AMPERE RATING OF D.O.FUSES

DROP-OUT PROTECTION FUSE ELEMENTS (Ampere ratings)
Capacity of Transformer in kVA
11 kV
22kV
T/F Protection
Feeder Protection
T/F Protection
Feeder Protection
25
3
2
2
2
50
5
3
3
3
100
10
7.5
5
3
150
15
10
7.5
5
200
20
15
10
7.5
300
30
25
15
10
400
40
30
20
15
500
50
40
25
20
750
60
-
40
-
1000
75
-
50
-

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