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Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015

We have passed ISO9001:2015,CE,SGS approval and IEC report
Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015
Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015

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

Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015

Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015


2.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.
3.customized audio toroidal transformer and solar energy transformerApplication:
Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015

1).Application:

1. audio equipment
2. electric control
3. computer
4.instrument
5.telecommunications
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.

3).Note
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:
Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015

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 afirm 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

Contact Information:
Amy

Tianjin Grewin Technology Co.,Ltd.
Website:
Tel:



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至: ISO9001,CE, ROHS, SGS approval and IEC report
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