Zhejiang, China
Business Type:
Manufacturer/Factory, Trading Company
Registered Capital:
1000000 RMB
Plant Area:
1001~2000 square meters
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Small Capacity Isolation Transformer, Good Quality Three Phase Isolation Transformer, China Suppplier for Dry Type Transformer manufacturer / supplier in China, offering 5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA), 200va Isolation Transformer IP00 Open Type, 400kVA Three Phase Auto Voltage Reducing Starter Transformer (QZB-J-400) and so on.

Gold Member Since 2015
Audited Supplier

5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)

Min. Order / Reference FOB Price
1 Piece US $141-153/ Piece
Port: Ningbo, China
Production Capacity: 20000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram, DDU or DAP
Application: Power, Electronic, Instrument, Lighting, Rectifier
Phase: Three
Core: Core-type Transformer
Cooling Method: Dry-type Transformer
Winding Type: Separated Winding Transformer
Certification: ISO9001, Ce, RoHS

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Basic Info.

Model NO.
Combined Transformer, Power Transformer, Distribution Transformer
Frequency Characteristics
Power Frequency
Shape of Core
Primary Voltage
660V, 440V, 420V or Customized
Secondary Voltage
380V, 220V, 110V or Customized
Connection Symbol
Yyno, Yd, Dy or Dd
Referenced Standard
IEC439, En60439, GB5226
Ambient Temp.
≤95% (Non Condensing)
Rated Power
Phase Voltage Difference
Insulation Grade
B or F or (H Can Be Customized If Need)
Outline Size
360X320X340mm (Open Type)
Transport Package
in Standard Export Plywood Case
HS Code
SG Series Three Phase Power Transformer / Isolation Transformer


1.Standard:IEC/ ISO CE Certification 
2.Rated voltage: <3kV 
3.Three Phase Isolation transformer 
4.Low loss & noise 
5.Completely protection
6.Open Type and Protective Type as optional
7.Beautiful appearance, reliable quality
8.Easy to install


DG (single-phase) and SG series (three-phase) dry type transformer adopts high quality material and advanced technology , it has advantages of damp - proof and convenient maintenance, it can be applied to such power transmission and distribution places like underground railway , high building, airport, station, wharf, enterprise, tunnel, etc. It is mainly used in power supply occasions of AC 50~60Hz and voltage less than 500V. All the input and output voltage , connection group and capacity of tapped winding can be designed and produced according to users' requirements. 

Working Conditions

1.Ambient temperature: -25°C~+55°C 
2.Altitude: <1000m 
3.Relative humidity: <90% 
4.Environment exists without gas, steam, chemical deposition, dust or dirt that will affect transformer's insulation seriously, also explosive or corrosive medium is not allowed. 
5.If any special working conditions that are not in line with the above stipulations, user shall negotiate with us.

Model and Its meaning

5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)

Main Technical Characters

1.Input Voltage: 660V,440V,420V,415V,400V,380V,220V,110V etc
2.Output Voltage: 380V,220V,200V,190V,120V,110V,100V,48V,36V,24V,12V, etc
3.Capacity range: 0.15KVA-2000KVA 
4.Efficiency: ≥95% 
5.Insulation Class: B or F or H or HC
6.Type of cooling system: natural air drying or with fans cooling for IP20 
7.Waveform distortion: no additional waveform distortion 
8.Function: indication of input voltage, output voltage and current
9.Protection: over-current protection 
10.Winding conductor material: usually use copper,can use aluminum if you have special requirements
11.Can operate itself without anybody attending for a long term 
12.Electric strength: no breakdown or flashover phenomenon under power frequency sine voltage of 2000V for 1min 
13.Overload capability: for 1min under two times of rated current 

Overall dimension and installation dimension diagram

5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)
5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)
5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)
5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)
5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)

5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)
5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)


1.The payment term: We accept TT,30% deposite and 70% balance against copy of BL.
2.The delivery time: Usually it will take about 15-20 days.
3.The standard of package: For the small capacity,it will be in carton,for big capacity,we should use strong wooden case for protection.
4.The material of windings: 100% real copper wire.
5.The logo: If you have good quantity,it absolute no problem to do OEM.
6.The month capacity: reach near 80000pcs/month(for small capacity) or near 7000pcs/month(for big capacity).
7.Our market: our products are popular in Indonesia,Philippines,Russia,USA,Middle East and so on.Some of them are our regular customers and some of them are developing.We hope you can join us and make mutural benifit from our cooperation.
8.Warranty: in 13 months since BL date.

 Why choose REELEN
1. One-stop supplier globally.
2. More than 10 years professional experiences in electrical appliance industry. 
3. We offer professional online technology support for perfecting your electrical solution free.
4. Experienced sales service and suggestion.
5. All the products with accessories under strict quality control and final inspection before shipping.
6. We can assure the powerful competitive price and reliable quality products.
7. Most competitive shipping rate from our own shipping forwarder.
8. Warranty assurance: REELEN will be responsible for any problem.
9. Whatever big or small order,we can provide you one-to-one service.  
10. Most of our products have passed CE, ROHS certificates.

Our Service

1. We can provide sample pieces.
2. We can make the special samples as clients' requirement.
3. We can do everything before delivery. You only need to make the order,then box designing,raw material preparing,product producing,delivery and documents preparing all can be done by ourselves.
4. We can desgin the products color box,based on customers' requirement.

Related Product

5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)

5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)

About Us

REELEN company is located in Yueqing city, which known as the Chinese electrical appliances, since the inception, REELEN has been specialized in manufacturing and exporting various of electrical products, most of our products have passed CE & RoHS certifications.

Our main products include machine tool control transformers, lighting control transformers, auto voltage reducing starter transformers, three phase Isolation transformers, step up & down transformers, temperature controllers, AC-DC switching power supplies, DC-DC converter, waterproof LED driver, AC voltage stabilizer, EMI filter, inverter, regulators and so on; And our products have been exported to many countries in US, Southeast Asia, the Middle East, Europe and South America and so on.

Quality excellence and customer satisfaction is our strategic principle, we are responsible for powerful competitive price, better quality, quick shipment and developing new products. Our aim is to help our clients realize their goals and to achieve an win-win situation through our great efforts.
We are sincerely looking forward to developing long-term friendly and cooperative business relationships with friends all over the world, and hereby, we welcome customers of every country to our company and factory.

If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us.

Thanking you!

Contact Us

5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)
5kVA Three Phase Dry Type Isolation Transformer (SG-5kVA)


Your Best Choice for Electrical Appliances Industry!!!
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