High Efficiency Toroidal Transformer for UPS Winding Machine

Basic Info

Model NO.: 3va 10va 150va 300va 800va 1500va 4000va 7000va
Usage: Audio Device, Amplifier, DVD, Loudspeaker
Frequency Characteristics: High Frequency
Shape of Core: Ring
Brand: Grewin Audio Toroidal Transformer
Model Number: 40va Audio Toroidal Transformer and Cable TV Trans
Coil Number: Autotransformer, High Flux Density Grain- Oriente
Transformer Usage: Electronic, Audio, Instrument, Rectifier, Reactor
Transformer for Audio Equipment: Low Rise High Efficiency Toroidal Transformer
Leads - Length and Insulation: Secondary Windings Connections
95% Efficiency: Transformer Toroidal Price Design Manufacture
Voltage Design: Customized
Test Process1: Toroidal Transformer No-Load Test
Test Process2: Toroidal Transformer Surface Inspection.
Frequency: 10Hz-20kHz
Trademark: Grewin Audio Toroidal Transformer
Transport Package: Export Standard Carton or Customize Strong Pallet
Specification: CE
Origin: China
We have abtained VDE,UL,CE,ISO9000 approval .we guarantee quality is the first.
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.
 

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.

 

About us:

 1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". 

2.Flow chart of trading activities:

 

NO

Step

Days need 

1

Request for quotation 

1 day

2

Making quotations

1 day

3

Offer and counter offer

3 days

4

Sending and receiving samples 

3-10 days

5

Sample confirmation 

3 days

6

Placing a firm order

1 day

7

Paying and receiving the down payment

1-4 day

8

Factory production & Quality inspection

15-20 days

9

Paying and receiving the balance

4 days

10

Delivery of goods

1 days




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