230V 50Hz 3va Switching Power Minature Toroidal Transformer

Model NO.
GWTT
Usage
Lighting, Outdoor Lighting, Garden Lighting
Frequency Characteristics
Low Frequency
Shape of Core
Ring
Brand
Grewin Electric Control Lighting Transformer
Type
Toroidal Transformer
Coil Number
High Flux Density Grain- Oriented Silicon Steel
Input
220V 240V 120V 150VAC to 24V 110V to 24V
Loading Voltage
0-120V-240V
Frequency
50Hz/60Hz
Voltage Design
Customized
Trademark
Grewin Electric Control Lighting Transformer
Transport Package
Export Standard Carton or Customize Strong Pallet
Specification
CE
Origin
China
HS Code
85043190
Model NO.
GWTT
Usage
Lighting, Outdoor Lighting, Garden Lighting
Frequency Characteristics
Low Frequency
Shape of Core
Ring
Brand
Grewin Electric Control Lighting Transformer
Type
Toroidal Transformer
Coil Number
High Flux Density Grain- Oriented Silicon Steel
Input
220V 240V 120V 150VAC to 24V 110V to 24V
Loading Voltage
0-120V-240V
Frequency
50Hz/60Hz
Voltage Design
Customized
Trademark
Grewin Electric Control Lighting Transformer
Transport Package
Export Standard Carton or Customize Strong Pallet
Specification
CE
Origin
China
HS Code
85043190
230V 50Hz 3va Switching Power Minature Toroidal Transformer
230V 50Hz 3va Switching Power Minature Toroidal Transformer
1.Technical parameters
PowerInput Voltage(V)Output Voltage(V)Dimension
OD*H(mm)
Weight (kg)
GWB50VA220V (230V)12V80*380.74
GWB100VA220V (230V)12V95*451.25
GWB200VA220V (230V)12V112*522.05
GWB250VA220V (230V)12V118*543.36
GWB500VA220V (230V)12V140*654.2
GWB1000VA220V (230V)12V170*757.2
GWB1500VA220V (230V)12V180*859.75
GWB2000VA220V (230V)12V185*10512
GWB3000VA220V (230V)12V200*12016.6
GWB5000VA220V (230V)12V230*13524
Toroidal Transformer 
PowerDimension (mm)Efficiency %CurrentWeight
GWB20VA60*25>8210mA1.200.45kgs
GWB30VA65*35>8410mA1.200.50kgs
GWB50VA70*40>8820mA1.151.30kgs
GWB100VA85*60>9030mA1.151.50kgs
GWB120VA90*75>9340mA1.102.00kgs
GWB200VA110*80>93100mA1.102.80kgs
GWB300VA120*80>94150mA1.083.50kgs
GWB500VA130*80>94150mA1.085.00kgs
GWB800VA140*85>94200mA1.086.50kgs
GWB1000VA140*85>95300mA1.058.50kgs
GWB1500VA160*90>95400mA1.0512.0kgs
GWB2000VA180*90>95400mA1.0515.0kgs
GWB4000VA220*95>95500mA1.0520.0kgs
GWB6000VA250*95>95500mA1.0525.0kgs


