220V 12V Toroidal Power Supply Transformer, Machine Transformer, Lighting Transformer

Product Description

Name:
220v 12v Toroidal Power Supply Transformer,Machine Transformer,Lighting Transformer

1.  technical parameters.
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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 transformer   Application: 

 

 

Especially low-hum and low-dispersing construction 
Low-level of induction 
High-grade design casing possible 
Statically shield winding and magnetical shield winding optional .

other related toroidal transformer:

 

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 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

Tianjin Grewin Technology Co.,Ltd.

 

tel:[phone]
 

Website:

http://transformer.en.made-in-china.com

http://transformer.en.made-in-china.com