Power Rating Signal Isolated Encapsulated Transformer for Lighting
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Product Highlights
- Wide Power Range: Available in 1.2W to 1500W options for diverse applications.
- Customization Support: OEM/ODM welcome; input voltage and specifications are customizable.
- Strict Quality Control: 100% tested before shipment with Hi-Pot shock and insulation checks.
- Global Certifications: Certified by UL, CE, SGS, ISO9001:2015, CCC, and IEC standards.
- High-Quality Materials: Core made of high-quality silicone laminated steel for durability.
- Versatile Applications: Suitable for lighting, audio, communication, and measuring instruments.
- Fast Delivery: Standard delivery within 15 working days after order confirmation.
- Long Lifespan: Transformer quality lifetime guaranteed for 10 years.
Product Attributes
- Customization
- Available
- Application
- Power, Electronic, Instrument, Lighting, Rectifier, Audio, Charger, Lamp, Communication Equipment
- Phase
- Single
- Model NO.
- GWEI28, EI30, EI35, EI41, EI48, EI57, EI66 etc.
- Core
- Shell-type Transformer
- Cooling Method
- Dry-type Transformer
- Winding Type
- Auto-transformer
- Certification
- ISO9001-2000, ISO9001, CCC, ISO9001:2015, Ce, SGS, IEC
- Usage
- Ei Low Frequency Transformer for Audio, Lighting
- Frequency Characteristics
- Low Frequency
- Shape of Core
- EI
- Brand
- Grewin Ei Low Frequency Transformer
- Input Voltage
- AC380V-240V-230V-220V-120V-110V-100V
- Expoxy Resin Transformer
- PCB Mounting Encapsulated Transfomrers
- Dielectric Strength 4500vrms
- Temperature Classb
- Test
- All Products Are 100% Test Passed and Hi-Pot Shock
- Maximum Output
- 1.2W, 12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W, 6
- Output
- AC(0--380V); DC(0--50V)
- Application1
- Measuring Instruments;Communication etc.
- Design and Custmize
- Inductance, Coils, Transformers with Best Quality
- Material
- Silicone Laminated Steel
- Transport Package
- Export Standard Carton or Customize Strong Pallet
- Specification
- CE
- Trademark
- Grewin Ei Encapsulated Low Frequency Transformer
- Origin
- China
- HS Code
- 85043190
- Production Capacity
- 50000PCS
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 Rating Signal Isolated Encapsulated Transformer for Lighting
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Product Description


1.Product Specification:
1). Models:
EI28, EI30, EI35, EI41, EI57, EI66, EI86, EI96, EI105, EI114, EI133, EI152, EI162 etc.
2). Maximum output: 1.2W, 2W, 4W,12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W, 400W, 600W, 850W, 1500W, 2400W, 2700W etc.
3). Input:
100Vac, 110Vac, 115Vac, 120Vac, 220Vac, 230Vac, 240Vac etc.
4). Output:
AC(0--380V); DC(0--50V)
2.Technical Parameter Table:
Brand Name: |
GREWIN Transformer | Mode; | EI | Coil number: | Autotransformer |
| Phase: | Single | Core structure | Lamination | Coil structure: | Toroidal |
| Power: | 0.15-1,500W | Input Voltage | AC380V-240V-230V-220V-120V-110V-100V | ||
| Application | Instruments ;Communication products |
Output Voltage | AC(0--380V); DC(0--50V) | ||
| Deliver time | 15 working days | Package | Customized standard cartons | ||
| ATTENTION: | YOU CA CUSTOMIZED ALL SERIERS ACCORDING TO YOUR REQUERMENT | ||||
Model |
Power | Dimension(cm) | Weight (KG) | Voltage regulation |
Approval mark | ||||
| A(cm) ±1.5 |
B(cm) ±2 |
C(cm) ±2 |
D(cm) ±2 |
E(cm) ±2 |
|||||
| GWT-EI28 | 1.5W | 43 | 30 | 38 | 28 | 0.11 | 35 | CE,TUV, | |
| GWT-EI35 | 3.0W | 47 | 37 | 38 | 33 | 0.15 | 22 | CE,TUV, | |
| GWT-EI41 | 11.0W | 54 | 43 | 47 | 35 | 0.32 | 16.5 | CE,TUV, | |
| GWT-EI48 | 25.0W | 62 | 50 | 65 | 43 | 0.57 | 13.1 | CE,TUV, | |
| GWT-EI57 | 40.0W | 73 | 59 | 65 | 51 | 0.84 | 11.8 | CE,TUV, | |
| GWT-EI66 | 80.0W | 83 | 68 | 80 | 58 | 1.38 | 9.3 | CE,TUV, | |
| GWT-EI76 | 140W | 64 | 70 | 76 | 85 | 68 | 2.25 | 7.6 | CE,TUV, |
| GWT-EI86 | 180W | 72 | 75 | 86 | 92 | 73 | 2.82 | 7.1 | CE,TUV, |
| GWT-EI96 | 250W | 80 | 81 | 96 | 90 | 82 | 3.36 | 6 | CE,TUV, |
1). Measuring instruments.
2). Communication prducts.
3). Medical instruments.
4). Audio & Video
5). Elevator
6). Machinery

4.Features:
1) Important components for electronic equipment and wireless equipment
2) Power: 0.15-1,500W
3) The transformer core is made of high quality silicone laminated steel
4) All products are 100% test passed and hi-pot shock
5) Clean, tidy, easy for installation
5.Advantage:
1.UL, CUL, CE, ROHS, ISO9001:2008
2.We offer custom-made transformers, OEM and ODM are welcome
3.We deliver the quality you expect at consistently competitive prices
4.Transformer quality lifetime:10 Years.
5.Specialty Sales service:5 -10 Years
6.Transformers Test: 100% test before the shipment
About us:
1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".
Grewin Mission: Growing together side by side,Mutual success hand in hand.
Production:

2.Terms of Shipment:
Within 10 working days after received related prepayment or L/C.
3.Payment terms:
(1). T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before
delivery.
(2). By irrevocable L/C at sight, to be issued immediately against confirmed order.
(3). Payment by T/T, if order amount is less than USD 20,000.
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:
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 is the maximum output power available?
- The maximum output power ranges from 1.2W up to 1500W, with specific models available up to 2700W.
- Can the input voltage be customized?
- Yes, we offer customization for input voltages including AC 100V, 110V, 120V, 220V, 230V, 240V, and 380V.
- What certifications does the transformer have?
- The product holds ISO9001:2015, CE, SGS, UL, CCC, and IEC certifications.
- What is the delivery time for orders?
- Standard delivery time is within 15 working days after receiving payment or L/C.
- Is OEM and ODM service available?
- Yes, we welcome OEM and ODM orders and can customize transformers according to specific requirements.
- How are the products tested before shipment?
- All products undergo 100% testing, including Hi-Pot shock tests, before shipment.
- What are the payment terms?
- Payment options include T/T (100% or 50% deposit), Irrevocable L/C at sight, and PayPal for small amounts.
- What is the warranty period for the transformer?
- The transformer quality lifetime is guaranteed for 10 years, with specialty sales service for 5-10 years.
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Product Groups
- Wire Welding Machine
- Tororidal transformer winding machine
- Parallel Winding Machine
- Fully Automatic Hook Winding Machine
- Coil Winding Machine
- Cable Fault locators Testers
- current transformer
- Toroidal Transformer Test Equipment
- toroidal transformer
- Ferrite magnetic frequency transformer
- sator winding machine
- Automatic Copper Wire Stripping Machine
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