Gold Member Since 2011
Audited Supplier
Tianjin Grewin Technology Co., Ltd.

3 Phase Power Toroidal Transformer, Three Phase Inverter Transformer, 3 Phase UPS Transformer for Power Supply manufacturer / supplier in China, offering Three Phase Power Toroidal Transformer for Machine, 0.1-1000A Clamp Current Transformer with ISO9001 IEC, 0.1-1000A Clip-on Ammeter and so on.

(/ )

Supplier Homepage Product 3 phase toroidal transformer Three Phase Power Toroidal Transformer for Machine

Three Phase Power Toroidal Transformer for Machine

Purchase Qty.:
1-99 100-499 500-999 1,000+
FOB Unit Price: US $21.5 US $16.2 US $14.5 US $14.2
Purchase Qty. (Pieces) FOB Unit Price
1-99 US $21.5
100-499 US $16.2
500-999 US $14.5
1,000+ US $14.2
Get Latest Price
Port: Tianjin, China
Production Capacity: 50000 PCS
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: 3va 10va 100va 500va 800va 1200va 2000va 3000va
  • Phase: Three
  • Cooling Method: Dry-type Transformer
  • Certification: ISO9001-2000, UL, ISO9001, CCC, CE
  • Frequency Characteristics: Power Frequency
  • Brand: Grewin 3 Phase Toroidal Transformer
  • Coil Number: High Flux Density Grain- Oriented Silicon Steel
  • Core Material: 100% Cooper
  • Leads - Length and Insulation: Secondary Windings Connections
  • Welding Machine: China Step up UPS Toroidal Transformer for Welding
  • Test Process2: Leakage Indutance Test, DC Resistance Test
  • Transport Package: Export Standard Carton or Customize Strong Pallet
  • Origin: China
  • Application: Power, Electronic
  • Core: Toroid Core
  • Winding Type: Auto-transformer
  • Usage: Welding Machine, Solar Inverter, Solar Converter
  • Shape of Core: Ring
  • UPS Transformer Use: UPS Power Supply, UPS
  • Voltage Design: Customized
  • Transformer for Medical Equipment: Low Rise High Efficiency Toroidal Transformer
  • 95% Efficiency: Transformer Toroidal Price Design Manufacture
  • Test Process1: Iinductive Voltage Test, Temperature Rise Test
  • Trademark: Grewin 3 Phase Toroidal Transformer
  • Specification: CE
  • HS Code: 85043190
Product Description
Three Phase Power Toroidal Transformer for Machine, Inverter Transformer,UPS Transformer

Three Phase Power Toroidal Transformer for Machine

1.technical parameters

Toroidal Transformer 
PowerDimension (mm)Efficiency %CurrentWeight
GWB20VA60*25>8210mA 1.200.45kgs

2.  We have abtained VDE,UL,CE,ISO9000 approval .we guarantee quality is the first.
Three Phase Power Toroidal Transformer for Machine

Three Phase Power Toroidal Transformer for Machine
Three Phase Power Toroidal Transformer for Machine

Test process

1  .No-load test (included no-load voltage,no load current and no load loss)

 2.iInductive voltage test 

 3. Load test (load voltage and temperature rise

 4. Temperature rise test .

 5.Insulated resistance 

 6.Hi-pot test 

 7.Leakage indutance test 

 8.DC resistance test 

 9.Surface inspection.

3.customized audio toroidal transformer and solar energy transformer   Application:

1). Application:

1. audio equipment 
2. electric control
3. computer
6.high-end and middle-end vedio etc
Three Phase Power Toroidal Transformer for Machine


2).  Advantages:

1.High quality 100% copper core

2.a full range of toroidal transformer

3.Specially sales and technical services:5-10Years

4.With 14 years' producing history in transformer induatry

5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.



The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard.

4).GREWIN'S Dimension :

External diameter: 40mm-300mm, height :13mm-130mm, Efficiency: 75-98%

we can design the appropriate products according to customers' requirments such as installation dimension, input and output voltage,power...etc.)


 4.product procedure 

The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets:
Three Phase Power Toroidal Transformer for Machine

About us:

 1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". Due to continuous innovative research and development, our products have meet the technical standards and safety standards , which are efficient and environment-friendly. As a professional leading and a main exporter of a wide variety of electronic components in China for many years, we adhere to new products, quality to meet the needs of you and welcome all of you to negotiate

2.Flow chart of trading activities:




Days need


Request for quotation

1 day


Making quotations

1 day


Offer and counter offer

3 days


Sending and receiving samples

3-10 days


Sample confirmation

3 days


Placing a firm order

1 day


Paying and receiving the down payment

1-4 day


Factory production & Quality inspection

15-20 days


Paying and receiving the balance

4 days


Delivery of goods

1 days


Contact Information:                                                        


Tianjin Grewin Technology Co.,Ltd.





Product Groups
Send your message to this supplier
Miss Alice
Sales Manager
To: Miss Alice

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now

Find Similar Products By Category