Gold Member Since 2011
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Tianjin Grewin Technology Co., Ltd.

Power Rating Transformer, Encapsulated Power Transformer, Signal Isolated Transformer manufacturer / supplier in China, offering Power Rating Signal Isolated Encapsulated Transformer for Lighting, Electronics Power Supply China with IEC, High Frequency Coils Chokes for PCB and so on.

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Power Rating Signal Isolated Encapsulated Transformer for Lighting

Purchase Qty.:
500-999 1,000-2,999 3,000+
FOB Unit Price: US $1.5 US $1.3 US $1.1
Purchase Qty. (Pieces) FOB Unit Price
500-999 US $1.5
1,000-2,999 US $1.3
3,000+ US $1.1
Get Latest Price
Port: Tianjin, China
Production Capacity: 50000PCS
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: GWEI28, EI30, EI35, EI41, EI48, EI57, EI66 etc.
  • Phase: Single
  • Cooling Method: Dry-type Transformer
  • Certification: ISO9001-2000, UL, ISO9001, CCC, ISO9001:2015, Ce, SGS, IEC
  • Frequency Characteristics: Low Frequency
  • Brand: Grewin Ei Low Frequency Transformer
  • Expoxy Resin Transformer: PCB Mounting Encapsulated Transfomrers
  • Test: All Products Are 100% Test Passed and Hi-Pot Shock
  • Output: AC(0--380V); DC(0--50V)
  • Design and Custmize: Inductance, Coils, Transformers with Best Quality
  • Trademark: Grewin Ei Encapsulated Low Frequency Transformer
  • Specification: CE
  • HS Code: 85043190
  • Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, Charger, Lamp, Communication Equipment
  • Core: Shell-type Transformer
  • Winding Type: Auto-transformer
  • Usage: Ei Low Frequency Transformer for Audio, Lighting
  • Shape of Core: EI
  • Input Voltage: AC380V-240V-230V-220V-120V-110V-100V
  • Dielectric Strength 4500vrms: Temperature Classb
  • Maximum Output: 1.2W, 12W, 20W, 35W, 40W, 50W, 90W, 180W, 200W, 6
  • Application1: Measuring Instruments;Communication etc.
  • Material: Silicone Laminated Steel
  • Transport Package: Export Standard Carton or Customize Strong Pallet
  • Origin: China
Product Description
We have passed ISO9001:2015,CE,SGS approval and IEC report
Power Rating Signal Isolated Encapsulated Transformer for Lighting
Power Rating Signal Isolated Encapsulated Transformer for Lighting

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 TransformerMode;EICoil  number:Autotransformer
Phase:SingleCore structureLaminationCoil  structure:Toroidal
Power:0.15-1,500WInput VoltageAC380V-240V-230V-220V-120V-110V-100V
ApplicationInstruments ;Communication
Output VoltageAC(0--380V); DC(0--50V)
Deliver  time15 working daysPackageCustomized standard cartons 
Power Rating Signal Isolated Encapsulated Transformer for Lighting
Power Rating Signal Isolated Encapsulated Transformer for Lighting

 Power         Dimension(cm) Weight (KG) Voltage   
 Approval mark
 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
Power Rating Signal Isolated Encapsulated Transformer for Lighting

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
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.

The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets:

Power Rating Signal Isolated Encapsulated Transformer for Lighting

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
(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:



Days need


Request for quotation

1 day


Making quotations

1 day


Offer and counter offer

3 days


Sending and receiving samples

3-10 days


Sample confirmation

3 days


Placing a firm order

1 day


Paying and receiving the down payment

1-4 day


Factory production & Quality inspection

15-20 days


Paying and receiving the balance

4 days


Delivery of goods

1 days

Tianjin Grewin Technology Co.,Ltd.
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