220V 230V 40va Low Noise Audio Toroidal Transformer

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Model NO.: GWTT
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, ISO9001, CCC, CE
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, Audio Device, Amplifier, DVD, Loudspeaker
• Frequency Characteristics: High Frequency
• Shape of Core: Ring
• Brand: Grewin Audio Toroidal Transformer
• Model Number: 40va Audio Toroidal Transformer and Cable TV Trans
• Coil Number: Autotransformer, High Flux Density Grain- Oriente
• Transformer Usage: Electronic, Audio, Instrument, Rectifier, Reactor
• Transformer for Audio Equipment: Low Rise High Efficiency Toroidal Transformer
• Leads - Length and Insulation: Secondary Windings Connections
• 95% Efficiency: Transformer Toroidal Price Design Manufacture
• Voltage Design: Customized
• Test Process1: Toroidal Transformer No-Load Test
• Test Process2: Toroidal Transformer Surface Inspection.
• Frequency: 10Hz-20kHz
• Transport Package: Export Standard Carton or Customize Strong Pallet
• Specification: CE
• Trademark: Grewin Audio Toroidal Transformer
• Origin: China
• HS Code: 85043190
• Production Capacity: 50000 PCS

Product Description

1.Transformer for UPS power supply Technical parameters

input voltage(V)	output voltage(V)	outside dimension OD*H(mm)	weight(kg)
220V(230V)	12V/500VA	145*65	5.5
220V(230V)	12V/1000VA	175*85	8.5
220V(230V)	12V/2000VA	210*90	14.7
220V(230V)	12V/2500VA	210*100	16.7
220V(230V)	12V/3000VA	215*105	17.7
220V(230V)	12V/3500VA	230*115	21.8
220V(230V)	12V/5000VA	290*115	30
220V(230V)	12V/7000VA	330*115	31.5

2.Transformer for Audio Technology Technical parameters

Power	Input Voltage(V)		Output Voltage(V)		Dimension OD*H(mm)		Weight (kg)
GWB50VA	220V (230V)		12V		80*38		0.74
GWB100VA	220V (230V)		12V		95*45		1.25
GWB200VA	220V (230V)		12V		112*52		2.05
GWB250VA	220V (230V)		12V		118*54		3.36
GWB500VA	220V (230V)		12V		140*65		4.2
GWB1000VA	220V (230V)		12V		170*75		7.2
GWB1500VA	220V (230V)		12V		180*85		9.75
GWB2000VA	220V (230V)		12V		185*105		12
GWB3000VA	220V (230V)		12V		200*120		16.6
GWB5000VA	220V (230V)		12V		230*135		24

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

3.Minature toroidal Transformer :2.5VA-15VA 

4.Transformer for medical equipment Technical parameters

5.Transformer for solar Technology Technical parameters

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:
CLASS H HIGH STANDARD TOROIDAL TRANSFORMER FOR MEDICAL EQUIPMENT:


 

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:

About us:

IEC CB 12V  High Efficiency Voltage power Toroidal Transformer for UPS 

 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