Ei 41 Ei 48 3-20W Output 8va 20va Ei Low Frequency Transformer
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Product Highlights
- Customizable Design: Dimension and output leads can be customized according to requirements.
- Wide Power Range: Available power output from 0.15W to 1500W for various applications.
- High Efficiency: Low no-load loss, high efficiency, and little temperature rising.
- Quality Certification: Passed ISO9001, CE, UL, CUL, and SGS approvals with 100% testing.
- Versatile Applications: Suitable for measuring instruments, communication, audio, and medical devices.
- OEM/ODM Service: We offer custom-made transformers with OEM and ODM welcome.
- Fast Delivery: Standard delivery time is 15 working days after order confirmation.
- Lifetime Warranty: Transformer quality lifetime is guaranteed for 10 years.
Product Attributes
- Customization
- Available
- Application
- Power, Electronic, Instrument, Lighting, Rectifier, Audio, Charger, Lamp, Communication Equipment
- Phase
- Single
- Model NO.
- GWEI
- Core
- Shell-type Transformer
- Cooling Method
- Dry-type Transformer
- Winding Type
- Auto-transformer
- Certification
- ISO9001-2000, ISO9001, CCC, CE
- Usage
- Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, 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
- Different Mounting Types
- Lead-Wire Type, Rack Type, Plug-in Type, etc.
- Advantages
- Low No-Load Loss, High Efficiency, Low Temperature
- Power
- 0.15W-1500W
- Test
- All Products Are 100% Test Passed and Hi-Pot Shock
- Maximum Output
- 1.2W, 12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W
- Output
- AC(0--380V); DC(0--50V)
- Application1
- 1. Measuring Instruments;Communication Prducts. Me
- 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
- 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 Ei 41 Ei 48 3-20W Output 8va 20va Ei Low Frequency Transformer
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Product Description
1.Product Specification:
1). Models:
EI28, EI30, EI35, EI48, EI57, EI66, EI86, EI96, EI105, EI114, EI133, EI152, EI162 etc.
2). Maximum output: 1.2W, 2W, 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 ParameterTable:
| 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 CAN 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, |



3.Product Feature :
2). Lower power consumption.
3). Little temperature rising.
4). High accuracy of output voltage.
5). Diemension and output leads can be customized.
6). Dielectronic Strength is high.
4.Application
1). Measuring instruments.
2).Communication prducts.
3). Medical instruments.
4). Audio & Video
5). Elevator
5.Advantage:
1).UL, CUL, CE, 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 ".
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.
4.Production
The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets:
We have passed ISO9001:2015,CE,SGS approval and IEC report
5.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 us:
Cathy
Tianjin Grewin Technology Co.,Ltd.
transformer.en.made-in-china.com
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 power range of these transformers?
- The power output ranges from 0.15W to 1500W, covering models like EI28 to EI162.
- Can the dimensions and leads be customized?
- Yes, the dimension and output leads can be customized according to your specific requirements.
- What certifications do the transformers have?
- The transformers are certified with ISO9001, CE, UL, CUL, and SGS, and pass 100% testing before shipment.
- What is the delivery time for orders?
- The standard delivery time is 15 working days after receiving the payment or order confirmation.
- What are the payment terms?
- Payment options include T/T (100% or 50% deposit), Irrevocable L/C at sight, and other methods for smaller amounts.
- What is the warranty period for the product?
- We provide a quality lifetime guarantee of 10 years for the transformers.
- What are the main applications for these transformers?
- They are widely used in measuring instruments, communication products, medical devices, audio/video equipment, and elevators.
- Do you accept OEM and ODM orders?
- Yes, we offer custom-made transformers and welcome OEM and ODM requests.
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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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