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EI Lamination

EI lamination is made by the silicon steel strip. The model of EI lamination in standard sizes is from EI-28 to EI-240, and the model of EI lamination in non-standard sizes is from EI-36 to EI-360.

EI lamination is made by the silicon steel strip. The model of EI lamination in standard sizes is from EI-28 to EI-240, and the model of EI lamination in non-standard sizes is from EI-36 to EI-360. The gap sizes of transformer lamination core can be customized.

Tianxiang Electrical Appliance specializes in the production of transformer lamination, transformer core and lamination core, such as EI lamination in standard sizes and non-standard sizes. It has now become a base which is able to manufacture the most completed models of EI lamination in east China.

EI lamination structure diagram

Specification A B C D E F G H Air GAP Stack Hole Aperture ф
EI 16 16 12 4 2 4 10 2
EI 19 19 12.5 5 2.5 4.5 10 2.5
EI 24 24 15 6 6 3 12 3
EI 26 26 18 6 3 7 15 3
EI 28 28 21 8 4 6 17 4 0.25 / 0.4 / 0.45 / 0.5 / 1
28 27 8 4 6 23 4
EI 30 30 20 10 5 5 15 5 0.22 / 0.35 / 0.4 / 1.2
30 20.8 10 5 5 15.3 5.5
EI 32 32 26.5 9.5 4.75 6.5 21.7 4.75
32 22.78 9 4.5 7 18.3 4.5
EI 33 33 22 11 5.5 5.5 16.5 5.5
33 28 11 5.5 5.5 22.5 5.5
EI 35 35 24.5 9.6 5 7.7 19.5 5
35 23.4 11.6 5.84 5.84 17.46 5.84
EI 35.2 35.2 25.2 12.6 5 6.3 20.1 5.1
EI 36 36 24.5 10 6.5 6.5 18 6.5
EI 38.4 38.4 25.6 12.8 6.4 6.4 19.2 6.4
1.2 Yes
38.4 44.8 12.8 6.4 6.4 38.4 6.4
EI 38.5 38.5 22 14 6 6.2 18
EI 41 41 27 13 6 8 21 6
1.2 / 2 Yes
EI 42 42 28 14 7 7 21 7 35 0.4 / 0.46 / 0.48 / 0.5 / 0.95 / 1.15 / 1.3 / 2  4 3.5
4 3.5
EI 44 44 30 12 8 8 22 8
EI 48 48 32 16 8 8 24 8 40 0.6 / 0.5 / 0.8 / 0.9 / 0.93 / 1 / 2 4 3.5
4 3.5
EI 50 50 34 14 9 9 25 9
EI 54 54 36 18 9 9 27 9 45 0.95 / 2 4 3.5
EI 56 56 38 16 10 10 28 10 46 4 5
EI 57 57 38 19 9.5 9.5 28.5 9.5 47.5 0.4 / 0.75 / 0.8 / 1.1 / 1.2 / 2 4 4
4 4
EI 57.2 57.2 39 19 9.5 9.5 31.55 7.45
EI 60 60 40 20 10 10 30 10 50 0.75 / 0.8 / 1 / 1.2 / 1.25 / 1.3  4 3.5
4 3.5
EI 66 66 44 22 11 11 33 11 55  0.8 / 1 / 1.2 / 1.45 / 1.5 4 4.5
4 4.5
EI 67 67 45.4 19 12 12 33.5 12 55 4 5
67 46 20 10 13.5 36 10 57 4 5
EI 70 70 47 22 11 13 35 13 2.5
EI 75 75 50 25 12.5 12.5 37.5 12.5 62.5 4 5
EI 76.2 76.2 50.8 25.4 12.7 12.7 38.1 12.7 63.5 1.8 / 2 / 2.54 / 2.2 / 2.5 / 1.3 / 3 4 5
4 5
76.2 50.8 22 11 16.1 39.8 11 65.2 4 5
4 5
