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

Light Usage Transformer, Toroidal Transformer, High Quality Transformer manufacturer / supplier in China, offering High Quality Toroidal Core Transformer for Lighting, 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

High Quality Toroidal Core Transformer for Lighting

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: 50000 PCS
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram, cash
Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, LED Lighting
Phase: Single
Core: Toroid Core
Cooling Method: Dry-type Transformer
Winding Type: Auto-transformer
Certification: ISO9001-2000, UL, ISO9001, CCC, CE

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Basic Info

Model NO.
GWB2415 etc.
Usage
Lighting, Ourdoor Lighting, Garden Lighting
Frequency Characteristics
Low Frequency
Shape of Core
Ring
Brand
Grewin Toroidal Transformer
Coil Number
High Flux Density Grain- Oriented Silicon Steel
Input
220V 240V 120V 150VAC to 24V 110V to 24V
Loading Voltage
0-120V-240V
Frequency
50Hz/60Hz
Power
100va 3000va 6000va 8000va Transformer for Audio E
Voltage Design
Customized
Type
Toroidal Transformer
Trademark
Grewin Toroidal Transformer for Lighting
Transport Package
Export Standard Carton or Customize Strong Pallet
Specification
CE
Origin
China
HS Code
85043190

We have passed ISO9001:2015,CE,SGS approval and IEC report
High Quality Toroidal Core Transformer for Lighting
High Quality Toroidal Core Transformer for Lighting

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

Professional Electrical Toroidal Transformers with IEC, ISO9001, Ce Certification
High Quality Toroidal Core Transformer for Lighting

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.  Application:
High Quality Toroidal Core Transformer for Lighting

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:
High Quality Toroidal Core Transformer for Lighting

About us:

 1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". 
High Quality Toroidal Core Transformer for Lighting

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:www.grewin-tech.com
Tel:86-22-84943756 
 

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Miss Alice
Sales Manager