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
ODH(mm) Weight (kg)
GWB50VA 220V (230V) 12V 8038 0.74
GWB100VA 220V (230V) 12V 9545 1.25
GWB200VA 220V (230V) 12V 11252 2.05
GWB250VA 220V (230V) 12V 11854 3.36
GWB500VA 220V (230V) 12V 14065 4.2
GWB1000VA 220V (230V) 12V 17075 7.2
GWB1500VA 220V (230V) 12V 18085 9.75
GWB2000VA 220V (230V) 12V 185105 12
GWB3000VA 220V (230V) 12V 200120 16.6
GWB5000VA 220V (230V) 12V 230*135 24
Toroidal Transformer
Power Dimension (mm) Efficiency % Current Weight
GWB20VA 6025 >82 10mA 1.200.45kgs
GWB30VA 6535 >84 10mA 1.200.50kgs
GWB50VA 7040 >88 20mA 1.151.30kgs
GWB100VA 8560 >90 30mA 1.151.50kgs
GWB120VA 9075 >93 40mA 1.102.00kgs
GWB200VA 11080 >93 100mA 1.102.80kgs
GWB300VA 12080 >94 150mA 1.083.50kgs
GWB500VA 13080 >94 150mA 1.085.00kgs
GWB800VA 14085 >94 200mA 1.086.50kgs
GWB1000VA 14085 >95 300mA 1.058.50kgs
GWB1500VA 16090 >95 400mA 1.0512.0kgs
GWB2000VA 18090 >95 400mA 1.0515.0kgs
GWB4000VA 22095 >95 500mA 1.0520.0kgs
GWB6000VA 25095 >95 500mA 1.0525.0kgs
Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015
Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015
- 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 transformer Application:
Grewin Electrical Supply Toroidal Transformer with ISO9001: 2015
1). Application:
- audio equipment
- electric control
- 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.)
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