Silicon Steel EI Lamination 3UI Lamination EI Transformer Core
Standard E-I Transformer Construction
In an E-I structure, the matching “E” and “I” components are stamped from sheets of thin grain-oriented electrical steel that are later stacked to create the core. The primary and secondary windings are wound on bobbins. Multiple bobbins are placed on spindles and spun in order to apply the windings.
This method of using bobbins allows for automation that reduces the manufacturing times and also provides insulation between the windings and the core. The E-I core laminations are stacked inside the bobbins to complete the transformer. Their ease of construction makes standard E-I transformers very economical to manufacture, which is their primary advantage.
The specification for our silicon steel material to manufacturing transformer
EI lamination as follows:
CRNGO:
0.5mm thickness: M470-50A, M400-50A, M330-50A, M290-50A, M250-50A and etc.
0.35mm thickness: M330-35A, M300-35A, and etc.
CRGO:
0.3mm thickness: M150-30S
0.35mm thickness: M165-35S.
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.