Lamination, Transformers, Stampings,Strips and Bobbins from Sewa
Lamination, Transformers, Stampings,Strips and Bobbins from Sewa
 
 

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Specifications

TRANSFORMERS AND CHOKE LAMINATION STANDARD TYPES SINGAL PHASE E I

See Ref. Figure 1.

NOMINAL DIMENSIONS ( MM )
Holes
Type No.
A
B
C
D
E
F
G
No.
Dia
Distance
L164or 80
4.8
19.1
15.9
2.4
2.4
11.1
4.8
L109or 32
6.4
25.4
19.1
3.2
3.2
12.7
6.4
Available in EE also
17
12.7
38.1
31.8
6.4
6.4
19.1
6.4
INT41
13.0
41.0
33.0
6.0
6.0
21.0
8.0
12
15.9
47.6
39.7
7.9
7.9
23.8
7.9
74
17.5
52.4
43.7
8.7
8.7
26.2
8.7
23
19.1
57.2
47.6
9.5
9.5
28.6
9.5
30
20.0
60.0
50.0
10.0
10.0
30.0
10.0
4.0
4.1
50.0
45
22.2
66.7
55.6
11.1
11.1
33.3
11.1
4.0
4.5
15
25.4
76.2
63.5
12.7
12.7
38.1
12.7
4.0
5.5
63.5
33
28.0
84.0
70.0
14.0
14.0
42.0
14.0
4.0
5.5
70.0
3
31.8
95.3
79.4
15.9
15.9
47.6
15.9
4.0
6.0
79.3
16 or 4
38.1
114.3
95.3
19.1
19.1
57.2
19.1
4.0
6.0
95.0
5
38.0
120.7
95.3
19.1
19.1
57.2
22.2
4.0
6.2
101.8
6
38.1
127.0
114.3
19.1
19.1
76.2
25.4
4.0
6.2
107.4
INT120
40.0
120.0
100.0
20.0
20.0
60.0
20.0
4.0
5.5
100.0
43 or 7
50.8
152.4
127.0
25.4
25.4
76.2
25.4
4.0
7.0
127.0
8
50.8
184.5
171.5
25.4
25.4
120.7
41.3
4.0
9.0
159.5
8B
76.2
235.0
196.9
38.1
38.1
120.7
41.3
4.0
10.0
197.0
8C
76.2
235.0
317.5
38.1
38.1
241.3
41.3
4.0
10.0
197.0
S10
63.5
190.5
158.7
31.7
31.7
95.2
31.7
4.0
10.0
159.0
S9
76.2
228.6
190.5
38.1
38.1
114.3
38.1
4.0
12.7
190.0
S14
88.9
266.5
222.5
44.4
44.4
133.5
44.4
6.0
12.7
227.3
S6
44.5
133.5
111.4
22.5
22.5
66.5
22.5
4.0
6.2
111.5
100
101.6
355.6
254.0
50.8
50.8
152.4
76.2
6.0
12.5
31
22.2
66.7
55.6
11.1
11.1
33.3
11.1
S29
9.0
29.0
27.0
4.0
4.0
19.0
6.0
S35 or 1 No. Spl.
10.0
35.0
30.0
5.0
5.0
20.0
7.5
S28 or 1 No.
8.0
28.0
25.0
4.0
4.0
17.0
6.0
S30
10.0
30.0
25.0
5.0
5.0
15.0
5.0
S42
12.0
42.0
42.0
6.0
6.0
30.0
9.0
S12
101.6
304.8
254.0
50.8
50.8
152.4
50.8
6.0
12.5
S 68
24.0
68.0
68.0
10.0
12.0
34.0
12.0
6.0
5.5
S 118
38.0
118.0
158.0
19.5
19.5
118.0
20.5
6.0
7.0

Ref. Figure 1.

Special Features :

  1. International Quality & Technology
  2. Long EI are also available in types No. 33, 3, 15, 7, 8b etc.
  3. We undertake Tailor made jobes also.
  4. Lamination are manufactured only from the Electrical Steel Grade under which they are listed I.e C.R.N.O.
  5. Lamination are available with Air gap on center limb for choke application
  6. Type 15, 33, 30 are also available without holes on request.
  7. Strips as per customer specification without holes on request.
  8. Use core filler machines.

 

SPECIFICATION CHART-THREE PHASE TRANSFORMER LAMINATION ( E & I )

See Ref. Figure 1.

LAMINATION DIMENSIONS ( MM )
Holes
Type No.
A
B
C
D
E
F
G
No.
Dia
Distance
15
12.7
76.2
63.5
12.7
12.7
38.1
19.1
4
5.5
50.0
33
14.0
84.0
70.0
14.0
14.0
42.0
21.0
4
5.5
63.5
3
15.9
95.3
79.4
15.9
15.9
47.6
23.9
4
6.0
79.3
16 or 4
19.1
114.3
95.3
19.1
19.1
57.2
28.5
4
6.0
95.0
43 or 7
25.4
152.4
127.0
25.4
25.4
76.2
38.1
4
7.0
127.0
8
25.4
184.5
171.5
25.4
25.4
120.7
54.2
4
9
159.5
8 B
38.1
235.0
196.9
38.1
38.1
120.7
60.0
4
10.0
197.0
100
50.8
355.6
254.0
50.8
50.8
152.4
101.6
6
12.5
S10 M
50.8
257.5
203.2
50.8
50.8
101.6
52.6
4
10.0
197.0
E201
34.3
201
80
34.3
34.3
45.9
49
6
10 & 5
E only
E251
47.3
250.5
95.5
47.3
47.3
48.2
54.5
6
10 & 5
E only
S12
50.8
304.8
254.0
50.8
50.8
152.4
76.2
6
12.7
S197
38.1
197.0
197.0
38.1
38.1
120.7
41.3
4.0
10.0
S150
30.0
150.0
150.0
30
90
30
30
6
7.0
S122
44.5
222.5
222.5
44.5
133.5
44.5
44.5
6
12.7
6
19.1
127.0
114.3
19.1
19.1
76.2
34.8
4
6.2

 

UI LAMINATION

See Ref. Figure 2

LAMINATION DIMENSIONS ( MM )
Holes
Type No.
A
B
C
D
E
F
G
No.
Dia
Distance
15
25.4
76.2
127.0
25.4
25.4
76.2
4
3
31.8
95.3
158.8
31.8
31.8
95.3
4
16
38.2
114.3
190.6
38.2
38.2
114.3
4
7
50.8
152.4
250.8
50.8
50.8
152.4
4
S6
45.0
133.5
222.8
45.0
45.0
133.5
4
100
76.2
203.2
228.6
50.8
50.8
203.2
4

 

Ref. Figure 2

 

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Lamination, Transformers, Stampings,Strips and Bobbins from Sewa