Tianjin, China
Business Type:
Manufacturer/Factory
Business Range:
Consumer Electronics, Electrical & Electronics, Industrial Equipment & Components, ...
Plant Area:
501~1000 square meters
Management System Certification:
ISO 9001
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
OEM/ODM Service
Sample Available
MEI Awards

Toroidal Transformer, Dry Type Transformer, Audio Transformer manufacturer / supplier in China, offering 220V to 110V Dry Type Toroidal Transformer for Audio Transformer, 10va-25va Encapsulated PCB Mounted 50 Hz Low Frequency Toroidal Trannsformer for PCB, 1mv/a Rated Output 2000A Maximum Primary Current Clamp-on Core Design Safer Current Probe for Power Fault Test and so on.

Gold Member Since 2011
Audited Supplier
Supplier Homepage Products Audio toroidal transformer 220V to 110V Dry Type Toroidal Transformer for Audio Transformer

220V to 110V Dry Type Toroidal Transformer for Audio Transformer

Get Latest Price
Purchase Qty. / Reference FOB Price
100-499 Pieces US $9
500-999 Pieces US $8.8
1,000+ Pieces US $8.5
Port: Tianjin, China
Production Capacity: 500000PCS Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
Phase: Single
Core: Core-type Transformer
Cooling Method: Dry-type Transformer
Winding Type: Two-winding Transformer
Frequency Characteristics: Power Frequency

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Basic Info

Model NO.
GWB2459 etc.
Shape of Core
Ring
Brand
Grewin
Type
Toroidal Transformer
Power
50va 450va
Output
220-240VAC
Model Number
50va 450va
Input
220-240VAC
95% Efficiency
Power Factor: 0.9 to 0.98
Encapsulated by Iron Shell
Ce, RoHS, SGS, Cesi and ISO9001:2015
Coil Number
High Flux Density Grain- Oriented Silicon Steel
Transformer
Audio Toroidal Transformer
Usage
Power, Electronic, Audio, Instrument, etc.
Trademark
GW
Transport Package
Export Standard Carton with Strong Pallet
Specification
CE, ROHS
Origin
Tianjin
HS Code
85043190

We have passed ISO9001:2015,CE,SGS approval and IEC report
220V to 110V Dry Type Toroidal Transformer for Audio Transformer
220V to 110V Dry Type Toroidal Transformer for Audio 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>8210mA 1.200.45kgs
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
220V to 110V Dry Type Toroidal Transformer for Audio Transformer


220V to 110V Dry Type Toroidal Transformer for Audio Transformer

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:
220V to 110V Dry Type Toroidal Transformer for Audio 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:
220V to 110V Dry Type Toroidal Transformer for Audio Transformer

About us:

 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:       
Cathy

Tianjin Grewin Technology Co.,Ltd.
Website:www.grewin-tech.com
Tel:86-22-84943756                   

 

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