220V 24V Toroidal Power Transformer
1.Technical parameters.
| Toroidal TransformerI | |||||||
| Power | Thermal Fuse | Current Fuse | Dimension (mm) | Approval Mark | |||
| GWB25VA | 135ºC 250V 2A | 250VT2A | 80*35 | CE UL TUV CQC | |||
| GWB30VA | 135ºC 250V 2A | 250VT2A | 83*35 | CE UL TUV CQC | |||
| GWB40VA | 135ºC 250V 2A | 250VT2A | 87*35 | CE UL TUV CQC | |||
| GWB50VA | 135ºC 250V 2A | 250VT2A | 93*34 | CE UL TUV CQC | |||
| GWB60VA | 135ºC 250V 2A | 250VT2A | 93*35 | CE UL TUV CQC | |||
| GWB80VA | 135ºC 250V 2A | 250VT2A | 102*35 | CE UL TUV CQC | |||
| GWB105VA | 135ºC 250V 2A | 250VT2A | 114*38 | CE UL TUV CQC | |||
| GWB120VA | 135ºC 250V 2A | 250VT2A | 113*41 | CE UL TUV CQC | |||
| GWB140VA | 135ºC 250V 2A | 250VT2A | 114*42 | CE UL TUV CQC | |||
| GWB150VA | 135ºC 250V 2A | 250VT2A | 117*43 | CE UL TUV CQC | |||
| GWB160VA | 135ºC 250V 5A | 250VT5A | 120*43 | CE UL TUV CQC | |||
| GWB180VA | 135ºC 250V 5A | 250VT5A | 125*42 | CE UL TUV CQC | |||
| GWB200VA | 135ºC 250V 5A | 250VT5A | 124*49 | CE UL TUV CQC | |||
| GWB220VA | 135ºC 250V 5A | 250VT5A | 127*50 | CE UL TUV CQC | |||
| GWB240VA | 135ºC 250V 5A | 250VT5A | 129*48 | CE UL TUV CQC | |||
| GWB250VA | 135ºC 250V 5A | 250VT5A | 130*52 | CE UL TUV CQC | |||
| GWB260VA | 135ºC 250V 5A | 250VT5A | 130*53 | CE UL TUV CQC | |||
| GWB280VA | 135ºC 250V 5A | 250VT5A | 138*45 | CE UL TUV CQC | |||
| GWB300VA | 135ºC 250V 5A | 250VT10A | 138*54 | CE UL TUV CQC | |||
| GWB320VA | 135ºC 250V 5A | 250VT10A | 138*54 | CE UL TUV CQC | |||
| GWB340VA | 135ºC 250V 5A | 250VT10A | 138*54 | CE UL TUV CQC | |||
| GWB360VA | 135ºC 250V 5A | 250VT10A | 142*55 | CE UL TUV CQC | |||
| GWB380VA | 135ºC 250V 5A | 250VT10A | 146*54 | CE UL TUV CQC | |||
| GWB400VA | 135ºC 250V 5A | 250VT10A | 148*56 | CE UL TUV CQC | |||
| GWB420VA | 135ºC 250V 5A | 250VT10A | 148*56 | CE UL TUV CQC | |||
| GWB440VA | 135ºC 250V 5A | 250VT10A | 148*60 | CE UL TUV CQC | |||
| GWB460VA | 135ºC 250V 5A | 250VT10A | 149*64 | CE UL TUV CQC | |||
| GWB480VA | 135ºC 250V 5A | 250VT10A | 153*59 | CE UL TUV CQC | |||
| GWB500VA | 135ºC 250V 5A | 250VT10A | 155*62 | CE UL TUV CQC | |||
| 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 | |||
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:
1).Application:
1. audio equipment
2. electric control
3.computer
4. solar device
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:
About us:
1.Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". Due to continuous innovative research and development, our products have meet the technical standards and safety standards ,which are efficient and environment friendly. As aprofessional leading and amain exporter of awide variety of electronic components in China for many years, we adhere to new products, quality to meet the needs of you and welcome all of you to negotiate.
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. Tel: Website:
|
Send product request
Other supplier products
| Electronics Power Supply China for Switching | Electronics Power Supply China with IEC1. Their input voltage can be different to meet requirements of various regions: AC380V-240V-230V-220V-120V-... | |
| Grewin Current-Type Miniature Voltage Transformer (GWTV31B) | The grewin TV series of miniature voltage transformers are designed for applications where AC voltage signals must be transformed accurately into a... | |
| Grewin AC 220V 50Hz 0-32KV 2000J 0-10KV 500J high voltage signal generator for Cable Fault location | Design Features lIntegrated design without HV leak lHV directly connect with the cable, easy and safe. lZero-position set up, release HV power ener... | |
| split core current transformer 1000/5a | Features lThe structure of the self-locking, safe, easy to install, portable lWide inner window, allowing clamping of big cables or bus-bars lWid... | |
| GWSCCT661Rated Input 0.5-630A Output 0-500mA/0.333V split core toroidal current transformer for Current measurement | Features lThe structure of the self-locking, safe, easy to install, portable lWide inner window, allowing clamping of big cables or bus-bars lWid... |
Same products
| ACREL AID150 ALARM AND DISPLAY DEVICE | Seller: Jiangsu Acrel Electrical Manufacturing Co., LTD. | The AID150 insulation monitoring device schneideris designed for visual and audible indication of... | |
| ACREL ANSVG STATIC VAR GENERATOR | Seller: Jiangsu Acrel Electrical Manufacturing Co., LTD. | ANSVG series of reactive power and harmonic hybrid compensation devices are connected in parallel... | |
| The Working Principle of Active Power Filter | Seller: Jiangsu Acrel Electrical Manufacturing Co., LTD. | Active power filter is a new type of power electronic device used to dynamically suppress harmoni... | |
| ACREL PZ72L-DE MULTIFUNCTION DC ENERGY METER | Seller: Jiangsu Acrel Electrical Manufacturing Co., LTD. | PZ series intelligent DC atorch electric energy meteris designed for applications such as DC pane... | |
| ACREL DTSD1352-C SOLAR INVERTER SMART METER | Seller: Jiangsu Acrel Electrical Manufacturing Co., LTD. | Acrel sungrow smart meterDTSD1352 din rail type multi-function energy meter is an intelligent ins... |



















