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450KVA Three Phase Dry Type Transformer 60Hz Ventilated NEMA3R

Basic Information
Place of Origin: CHINA
Brand Name: WINLEY
Certification: ISO,CE,UL
Model Number: SG-450KVA
Minimum Order Quantity: 1
Price: $1500-$150000
Packaging Details: Plywood case
Delivery Time: 10days
Payment Terms: T/T
Supply Ability: 1000set/month
Detail Information
Usage: Power Capacity: 450KVA
Frequency: 60Hz Type: Ventilated
Protection: NEMA 3R Material: Copper
Efficiency: >98 % Insulation Level: R
High Light:

Ventilated Dry Type Transformer


450KVA Dry Type Transformer


NEMA3R Three Phase Transformer

Product Description

450KVA Three Phase Dry Type Transformer 60Hz Ventilated NEMA3R



1. Feature


① Features and advantages

② High isolation

③ N-G has good performance

④ High common mode interference suppression

⑤ Convert △ to Y or Y to △

⑥ The voltage tap is easy to change

⑦ Designed according to user's special performance requirements




Product Name Three phase dry type transformer
Product Model SG-450KVA
Winding Material Enameled copper wire
Capacity 450KVA
Input Voltage 480V
Output Voltage 415V/240V
Frequency 50/60Hz
Connection Type DYN1
Insulation Level F/H
Enclosures Protection Level IP00
Pressure-tight Test 3500V/min
Insulation Resistance >100MΩ
Ground Resistance 25A<100milliohm
Induction Withstand Voltage Test 125Hz / 830V / 60s
Cooling Method Natural or air cooling
Temperature Rise ≤115K
Transformation Ratio <3%
Air Carrying Current <3%
Impedance Voltage about 4.5%
Total Losses 4%
Efficiency 80%--99%
Operating Temperature -15℃~40℃ (40℃, 90%R.H., 56days)
Storage Temperature -25℃~100℃(40℃, 90%R.H., 56days)
Certificate CE,ISO,UL
The technical parameter for reference only, for exactly technical information, please feel free to contact us!


F Class 3 Phase Auto Transformer 0

F Class 3 Phase Auto Transformer 1

450KVA Three Phase Dry Type Transformer 60Hz Ventilated NEMA3R 2




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: Sample time 3-7 days, we usually ship by DHL, UPS, FedEx,etc. Mass production time 7-25 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(MOQ:≥10pcs).

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