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Semiconductor (A) fuses
Semiconductor (AC) fuses
American Round Fuses
Form 101 Range
A60X
Semiconductor Protection Fuses
Watts Loss @ Rated Current
600 VAC Fault
Load
Ampere
Rating
Watts Ampere
Loss (W) Rating
Watts Ampere
Loss (W) Rating
Watts
Loss (W)
Fuse
Ampere
Rating
1
2
3
4
5
6
7
8
10
12
15
20
25
30
35
40
45
50
60
70
80
90
100
125
150
175
200
225
250
300
350
400
450
500
600
700
800
1000
1200
1500
1600
1800
2000
Melting
(A 2 s)
.06
.22
.50
.90
1.4
2.0
2.7
3.6
16
22
35
60
95
140
270
350
450
550
800
4,000
5,300
6,700
8,300
13,000
19,000
25,000
33,000
42,000
52,000
75,000
100,000
130,000
170,000
210,000
300,000
430,000
560,000
875,000
1,250,000
2,000,000
2,200,000
2,800,000
3,500,000
Fig. A
600 VAC Fault
Fig. B
Load
I 2 t Data – 600 Volts AC, 100kA
I 2 t data
Clearing at 600V
1 Fuse
(Fig. A)
(A 2 s)
.11
.45
1.0
1.8
2.8
4.0
5.4
7.1
40
64
100
170
275
400
1,800
2,400
3,000
3,600
5,400
13,000
17,000
22,000
27,000
42,000
60,000
80,000
110,000
140,000
170,000
240,000
340,000
490,000
620,000
770,000
1,100,000
1,700,000
2,250,000
3,500,000
5,000,000
7,900,000
9,000,000
11,000,000
14,000,000
2 Fuses
in series(Fig. B)
(A 2 s)
.09
.36
.80
1.4
2.2
3.2
4.3
5.7
30
48
70
130
210
290
1,200
1,600
2,000
2,400
3,600
9,800
13,000
16,000
20,000
31,000
45,000
61,000
80,000
100,000
125,000
180,000
240,000
320,000
400,000
500,000
720,000
1,000,000
1,400,000
2,200,000
3,100,000
4,900,000
5,600,000
7,100,000
8,900,000
CORRECTION FACTOR FOR WATTS LOSS
10
15
20
25
30
35
40
50
60
70
80
90
3.8
4.5
4.0
7.3
8.7
5.2
6.3
7.4
9.1
7.6
8.9
9.7
100
125
150
175
200
225
300
350
400
450
500
600
11
12
14
16
19
21
29
35
37
42
47
56
PERCENT RATED CURRENT
700*
700**
800*
800**
1000
1200
1500
1600
1800
2000
2500
57
52
67
59
72
86
107
117
133
148
183
Watts Loss vs. % Rated Current (Types 1 & 4)
CORRECTION FACTOR FOR WATTS LOSS
*Type 4 **Type 128
Watts Loss vs. % Rated Current (Type 128)
PERCENT RATED CURRENT
12/04
SCAC23