Import-Export Bulletin Board  

Home > Offers to Sell > Electronics & Electrical > Transformers

Contact: Amy Walker
Company: Tianjin Grewin Technology Co.,ltd.
RM1013 2#Building MeiNian Plaza No.16 DongTing Road HeXi Distr, 300222 Tianjin China.
Tianjin 300222
Phone: +862284943756
E-Mail: Send Inquiry
Date/Time:  8/16/18 7:43 GMT

50Hz Power Supply Toroidal Transformer for Television

We have passed ISO9001:2015,CE,SGS approval and IEC report
50Hz Power Supply Toroidal Transformer for Television
50Hz Power Supply Toroidal Transformer for Television
1.Technical parameters

Power Input Voltage(V) Output Voltage(V) Dimension
OD*H(mm) Weight (kg)
GWB50VA 220V (230V) 12V 80*38 0.74
GWB100VA 220V (230V) 12V 95*45 1.25
GWB200VA 220V (230V) 12V 112*52 2.05
GWB250VA 220V (230V) 12V 118*54 3.36
GWB500VA 220V (230V) 12V 140*65 4.2
GWB1000VA 220V (230V) 12V 170*75 7.2
GWB1500VA 220V (230V) 12V 180*85 9.75
GWB2000VA 220V (230V) 12V 185*105 12
GWB3000VA 220V (230V) 12V 200*120 16.6
GWB5000VA 220V (230V) 12V 230*135 24
Toroidal Transformer
Power Dimension (mm) Efficiency % Current Weight
GWB20VA 60*25 >82 10mA 1.200.45kgs
GWB30VA 65*35 >84 10mA 1.200.50kgs
GWB50VA 70*40 >88 20mA 1.151.30kgs
GWB100VA 85*60 >90 30mA 1.151.50kgs
GWB120VA 90*75 >93 40mA 1.102.00kgs
GWB200VA 110*80 >93 100mA 1.102.80kgs
GWB300VA 120*80 >94 150mA 1.083.50kgs
GWB500VA 130*80 >94 150mA 1.085.00kgs
GWB800VA 140*85 >94 200mA 1.086.50kgs
GWB1000VA 140*85 >95 300mA 1.058.50kgs
GWB1500VA 160*90 >95 400mA 1.0512.0kgs
GWB2000VA 180*90 >95 400mA 1.0515.0kgs
GWB4000VA 220*95 >95 500mA 1.0520.0kgs
GWB6000VA 250*95 >95 500mA 1.0525.0kgs
50Hz Power Supply Toroidal Transformer for Television

50Hz Power Supply Toroidal Transformer for Television

2. We have abtained VDE,UL,CE,ISO9000 approval .we guarantee quality is the
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
50Hz Power Supply Toroidal Transformer for Television

1). Application:

1. audio equipment
2. electric control
3. computer
6.high-end and middle-end vedio etc

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
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:
50Hz Power Supply Toroidal Transformer for Television

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:



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.
Tel:86- , 22-84943756

Minimum Order: 100 pieces

50Hz Power Supply Toroidal Transformer for Television
Enlarge Click to Enlarge
SOURCE: Import-Export Bulletin Board (
Report Abuse

Involved in International Trade? Become an Advertiser!

Post an Offer to Sell

© 1996-2010 All rights reserved.