Power Suply Isolation Core Toroidal Transformer for LED Lighting
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Product Highlights
- Wide Power Range: Available from 20VA to 6000VA to meet diverse lighting and audio needs.
- High Efficiency: Efficiency ratings up to 98% ensure energy savings and low heat generation.
- Multi-Certification: Certified with UL, CE, SGS, IEC, ISO9001:2015, and CCC for global compliance.
- Customizable Design: Custom voltage, power, and dimensions available based on customer requirements.
- 100% Copper Core: Constructed with high-quality copper for superior conductivity and durability.
- Comprehensive Testing: Undergoes 9 rigorous tests including Hi-pot, temperature rise, and insulation.
- Expert Manufacturing: 14 years of industry experience with a focus on quality and honesty.
- Versatile Application: Suitable for LED lighting, audio equipment, medical, and industrial control.
Product Attributes
- Customization
- Available
- Application
- Power, Electronic, Instrument, Lighting, Rectifier, Audio, LED Lighting
- Phase
- Single
- Model NO.
- 50va 100va 150va 200va 250va 300va 500va 1000va
- Core
- Toroid Core
- Cooling Method
- Dry-type Transformer
- Winding Type
- Auto-transformer
- Certification
- ISO9001-2000, ISO9001, CCC, ISO9001:2015,Ce,SGS, IEC
- Usage
- Lighting, outdoor Lighting, Garden Lighting
- Frequency Characteristics
- Low Frequency
- Shape of Core
- Ring
- Brand
- Grewin Isolation Core Transformer
- Model Number
- Isolation Core Lighting Transformer 10va 50va 100V
- 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
- 95% Efficiency
- Lighting Transformer Power Factor: 0.9 to 0.98
- Power
- 100va 3000va 6000va 8000va Transformer for Audio E
- Transformer for Medical Equipment
- Low Rise High Efficiency Lighting Transformer
- Leads - Length and Insulation
- Secondary Windings Connections
- Voltage Design
- Customized
- Transport Package
- Export Standard Carton or Customize Strong Pallet
- Specification
- CE
- Trademark
- Grewin Isolation Core Lighting Transformer
- Origin
- China
- HS Code
- 85043190
- Production Capacity
- 50000 PCS
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Power Suply Isolation Core Toroidal Transformer for LED Lighting
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Product Description

| 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 | |||


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:
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 core2.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:
Cathy
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com
Tel:86-22-84943756
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR246099". Items marked "" are certified.
Company Profile
Tianjin Grewin Group is concentrating on transformers for 25 Years and complianted by ISO9001: 2015, CB, IEC CB, CE etc. We're always pay great attention to its business philosophy "Quality and Honesty First". Grewin is specialized in the design and manufacture of wound components such as transformer, current sensors, chokes etc. Windely used in communications, electronics, meters, industrial control, medical equipments and other fields. We are also a provider of power meters and tape and winding machines. 85% of its products exported to America, Europe, and Asia etc. We sincerely invite you to join us to create a bright future.
Tianjin Grewin Technology Co. Ltd. In Tianjin City which is very close to XinGang Port and BinHai International Airport, which provide timely and convenient access to transportations for customers. It's a professional leading and a main exporter of a wide variety of electronics components in north of China.
All of our products stand for top quality in this industry and are enjoying very high honor. We have abtained ISO9001, CE, SGS approval and IEC test report.
Our core business are including following:
1. Toroidal Transformers
2. Current Transformers
3. EI laminated Transformers
4. Ferrite Core Transformers
5. Coil WIinding Machines
6. Taping Machines
7. Cable Fault Locators
8. Pipe locator
All staff in our company would like to appreciate for your attention to our products. Welcome to give us your valuable suggestions about products and services. You can be our sole agent in your country and benefit from more preferable prices. OEM orders are welcome.
About Our Factory & Business Background
- Address
- 2# MeiNian Plaza No.16 DongTing Road,Hexi Distr,300222,Tianjin China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- EXW, CFR, CIF, FAS, DDP, DAP, CIP, CPT, Others, FCA
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- TIANJIN XINGANG SEA PORT, SHANGHAI SEA PORT, QINGHUANGDAO SEA PORT
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2006-08-09
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What certifications does the transformer have?
- The product holds ISO9001:2015, CE, SGS, IEC, UL, CCC, and ISO9000 certifications.
- Can the transformer be customized?
- Yes, we can customize voltage, power, dimensions, and design according to customer requirements.
- What is the production lead time?
- Factory production and quality inspection take 15-20 days after order confirmation.
- What is the efficiency rating?
- Efficiency ranges from 75% to 98%, with many models exceeding 90%.
- What testing processes are performed?
- We perform 9 tests including no-load, inductive voltage, load, temperature rise, and Hi-pot tests.
- What are the main applications?
- It is used for LED lighting, audio equipment, medical equipment, and industrial control.
- What is the warranty or quality guarantee?
- We guarantee quality as the first priority, backed by 14 years of manufacturing experience.
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Product Groups
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- Toroidal Transformer Test Equipment
- toroidal transformer
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- sator winding machine
- Automatic Copper Wire Stripping Machine
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