Transformer core laminations are usually stacked alternately to each other to produce an overlapping joint with more lamination pairs being added to make up the correct core thickness. This alternate stacking of the laminations also gives the transformer the advantage of reduced flux leakage and iron losses. E-I core laminated transformer construction is mostly used in isolation transformer’s, step-up and step-down transformer’s as well as the auto transformer.
Introduction:
Single phase EI core is made by the silicon steel strip. The model of EI lamination in standard sizes is from
EI-30 to EI-360.The gap sizes of transformer lamination core can be customized.
Catalogue:
Type | a | b | c | d | e | holes | aperture |
EI- 28 | 28 | 4 | 6 | 8 | 17 | ||
EI-35 | 35 | 5 | 7.5 | 10 | 19.5 | ||
EI-41 | 41 | 6 | 8 | 13 | 21 | ||
EI-42 | 42 | 7 | 7 | 7 | 14 | ||
EI-48 | 48 | 8 | 8 | 16 | 24 | ||
EI-50 | 50 | 8 | 9 | 16 | 25.5 | ||
EI-57 | 57 | 9.5 | 9.5 | 19 | 28.5 | 4 | 4 |
EI-60 | 60 | 10 | 10 | 20 | 30 | 4 | 5 |
EI-66 | 66 | 11 | 11 | 22 | 33 | 4 | 4 |
EI-75 | 75 | 12.5 | 12.5 | 25 | 37.5 | 4 | 5.5 |
EI-76.2 | 76.2 | 12.7 | 12.7 | 25.4 | 38.1 | 4 | 5 |
EI-78 | 78 | 13 | 13 | 26 | 39 | 4 | 5 |
EI-84 | 84 | 14 | 14 | 28 | 41 | 4 | 6 |
EI-85.8 | 85.8 | 14.3 | 14.3 | 28.6 | 42.9 | 4 | 5 |
EI-96 | 96 | 16 | 16 | 32 | 48 | 4 | 6 |
EI-105 | 105 | 17.5 | 17.5 | 35 | 52.5 | 4 | 6 |
EI-108 | 108 | 18 | 18 | 36 | 54 | 4 | 5.5 |
EI-114 | 114 | 19 | 19 | 38 | 57 | 4 | 6 |
EI-120 | 120 | 20 | 20 | 40 | 60 | 4 | 7 |
EI-126 | 126 | 21 | 21 | 42 | 63 | 4 | 7 |
EI-133.2 | 133.2 | 22.2 | 22.2 | 44.4 | 66.6 | 4 | 7 |
EI-150 | 150 | 25 | 25 | 50 | 75 | 4 | 8 |
EI-152.4 | 152.4 | 25.4 | 25.4 | 50.8 | 76.2 | 4 | 8 |
EI-162 | 162 | 27 | 27 | 54 | 81 | 4 | 10 |
EI-168 | 168 | 28 | 28 | 50 | 84 | 4 | 10 |
EI-171 | 171 | 28.5 | 28.5 | 57 | 85.5 | 4 | 10 |
EI-180 | 180 | 30 | 30 | 60 | 90 | 4 | 10 |
EI-190.5 | 190.5 | 31.75 | 31.75 | 63.5 | 95.25 | 4 | 10 |
EI-192 | 192 | 32 | 32 | 64 | 96 | 4 | 10 |
EI-210 | 210 | 35 | 35 | 70 | 105 | 4 | 10 |
EI-228 | 228 | 38 | 38 | 76 | 114 | 4 | 10 |
EI-240 | 240 | 40 | 40 | 80 | 120 | 4 | 10 |
EI-254 | 254 | 48 | 55 | 48 | 164 | 4 | 12 |
EI-270 | 270 | 45 | 45 | 90 | 135 | 4 | 12 |
EI-228 | 228 | 38 | 38 | 76 | 114 | 4 | 10 |
EI-300 | 300 | 50 | 50 | 100 | 150 | 4 | 12 |
EI-360 | 360 | 60 | 60 | 120 | 180 | 4 | 12 |
Type | a | b | c | d | e | holes | aperture(Φ) |
UI-20 | 60 | 20 | 20 | 60 | 4 | 6 | |
UI-22 | 66 | 22 | 22 | 66 | 4 | 6,8 | |
UI-25 | 75 | 25 | 25 | 75 | 4 | 6,8 | |
UI-27 | 81 | 27 | 27 | 81 | 4 | 6,8 | |
UI-28 | 84 | 28 | 28 | 84 | 4 | 8 | |
UI-30 | 90 | 30 | 30 | 90 | 4 | 8 | |
UI-32 | 96 | 32 | 32 | 96 | 4 | 8 | |
UI-35 | 105 | 35 | 35 | 105 | 4 | 8 | |
