Ei28, Ei42, Ei48, Ei57 , Ei66, Ei35 Type Power Transformer Low Frequency Transformer
China Ei28, Ei42, Ei48, Ei57, Ei66, Ei35 Type Power Transformer Low Frequency Transformer, Find details about China Lead Wire Transformer, High Voltage Transformer from Ei28, Ei42, Ei48, Ei57, Ei66, Ei35 Type Power Transformer Low Frequency Transformer
- 105/130/155/180 degree insulation systems are available.
- Design to meet UL/CSA/TUV/VDE/CE and other appointed safety agency requirements.
- Auto transformer and insulated transformer can be design according to requirements.
- 100/110/115/120/208/220/230/240/277/380/415V/440V or specified primaries are optional.
- Secondary voltage: 3.6V/6.3V12V/24V/36V/100V/110V/120V/200V/220V/240V/380V or customer specified.
- Terminations and mounting means can be customized.
Key Specifications
Power Range: 10VA to 3000 VA
Size Range: EI-28 to EI-192
Phase: Single or 3Phase
Input/Output: Customized
Insulation: Primary to secondary 2.5kV, 1min, some parts up to 4kV, it desponds to the safety agency requirements.
Primary to safety ground 2.5kV, 1min
Secondary to safety ground 1.5kV, 1min
| EI Transformer Sepecification | |||||||
| VA | Regulation | Temp. Rise | Core | Dimension(mm) | |||
| (Size) | (%) | (deg C) | (Size) | L | W | H | F/A×B |
| 12 | 18 | 60 | EI 48-18 | 50 | 34 | 44 | 61 |
| 15 | 18 | 60 | EI 48-20 | 50 | 36 | 44 | 61 |
| 18 | 18 | 60 | EI 48-24 | 50 | 40 | 44 | 61 |
| 20 | 18 | 60 | EI 48-30 | 50 | 46 | 44 | 61 |
| 25 | 16 | 60 | EI 57-20 | 59.5 | 44 | 50.5 | 70.5 |
| 30 | 15 | 60 | EI 57-24.5 | 59.5 | 48.5 | 50.5 | 70.5 |
| 35 | 13 | 60 | EI 57-30 | 59.5 | 54 | 50.5 | 70.5 |
| 40 | 12 | 60 | EI 57-35 | 59.5 | 59 | 50.5 | 70.5 |
| 44 | 12 | 60 | EI 66-24 | 68.5 | 52 | 58.5 | 81.5 |
| 55 | 11 | 60 | EI 66-30 | 68.5 | 58 | 58.5 | 81.5 |
| 60 | 10 | 60 | EI 66-36 | 68.5 | 64 | 58.5 | 81.5 |
| 65 | 9 | 60 | EI 66-40 | 68.5 | 68 | 58.5 | 81.5 |
| 70 | 8.5 | 60 | EI 66-45 | 68.5 | 71 | 58.5 | 81.5 |
| 80 | 8 | 60 | EI 76-32 | 78.5 | 62 | 68.5 | 90 |
| 100 | 8 | 60 | EI 76-38 | 78.5 | 68 | 68.5 | 90 |
| 120 | 7.8 | 60 | EI 76-45 | 78.5 | 75 | 68.5 | 90 |
| 135 | 7.5 | 60 | EI 76-50 | 78.5 | 80 | 68.5 | 90 |
| 140 | 7.5 | 60 | EI 86-38 | 86.2 | 72 | 72 | 71×63 |
| 145 | 7 | 60 | EI 86-42 | 86.2 | 76 | 72 | 71×67 |
| 155 | 6.8 | 60 | EI 86-45 | 86.2 | 79 | 72 | 71×70 |
| 175 | 6.5 | 60 | EI 86-50 | 86.2 | 84 | 72 | 71×75 |
| 155 (1) | 6.5 | 60 | EI 96-32 | 96 | 69 | 80.5 | 76×55 |
| 180 | 6.5 | 60 | EI 96-38 | 96 | 75 | 80.5 | 76×61 |
| 210 | 6.4 | 60 | EI 96-45 | 96 | 82 | 80.5 | 76×68 |
| 230 | 6.4 | 60 | EI 96-50 | 96 | 87 | 80.5 | 76×73 |
| 265 | 6.4 | 60 | EI 96-60 | 96 | 97 | 80.5 | 76×83 |
