Ei Low Frequency Power Inverter Transformer for Measuring Instruments
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China [CN] 
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 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 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 :
1). Easy to install.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 & Video5). Elevator 5.Advantage:1).UL,CB,IEC CE, ISO9001:20082).We offer custom-made transformers, OEM and ODM are welcome3).We deliver the quality you expect at consistently competitive prices4).Transformer quality lifetime:10 Years.5).Specialty Sales service:5 -10 Years6).Transformers Test: 100% test before the shipmentAbout 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 beforedelivery.(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.ProductionThe following picture showed you about all finished transformer production line and package with export standard carton and strong pallets:
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 |
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