• Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment
  • Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment
  • Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment
  • Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment
  • Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment
  • Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment

Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment

Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
Phase: Single
Core: Core-type Transformer
Cooling Method: Dry-type Transformer
Winding Type: Separated Winding Transformer
Certification: ISO9001-2000, ISO9001, CCC
Samples:
US$ 0/Piece 1 Piece(Min.Order)
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Customization:

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Basic Info.

Model NO.
GWB2415 etc.
Usage
Single-phase Transformer
Frequency Characteristics
High Frequency
Shape of Core
Ring
Brand
Grewin Audio Toroidal Transformer
Type
Toroidal Transformer
Encapsulated by Iron Shell
Ce, RoHS, SGS, UL and ISO9001
Test Process1
Iinductive Voltage Test, Temperature Rise Test
Test Process2
Leakage Indutance Test, DC Resistance Test
Voltage Design
Customized
Transport Package
Export Standard Carton with Strong Pallet
Specification
CE, UL, ROHS
Trademark
Grewin Audio Toroidal Transformer
Origin
Tianjin
HS Code
85043190
Production Capacity
50000PCS/Month

Product Description

Product Name:Low Temperature Rise high efficiency Power Toroidal Transformer for Audio Equipment
We have abtained ISO9001:2015,IEC,CE approval .w
e guarantee quality is the first.

Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment



Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment
High Quality Toroidal Transformer for Wind Energy
Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment
1.  technical parameters.

 
Toroidal Transformer  I
Power Thermal Fuse Current Fuse Dimension (mm) Approval Mark
GWB25VA 135ºC 250V 2A 250V  T  2A 80*35 CE UL TUV CQC
GWB30VA 135ºC 250V 2A 250V  T  2A 83*35 CE UL TUV CQC
GWB40VA 135ºC 250V 2A 250V  T  2A 87*35 CE UL TUV CQC
GWB50VA 135ºC 250V 2A 250V  T  2A 93*34 CE UL TUV CQC
GWB60VA 135ºC 250V 2A 250V  T  2A 93*35 CE UL TUV CQC
GWB80VA 135ºC 250V 2A 250V  T  2A 102*35 CE UL TUV CQC
GWB105VA 135ºC 250V 2A 250V  T  2A 114*38 CE UL TUV CQC
GWB120VA 135ºC 250V 2A 250V  T  2A 113*41 CE UL TUV CQC
GWB140VA 135ºC 250V 2A 250V  T  2A 114*42 CE UL TUV CQC
GWB150VA 135ºC 250V 2A 250V  T  2A 117*43 CE UL TUV CQC
GWB160VA 135ºC 250V 5A 250V  T  5A 120*43 CE UL TUV CQC
GWB180VA 135ºC 250V 5A 250V  T  5A 125*42 CE UL TUV CQC
GWB200VA 135ºC 250V 5A 250V  T  5A 124*49 CE UL TUV CQC
GWB220VA 135ºC 250V 5A 250V  T  5A 127*50 CE UL TUV CQC
GWB240VA 135ºC 250V 5A 250V  T  5A 129*48 CE UL TUV CQC
GWB250VA 135ºC 250V 5A 250V  T  5A 130*52 CE UL TUV CQC
GWB260VA 135ºC 250V 5A 250V  T  5A 130*53 CE UL TUV CQC
GWB280VA 135ºC 250V 5A 250V  T  5A 138*45 CE UL TUV CQC
GWB300VA 135ºC 250V 5A 250V  T  10A 138*54 CE UL TUV CQC
GWB320VA 135ºC 250V 5A 250V  T  10A 138*54 CE UL TUV CQC
GWB340VA 135ºC 250V 5A 250V  T  10A 138*54 CE UL TUV CQC
GWB360VA 135ºC 250V 5A 250V  T  10A 142*55 CE UL TUV CQC
GWB380VA 135ºC 250V 5A 250V  T  10A 146*54 CE UL TUV CQC
GWB400VA 135ºC 250V 5A 250V  T  10A 148*56 CE UL TUV CQC
GWB420VA 135ºC 250V 5A 250V  T  10A 148*56 CE UL TUV CQC
GWB440VA 135ºC 250V 5A 250V  T  10A 148*60 CE UL TUV CQC
GWB460VA 135ºC 250V 5A 250V  T  10A 149*64 CE UL TUV CQC
GWB480VA 135ºC 250V 5A 250V  T  10A 153*59 CE UL TUV CQC
GWB500VA 135ºC 250V 5A 250V  T  10A 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

Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment

2.  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. Application:


Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment
 

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:


Low Temperature Rise High Efficiency Power Toroidal Transformer for Audio Equipment

 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 a professional leading and a main exporter of a wide 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 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.Lee

Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com
Tel:86-22-84943756  

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Diamond Member Since 2011

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Manufacturer/Factory
Plant Area
501~1000 square meters
Management System Certification
ISO 9001