical infrastructure, research, and medical equipment.

Specification

Production process

FAQ

1. Q: Can I have a sample order?

A: Yes, we welcome sample order to test and check quality.

2. Q: What is the lead time?

A: Mass production time 15-25 days.

3. Q: How long is the warranty?

A: 24 monthes 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.

4. Q: Is OEM/ODM available?

A: 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:

a. Customized color and special function.

b. Customized box.

c. Print customer's logo.

d. Your other ideas about product, we can help you design and put them into production. The above customized services must be confirmed before production.

5. Q: How to control the products quality?

A: 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.