2.High Quality Toroidal Transformer for Wind Energy
Power Voltage Electrical Toroid Transformers with IEC, CB. Ce, ISO9001 Manufacture
1. technical parameters.
Toroidal Transformer I
PowerThermal FuseCurrent FuseDimension (mm)Approval Mark
GWB25VA135ºC 250V 2A250V T 2A80*35CE UL TUV CQC
GWB30VA135ºC 250V 2A250V T 2A83*35CE UL TUV CQC
GWB40VA135ºC 250V 2A250V T 2A87*35CE UL TUV CQC
GWB50VA135ºC 250V 2A250V T 2A93*34CE UL TUV CQC
GWB60VA135ºC 250V 2A250V T 2A93*35CE UL TUV CQC
GWB80VA135ºC 250V 2A250V T 2A102*35CE UL TUV CQC
GWB105VA135ºC 250V 2A250V T 2A114*38CE UL TUV CQC
GWB120VA135ºC 250V 2A250V T 2A113*41CE UL TUV CQC
GWB140VA135ºC 250V 2A250V T 2A114*42CE UL TUV CQC
GWB150VA135ºC 250V 2A250V T 2A117*43CE UL TUV CQC
GWB160VA135ºC 250V 5A250V T 5A120*43CE UL TUV CQC
GWB180VA135ºC 250V 5A250V T 5A125*42CE UL TUV CQC
GWB200VA135ºC 250V 5A250V T 5A124*49CE UL TUV CQC
GWB220VA135ºC 250V 5A250V T 5A127*50CE UL TUV CQC
GWB240VA135ºC 250V 5A250V T 5A129*48CE UL TUV CQC
GWB250VA135ºC 250V 5A250V T 5A130*52CE UL TUV CQC
GWB260VA135ºC 250V 5A250V T 5A130*53CE UL TUV CQC
GWB280VA135ºC 250V 5A250V T 5A138*45CE UL TUV CQC
GWB300VA135ºC 250V 5A250V T 10A138*54CE UL TUV CQC
GWB320VA135ºC 250V 5A250V T 10A138*54CE UL TUV CQC
GWB340VA135ºC 250V 5A250V T 10A138*54CE UL TUV CQC
GWB360VA135ºC 250V 5A250V T 10A142*55CE UL TUV CQC
GWB380VA135ºC 250V 5A250V T 10A146*54CE UL TUV CQC
GWB400VA135ºC 250V 5A250V T 10A148*56CE UL TUV CQC
GWB420VA135ºC 250V 5A250V T 10A148*56CE UL TUV CQC
GWB440VA135ºC 250V 5A250V T 10A148*60CE UL TUV CQC
GWB460VA135ºC 250V 5A250V T 10A149*64CE UL TUV CQC
GWB480VA135ºC 250V 5A250V T 10A153*59CE UL TUV CQC
GWB500VA135ºC 250V 5A250V T 10A155*62CE UL TUV CQC
Toroidal Transformer
PowerDimension (mm)Efficiency %CurrentWeight
GWB20VA60*25>8210mA1.200.45kgs
GWB30VA65*35>8410mA1.200.50kgs
GWB50VA70*40>8820mA1.151.30kgs
GWB100VA85*60>9030mA1.151.50kgs
GWB120VA90*75>9340mA1.102.00kgs
GWB200VA110*80>93100mA1.102.80kgs
GWB300VA120*80>94150mA1.083.50kgs
GWB500VA130*80>94150mA1.085.00kgs
GWB800VA140*85>94200mA1.086.50kgs
GWB1000VA140*85>95300mA1.058.50kgs
GWB1500VA160*90>95400mA1.0512.0kgs
GWB2000VA180*90>95400mA1.0515.0kgs
GWB4000VA220*95>95500mA1.0520.0kgs
GWB6000VA250*95>95500mA1.0525.0kgs

3.Waterproof outdoor toroidal Transformer :105VA-1000VA
Power Voltage Electrical Toroid Transformers with IEC, CB. Ce, ISO9001 Manufacture
Waterproof Toroidal Transformer
ModelPower(va)Input Voltage(v)Output Voltage(v)/A
GWET-105105VAA220-240V 50-60HZ24V/4.38A
B220-240V 50-60HZ12V/8.75A
GWET-150150VAA220-240V 50-60HZ24V/6.25A
B220-240V 50-60HZ12V/12.5A
GWET-180180VAA220-240V 50-60HZ24V/7.5A
B220-240V 50-60HZ12V/15A
GWET-200200VAA220-240V 50-60HZ24V/8.33A
B220-240V 50-60HZ12V/16.67A
GWET-250250VAA220-240V 50-60HZ24V/10.42A
B220-240V 50-60HZ12V/20.83A
GWET-300300VAA220-240V 50-60HZ24V/12.5A
B220-240V 50-60HZ12V/25A
GWET-350350VAA220-240V 50-60HZ24V/14.58A
B220-240V 50-60HZ12V/29.17A
GWET-400400VAA220-240V 50-60HZ24V/16.67A
B220-240V 50-60HZ12V/33.33A
GWET-450450VAA220-240V 50-60HZ24V/18.75A
B220-240V 50-60HZ12V/37.5A
GWET-500500VAA220-240V 50-60HZ24V/20.83A
B220-240V 50-60HZ12V/41.67A
GWET-600600VAA220-240V 50-60HZ24V/25A
B220-240V 50-60HZ12V/50A
GWET-800800VAA220-240V 50-60HZ24V/33.33A
B220-240V 50-60HZ12V/66.67A
GWET-10001000VAA220-240V 50-60HZ24V/41.67A
B220-240V 50-60HZ12V/83.3A


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 transformer   Application:
230V 50Hz 3va Switching Power Minature Toroidal Transformer

 

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:
230V 50Hz 3va Switching Power Minature Toroidal Transformer

About us:
We have passed ISO9001:2015,CE,SGS approval and IEC report
230V 50Hz 3va Switching Power Minature Toroidal Transformer
230V 50Hz 3va Switching Power Minature Toroidal Transformer

1.Technical parameters

 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

Contact Information:       
Alice
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com