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70KVA Three Phase Isolation Transformer H Class 504V 320V 200V 80V 40V

Basic Information
Place of Origin: CHINA
Brand Name: WINLEY
Certification: ISO,CE
Model Number: SG-70KVA
Minimum Order Quantity: 1
Price: $15-$60000
Packaging Details: Plywood case
Delivery Time: 5-8 working days
Payment Terms: T/T
Supply Ability: 1000unit per month
Detail Information
Usage: Power Coil Number: Three Windings
Primary Voltage: 504V Secondary Voltage: 320V 200V 80V 40V
Standard: ANSI,IEC Type: Dry-type
Material: Copper Cooling Method: AN
High Light:

504V Three Phase Isolation Transformer


70KVA H Class Isolation Transformer


Three Phase Isolation Transformer 40V

Product Description

70KVA Three Phase Isolation Transformer H Class 504V 320V 200V 80V 40V




1) Precise meter accurately displays the output voltage.
2) Convenient for opening and repairing the transformer.
3) Omni-directional wheel make easy to move the transformer.
4) Power indicator light: Check working status any time.
5) Cooling fan:Cooling fan helps heat dissipating to extend the service life.
6) Heat dissipating grid: Increase efficiency of cooling.

Main data
Product Name Three phase dry type transformer
Product Model SG/QZB/SBK/Power transformer/ZSG/SBDG/EPS UPS
Winding Material Enameled copper wire or enameled aluminum wire
Capacity 100VA~5000KVA
Input Voltage 415V or customized
Output Voltage 380V or customized
Frequency 50/60Hz
Connection Type DYN11/YYN0
Insulation Level F/H
Enclosures Protection Level IP00 or higher
Pressure-tight Test 2500V/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
The technical parameter for reference only, for exactly technical information, please feel free to contact us!

Production process
Blue 75KVA 600V AN Three Phase Transformer Copper 0

Blue 75KVA 600V AN Three Phase Transformer Copper 1
70KVA Three Phase Isolation Transformer H Class 504V 320V 200V 80V 40V 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