Description
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.

| 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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