UI-38 | 114 | 38 | 38 | 114 | 4 | 8 | |
UI-40 | 120 | 40 | 40 | 120 | 4 | 10 | |
UI-44 | 132 | 44 | 44 | 132 | 4 | 8,10 | |
UI-45 | 135 | 45 | 45 | 135 | 4 | 10 | |
UI-50 | 150 | 50 | 50 | 150 | 4 | 8,10 | |
UI-60 | 180 | 60 | 60 | 180 | 4 | 10,12 | |
UI-70 | 210 | 70 | 70 | 210 | 4 | 13 | |
UI-80 | 240 | 80 | 80 | 240 | 4 | 14 | |
UI-90 | 270 | 90 | 90 | 270 | 4 | 14 | |
UI-100 | 300 | 100 | 100 | 300 | 4 | 16 |
Type | a | b | c | d | e | Holes | Aperture(Φ) |
3PEI-17.5 | 87.5 | 17.5 | 17.5 | 17.5 | 52.5 | 4 | 6 |
3PEI-20 | 100 | 20 | 20 | 20 | 50 | 6 | 6 |
3PEI-20* | 100 | 20 | 20 | 20 | 60 | 4,6 | 6 |
3PEI-22 | 110 | 22 | 22 | 22 | 66 | 4 | 8 |
3PEI-22.2 | 122 | 22 | 28 | 22.2 | 61 | 4 | 6 |
3PEI-25 | 125 | 25 | 25 | 25 | 75 | 4 | 8 |
3PEI-27 | 135 | 27 | 27 | 27 | 81 | 4 | 8 |
3PEI-28 | 140 | 28 | 28 | 28 | 84 | 4 | 8 |
3PEI-29 | 145 | 29 | 29 | 29 | 72.5 | 4 | 8 |
3PEI-30 | 150 | 30 | 30 | 30 | 90 | 6 | 7 |
3PEI-30.5 | 152 | 30.5 | 30.5 | 30.5 | 76.25 | 6 | 6 |
3PEI-32 | 160 | 32 | 32 | 32 | 80 | 4 | 8 |
3PEI-32* | 160 | 32 | 32 | 32 | 96 | 4 | 8 |
3PEI-35 | 175 | 35 | 35 | 35 | 105 | 4 | 8 |
3PEI-36 | 180 | 36 | 36 | 36 | 90 | 6 | 8 |
3PEI-38 | 190 | 38 | 38 | 38 | 95 | 4,6 | 8,10.5 |
3PEI-38* | 190 | 38 | 38 | 38 | 114 | 6 | 8 |
3PEI-40 | 200 | 40 | 40 | 40 | 100 | 4 | 10.5 |
3PEI-40* | 200 | 40 | 40 | 40 | 120 | 4,6 | 10 |
3PEI-44 | 220 | 44 | 44 | 44 | 132 | 6 | 8,10.5,12.5 |
3PEI-45 | 225 | 45 | 45 | 45 | 135 | 4 | 10 |
3PEI-50 | 250 | 50 | 50 | 50 | 150 | 4,6 | 8,10.5 |
3PEI-56 | 280 | 56 | 56 | 56 | 168 | 4 | 12 |
3PEI-60 | 300 | 60 | 60 | 60 | 180 | 6 | 12 |
3PEI-61* | 288 | 61.3 | 52 | 61.3 | 144 | 4,6 | 12 |
3PEI-61 | 305 | 61 | 61 | 61 | 152.5 | 4,6 | 14 |
3PEI-70 | 350 | 70 | 70 | 70 | 210 | 6 | 13 |
3PEI-80 | 400 | 80 | 80 | 80 | 240 | 6 | 14 |
3PEI-90 | 450 | 90 | 90 | 90 | 270 | 6 | 14 |
3PEI-100 | 500 | 100 | 100 | 100 | 300 | 6 | 16 |
3PEI-120 | 600 | 120 | 120 | 120 | 320 | 6 | 16 |
Company information:
Jiangyin Centersky was established in 2000. Main business is manufacturing silicon steel EI lamination, UI lamination, cutting lamination.
Our capacity is 1500mt per month. We have 15 years' export experience.
FAQ:
1. Q: Can I get some samples?
A: Yes, sample order is available for quality checking and market test.
2. Q: What's the delivery time?
A: Sample order needs 2-3 days. Formal order needs 8-15 days.
3. Q: What's your payment terms?
A: We usually accept T/T at sight as the main payment terms, and other payment can also be negotiated.
4. Q: Do you have the prodcts in stock?
A: Yes, we will keep some general ones in stock.
5. Q: Can I mix different models in one container?
A: Yes, different models can be mixed up.