230V 5va 8va Mini Toroidal Ring Transformer for Converter Lighting

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Core: Toroid Core
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 2.8va 3va 3.5va 3.7va 5.2va 7va 10va 11va 12va
• Cooling Method: Dry-type Transformer
• Winding Type: Multi-winding Transformer
• Certification: ISO9001-2000, UL, ISO9001, CCC, CE
• Usage: Solar Inverter, Solar Converter, Solar Lighting
• Frequency Characteristics: Low Frequency
• Shape of Core: Ring
• Brand: Grewin Mini Solar Toroidal Transformer
• Coil Structure: CE UL Toroidal Transformer
• Coil Number: Autotransformer, High Flux Density Grain- Oriented
• Leads - Length and Insulation: Secondary Windings Connections
• Transformer for Medical Equipment: Low Rise High Efficiency Toroidal Transformer
• Application1: Solar Inverter, Solar Converter, Solar Lighting
• Short-Circuit-Proof Safety: Isolating Transformer
• 95% Efficiency: Transformer Toroidal Price Design Manufacture
• Toroidal Transformer Type: 15va 16va 17va 18va 20va 22va 23va
• Test Process1: Iinductive Voltage Test, Temperature Rise Test
• Test Process2: Leakage Indutance Test, DC Resistance Test
• Transport Package: Export Standard Carton or Customize Strong Pallet
• Specification: CE
• Trademark: Grewin Mini Solar Toroidal Transformer
• Origin: China
• HS Code: 85043190
• Production Capacity: 50000 PCS

Product Description

Name:230v 5va Mini Toroidal ring Transformer for Converter Lighting



Mini Solar Toroidal ring Transformer for Converter Lighting




1.  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:

 

 

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

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 ". 

 

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