12V 220V 50va Dry Type Ring Transformer for Audio Amplifiers

12V 220V 50va Dry Type Ring Transformer for Audio Amplifiers - Factory Direct. High-quality and reliable transformers for superior audio amplification.
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PRODUCTS DETAILS

Basic Info.

Model NO.
50VA-5000VA GWB140321
Cooling Method
Dry-type Transformer
Winding Type
Separated Winding Transformer
Certification
ISO9001-2000
Usage
Power Transformer
Frequency Characteristics
Low Frequency
Shape of Core
Ring
Brand
Grewin
Dual 110V UL Approval
Toroidal Transformer
CE Toroidal Transformer for Lighting
Minature 30va Max 5000va
Transformer for Medical Equipment
Low Rise High Efficiency
Small Size and Light Weight
95% Efficiency
Power Factor: 0.9 to 0.98
Used New Energy Areas
Copper, Aluminum
Toroidal Transformer
Encapsulated by Iron Shell
CE, RoHS, SGS, UL and ISO9001
Mounting Type
Horizontal Sunk, Side Type, and Bridge Installatio
Good Shielding Performance
Low Power Loss
Type
Waterproof Toroidal Transformer
Transport Package
Export Standard Carton with Strong Pallet
Specification
CE, UL, ROHS
Trademark
GW
Origin
Tianjin
HS Code
85043190
Production Capacity
100000PCS/Month

Product Description

1.We have abtained VDE,UL,CE,ROHS,ISO9000 Approal and SGS Audit Supplier in China,We guarantee quality is the first:
The dimension of the 12v 220v 50va dry type ring Transformer for audio  amplifiers
 The Partial List of GW-B  Series Toroidal Transformers with Cable and Mounting Holes:  

IEC CB 12V  High Efficiency Voltage power Toroidal Transformer for UPS 12V 220V 50va Dry Type Ring Transformer for Audio Amplifiers


12V 220V 50va Dry Type Ring Transformer for Audio Amplifiers
Name:

High efficiency Toroidal Transformer for Amplifier,winding machine and equipments



12V 220V 50va Dry Type Ring Transformer for Audio Amplifiers



1.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

Minature toroidal Transformer :2.5VA-15VA 

12V 220V 50va Dry Type Ring Transformer for Audio Amplifiers

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:
12V 220V 50va Dry Type Ring Transformer for Audio Amplifiers
12V 220V 50va Dry Type Ring Transformer for Audio Amplifiers

 

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:
12V 220V 50va Dry Type Ring Transformer for Audio Amplifiers

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:                                                        

Alice

Tianjin Grewin Technology Co.,Ltd.

Website:transformer.en.made-in-china.com
 
 

 

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