Send Message

2500Kva Three Phase Pad Mounted Transformer Step Down 12470V To 400V

Basic Information
Place of Origin: CHINA
Brand Name: WINLEY
Certification: CE,ISO
Model Number: S-2500/15
Minimum Order Quantity: 1unit
Price: $5000-$150000
Packaging Details: Plywood case
Delivery Time: 30days
Payment Terms: T/T
Supply Ability: 1000set/month
Detail Information
Transformer Feed Type: Pad Mounted, Compartmental-Type Capacity: 2500KVA Or Customized
Primary Voltage: 12470V Secondary Voltage: 400Y/231
Frequency: 60 Hz Cooling Class: KNAN; Self-Cooled
Impedance: 5.75% Efficiency: 99.30%
High Light:

2500Kva 3Phase Pad Mounted Transformer


400V Pad Mounted Transformer


12470V Step Down Transformer

Product Description

2500Kva Three Phase Pad Mounted Transformer step down 12470V to 400V



2500Kva Three Phase Pad Mounted Transformer Step Down 12470V To 400V 0



WINLEY offers a complete line of liquid-filled ThreePhase Pad-Mounted distribution transformers that meet applicable ANSI®/IEEE® standards.With high voltages up to 34.5 kV and ratings up to 5,000 kVA, It is suitable for high-voltage and large-capacity occasions, such as power substations, industrial power consumption, etc. In high-load, high-voltage scenarios, oil-immersed transformers have better performance and stability.


Main data


Transformer Type Pad Mounted, Compartmental-Type
Transformer Configuration Liquid Filled Pad Mounted
Transformer Feed Type Loop Feed
Operation Step-Down Operation
Phase Three Phase
Capacity 2.5 MVA (2500 KVA)
Vector Group DYN1
Primary Voltage 12470V
Primary Voltage Class 15 kV Class
Primary Phasor Delta
Primary BIL 95 KV
Secondary Voltage 400Y/231
Secondary Voltage Class 1.2 kV Class
Secondary Phasor Wye-N
Secondary BIL 30 KV
Frequency 60 Hz
Temperature Rise 65°C
Insulation Rating Class E Insulation - 120°C, 248°F
Cooling Class KNAN; Self-Cooled
Tap Changer 5-position Tap Changer
Impedance 5.75%
Load Break Switch Rating 600-Amp, 15 kV
Core Material Grain Oriented Steel
Tank Material Coated Steel
Dimensions* 75-W x 75-D x 73-H
Dry Weight (w/o Oil)* 4,918 lb
Total Weight (Liquid Filled)* 11,534 lb
Efficiency % 99.40%
No Load Loss (in watts) +/- 2,700W
Full Load Loss (in watts) at 100% +/- 15,500W


Standard Features

1.Primary Switching
 1)5-position tap changer.
 2)4 position load break switch,Can be operated a hot stick and allows for flexibility in repair and maintenance.
2.termination connection
 1)Primary power cables are connected with elbow connectors.
 2)Externally clamped bushing wells with loadbreak inserts.
 3)Integral loadbreak or non-loadbreak bushings.
 4)Secondary termination Externally clamped bushings with NEMA 4-hole, 6-hole.8-hole,10-hole or 12-hole spades , Spade supports are available.
3.protective device
 1) Bayonet fuses partial-range current-limiting fuses.
 2) Automatic action pressure relief device.
 3) Oil level gauge.
 4) Oil temperature gauge.
 5) Pressure vacuum gauge.
 6) Drain valve with sampler.
 7)Distribution class, metal oxide arresters, 3-36 kV.
 8)Distribution class, valve-type lightning arresters,3-27 kV.


Technical drawings

150KVA Three Phase Pad Mount electrical  Transformer Oil Immersed 13.8KV 3



Rated Capacity Loss(w) Dimension(mm) Weight(kg)
No-load Loss(W) On-load Loss W D H Oil Weight (L) Total Weight (KG)
45kVA 160 1000 1730 990 1270 416 950
75kVA 180 1250 1730 990 1270 435 1020
150kVA 280 2200 1730 1245 1270 473 1225
300kVA 480 3650 1830 1295 1270 605 1655
500kVA 680 5100 2260 1345 1270 720 2110
750kVA 980 7500 2260 1448 1628 1022 2950
1000kVA 1150 10300 2260 1500 1625 1325 3720
1500kVA 1640 14500 2210 1470 2150 1552 4672
2000kVA 2160 20645 2380 1600 2220 1855 5670
2500kVA 2680 27786 3070 1650 2330 2006 6580
3000kVA 3300 30300 3260 1850 2460 2336 7500
3750kVA 4125 37875 4080 2060 2680 2650 8450


Factory photos


2500Kva Three Phase Pad Mounted Transformer Step Down 12470V To 400V 2


Production process


150KVA Three Phase Pad Mount electrical  Transformer Oil Immersed 13.8KV 4

150KVA Three Phase Pad Mount electrical  Transformer Oil Immersed 13.8KV 5

150KVA Three Phase Pad Mount electrical  Transformer Oil Immersed 13.8KV 6




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.

Contact Details

Phone Number : 86-18650108051

WhatsApp : +8618650108051