| 210 (1) | 5 | 65 | EI 105-34 | 105 | 73 | 91 | 76×52 |
| 255 | 5 | 65 | EI 105-40 | 105 | 79 | 91 | 76×58 |
| 285 | 4.8 | 65 | EI 105-50 | 105 | 89 | 91 | 76×68 |
| 320 | 4.8 | 65 | EI 105-55 | 105 | 94 | 91 | 76×73 |
| 240 | 4.6 | 65 | EI 105-60 | 105 | 99 | 91 | 76×78 |
| 375 | 4.6 | 65 | EI 105-65 | 105 | 104 | 91 | 76×81 |
| 360 | 4.6 | 65 | EI 114-45 | 114 | 89 | 97.5 | 95×75 |
| 400 | 4.6 | 65 | EI 114-50 | 114 | 94 | 97.5 | 95×80 |
| 440 | 4.5 | 65 | EI 114-55 | 114 | 99 | 97.5 | 95×85 |
| 480 | 4.5 | 65 | EI 114-60 | 114 | 104 | 97.5 | 95×90 |
| 520 | 4.5 | 65 | EI 114-65 | 114 | 109 | 97.5 | 95×95 |
| 530 | 4.4 | 70 | EI 133-50 | 136 | 115 | 114 | 125×86 |
| 580 | 4.4 | 70 | EI 133-55 | 136 | 128 | 114 | 125×91 |
| 630 | 4.4 | 70 | EI 133-60 | 136 | 125 | 144 | 125×96 |
| 680 | 4.3 | 70 | EI 133-65 | 136 | 129 | 144 | 125×101 |
| 730 | 4.3 | 70 | EI 133-70 | 136 | 135 | 144 | 125×106 |
| 780 | 4.3 | 70 | EI 133-75 | 136 | 141 | 144 | 125×111 |
| 830 | 4.2 | 70 | EI 133-80 | 136 | 144 | 144 | 125×116 |
| 870 | 4.2 | 70 | EI 133-85 | 136 | 151 | 144 | 125×122 |
| 925 | 4.2 | 70 | EI 133-90 | 136 | 154 | 144 | 125×127 |
| 975 | 4.2 | 70 | EI 133-95 | 136 | 159 | 144 | 125×132 |
| 1025 | 4.2 | 70 | EI 133-100 | 136 | 164 | 144 | 125×137 |
Toroidal Transformer Main Materials (IQC process)
All the material is inspected strictly with ISO9001:2008 quality program.
EI lamination: appearance inspection and core loss test.
Copper wire: pinhole test and coat of adhesion testEI Transformer Testing Items
- Exciting current & core loss: 100% test
- DC Resistance: 100% test
- Layer insulation: 100% test
- Loading test: 100% test
- Hi-pot test: 100% test, but the time is only approx 10seconds for the production-run.
- Aging test: Spot check, 10% of product quantity
Transformer applications
Widely use in Medical, Industrial Equipment, servo motor, Building, Precision Machine Tool, Elevator Control, Test equipment, Auto Control System, Railway, fire system, Amplifier, UPS, Sola, Lighting, Communications and so on.
FAQ:Q1: Do you test all your goods before delivery?
A: Yes, we will 100% test before delivery.
Q2: Can I get some samples?
A: Yes, 3-5 pcs free samples are available for your test. Small batches are also acceptable.
Q3: Is it OEM available?
A: Yes. We have rich experience and good ability to put your design and idea into real product, we can laser print your brand on
the products.
Q4: How about the lead time ?
A: The spot goods 3-7 days, for OEM and ODM order,please check exactly with us.
More questions, please contact us directly. We are always here waiting to serve you!
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