1500Kva Three Phase Pad Mounted Transformer Oil-Immersed 480V Isolation Transformer 

This 1500 kVA three-phase oil-immersed pad-mounted transformer, for outdoor use, has a 480V primary and 480Y/277V secondary. ONAN cooling, 60Hz operation, Dyn1 vector group, Class A insulation, and 65K temperature rise. With aluminum windings, silicon steel core, and mineral oil insulation.it meets IEEE ANSI C57.12.00.

Main data

Technical drawings

Why choose WINLEY?

We offer a comprehensive range of three-phase pad-mounted transformers with capacities from 45kVA to 5500kVA and voltages up to 34.5kV, all meeting or exceeding standards like DOE 2016, IEEE/ANSI, CSA, IEC, and NEMA. Our transformers hold UL/cUL certifications (UL-US-2431836-0, UL-CA-2423202-0) and can secure UL partner authorization per customer needs. With our products widely used in public utilities across the United States and Canada, we bring rich design and production experience, professional and reliable after-sales service, and fast delivery within 7–35 days.

Standard Features

• 60 Hz operation.
• 65°C average winding rise.
• Radial & loop feed arrangements.
• Dead and live front type of HV terminals.
• HV BIL 45 – 150 kV (Dead Front) 200 kV (Live Front).
• LV BIL 30 – 60 kV.
• Three-point latching of low-voltage door.
• High-voltage door, which can be opened only after the low-voltage door is opened.
• Rigid steel partition.
• Transformer tank welded from cover to base.
• Permanent nameplate.
• One-inch NPT pipe cap filling provision.
• ANSI tank ground pads.
• One-inch drain valve and sampler.
• Automatic pressure-relief valve (35 SCFM).
• Tap changer with (2) 2.5% full capacity taps above and below nominal.
• One 10”x18” (or 14”x25”) hand hole in transformer tank cover.
• Painted olive-green color (Munsell 7GY 3.29/1.5).
• Designed, manufactured and tested in accordance
with the latest ANSI standards

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.