EI 78 78 52 26 13 13 39 13 65 1.1 / 1.35 / 1.6 / 2 4 5
53 22 14 14 39 14 64
4 5
EI 84 84 56 28 14 14 42 14 70 4 5
2.5 4 5
2.08 4 4.5
EI 85.8 85.8 57.2 28.6 14.3 14.3 42.9 14.3 71.5 1.3 / 1.5 / 1.75 / 1.85 / 2.25 /2.8 / 2.85 / 3 4 5
EI 90 90 60 30 15 15 45 15 75 4 6
EI 94 94 64 26 17 17 47 17 77 4 6
EI 96 96 64 32 16 16 48 16 80 1.15 / 1.5 / 2.2 / 2.3 / 2.45 / 2.5 / 2.7 / 3 / 5 4 6.3
4 6.3
Offset hole 4 6
EI 105 105 70 35 17.5 17.5 52.5 17.5 87.5 1.2 / 1.5 / 1.6 / 1.8 / 2 / 2.3 / 2.45 / 2.65 / 2.7 / 2.8/ 3 / 3.4 / 10.5 4 6
EI 106 106 72 30 19 19 53 19 87 4 7
EI 108 108 72 36 18 18 54 18 90 4 5.5
EI 111 111 72.7 34 17.2 21.3 55.5 17.2 4 5.5
EI 114 114 76 38 19 19 57 19 95  1.3 / 3 / 4 / 12.7 4 7
4 7
EI 118 118 80 38 19 21 59 21 99 4 7
EI 120 120 80 40 20 20 60 20 100 1.5 / 2 / 3 / 3.6 / 4 4 7
chamfer 4 7
EI 123 123 83.5 35 22 22 61.5 22 101 4 7
EI 126 126 84 42 21 21 63 21 105 4 7
EI 132 132 88 44 22 22 66 22 110 4 7
EI 133.2 133.2 88.8 44.4 22.2 22.2 66.6 22.2 111 2.8 / 3 / 3.3 / 4 / 6 / 6.73 / 14 4 7
EI 144 144 98 40 26 26 72 26 118 4 7
EI 150 150 100 50 25 25 75 25 125 4 8
1.5 4 8
EI 152.4 152.4 101.6 50.8 25.4 25.4 76.2 25.4 127 4 8
EI 153 153 127 43 25 30 99 30 135 4 6.8
EI 154 154 104 50 25 27 77 27 129 4 8
EI 160 160 102.5 43 25 33.5 107.5 33.5 135 4 7
EI 162 162 108 54 27 27 81 27 135 8.2 4 8.5
162 189 54 27 27 162 27 135 4 6.4
EI 168 168 112 56 28 28 84 28 140 4 10
EI 171 171 114 57 28.5 28.5 85.5 28.5 142.5 9.1 / 9.2 4 9
171 114 57 28.5 28.5 85.5 28.5 155.4 4 7
EI 174 174 116 58 29 29 87 29 145 4 10.5
EI 180 180 120 60 30 30 90 30 150 4 9
180 210 60 30 30 180 30 150 4 7
EI 181.2 181.2 120.86 60.5 30.1 30.1 90.5 30.1 151 4 8
181.2 120.8 60.4 30.2 30.2 90.6 30.2 151 4 8
EI 182 182 123.9 56 30 33 100 33 149 4 8
182 124 56 30 33 91 33 149 4 8
EI 192 192 128 64 32 32 96 32 160 4 9
4 11
EI 195 195 195 65 32.5 32.5 162.5 32.5 162.5 4 11
EI 200 200 150 60 30 40 120 40 4 10
200 150 60 30 40 120 30 4 10
EI 210 210 140 70 35 35 105 35 175 4 9
EI 218 218 164 70 35 39 129 35 183 4 11
EI 222 222 149 70 38 38 111 38 184 4 10
148 74 37 37 111 37 185 4 10
EI 228 228 152 76 38 38 114 38 190 4 10.3
EI 228.6 228.6 152.4 76.2 38.1 38.1 114.3 38.1 209.6 8.1 / 8.2 6 9.6
EI 240 240 160 80 40 40 120 40 200 4 12
EI 270 270 180 90 45 45 135 35 235 4 10
EI 288 288 196 80 52 52 144 52 236 4 12
EI 300 300 200 100 50 50 150</t

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