Transformer bushing insulators are applied as a structure, carrying on conductor through a partition such as transformer tank and insulating it, incorporating the means of attached flange to the partition for medium voltage level. For Entire Range of Bushings Ratings from - 1 Kv to 72 Kv & - 100 Amp. to 10,000 Amp. All Ares Insulator transformer bushing insulators are made of ceramic materials according to IEC 672. Other Transformer bushing custom-made insulators can be supplied upon customer's request and specifications.
Specifications
Bushings are manufactured to DIN 42530, 42539, 42531, 42532, 42533, 42534. Tank wall thickness minimum 3mm, maximum 6mm . Tank hole size tolerance is -Omm +1 mm .
Part Number
DIN Standard
U.m (kV)
lr (A)
Tank Hole Size (mm)
Ll (kV)
ACSD Dry(kV)
CD (mm)
Stem Connect
DT 1/250
DIN 42530
1
250
-
-
-
60
M12
DT 1/630
DIN 42530
1
630
45
-
-
75
M20
DT 1/1000
DIN 42530
1
1000
56
-
-
75
M30
DT 1/2000
DIN 42530
1
2000
70
-
-
75
M42
DT 1/3150
DIN 42530
1
3150
90
-
-
75
M48
DT 3/250
DIN 42539
3
250
39
40
14
120
M12
DT 3/630
DIN 42539
3
630
45
40
14
120
M20
DT 3/1000
DIN 42539
3
1000
56
40
14
125
M30
DT 3/2000
DIN 42539
3
2000
70
40
14
125
M42
DT 3/3150
DIN 42539
3
3150
90
40
14
125
M48
DT 3/4500
DIN 42539
3
4500
119
40
14
130
M55
DT 3/6500
DIN 42539
3
6500
119
40
14
130
M75
10NF250
DIN 42531
12
250
78
75
28
305
M12
10NF630
DIN 42532
12
630
90
75
28
305
M20
10NF1000
DIN 42533
12
1000
110
75
28
295
M30
10NF2000
DIN 42533
12
2000
135
75
28
295
M42
10NF3150
DIN 42533
12
3150
135
75
28
295
M48
20NF250
DIN 42531
24
250
78
125
50
450
M12
20NF630
DIN 42532
24
630
90
125
50
440
M20
20NF1000
DIN 42533
24
1000
110
125
50
445
M30
20NF2000
DIN 42533
24
2000
135
125
50
445
M42
20NF3150
DIN 42533
24
3150
135
125
50
445
M48
30NF250
DIN 42531
36
250
78
170
70
607
M12
30NF630
DIN 42532
36
630
90
170
70
662
M20
30NF1000
DIN 42533
36
1000
110
170
70
635
M30
30NF2000
DIN 42533
36
2000
135
170
70
635
M42
30NF3150
DIN 42533
36
3150
135
170
70
635
M48
52/1000
DIN 42534
52
1000
135
250
95
950
M30
52/2000
DIN 42534
52
2000
135
250
95
950
M42
52/3150
DIN 42534
52
3150
135
250
95
950
M48
Production and Packaging
Application
DIN standard
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