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37.5KVA Three Phase Isolation Transformer 480V/277V Copper/Aluminium

Categories Three Phase Isolation Transformer
Brand Name: WINLEY
Model Number: SG-37.5KVA
Certification: ISO,CE
Place of Origin: CHINA
MOQ: 1
Price: $20-$60,000
Payment Terms: T/T
Supply Ability: 10000pcs per month
Delivery Time: 5-8 working days
Packaging Details: Plywood case
Coil structure: UI
Frequency: 50/60Hz
Rated voltage: 480V/277V
Material: Copper/Aluminium
Cooling method: AN
Vector group: Dyn1
Protection: IP20
Insulation class: H
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37.5KVA Three Phase Isolation Transformer 480V/277V Copper/Aluminium

37.5KVA Three Phase Isolation Transformer 480V/277V Copper/Aluminium


Features


1) Brand new oriented or non-oriented cold rolled silicon steel sheet.

2) Terminal block: High temperature resistance and excellent flame retardant.

3) Bobbin: Qualified nylon material,high temperature resistance,good flame retardancy.

4) H class enameled wire,temperature resistance up to 220℃.

5) Whole product using vacumn impregnation process by H class varnish.

Main data
Product NameThree phase isolation transformer
Product ModelSG/QZB/SBK/Power transformer/ZSG/SBDG/EPS UPS
Winding MaterialEnameled copper wire or enameled aluminum wire
Capacity100VA~5000KVA
Input Voltage415V or customized
Output Voltage480V or customized
Frequency50/60Hz
Connection TypeDYN1/YYN0
Insulation LevelF/H
Enclosures Protection LevelIP00 or higher
Pressure-tight Test2500V/min
Insulation Resistance>100MΩ
Ground Resistance25A<100milliohm
Induction Withstand Voltage Test125Hz / 830V / 60s
Cooling MethodNatural or air cooling
Temperature Rise≤115K
Transformation Ratio<3%
Air Carrying Current<3%
Impedance Voltageabout 4.5%
Total Losses4%
Efficiency80%--99%
Operating Temperature-15℃~40℃ (40℃, 90%R.H., 56days)
Storage Temperature-25℃~100℃(40℃, 90%R.H., 56days)
CertificateCE,ISO
The technical parameter for reference only, for exactly technical information, please feel free to contact us!

Production process

NEMA 3 Phase Isolation Transformer 0


NEMA 3 Phase Isolation Transformer 1


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: 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.

Quality 37.5KVA Three Phase Isolation Transformer 480V/277V Copper/Aluminium for sale
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