| Pre
Arcing I2t for different ratings of fuses |
| Fuse Type
reference |
Current rating(amps) |
Prearcing
I2t
(Minimum) |
Total I2t
(Maximum) |
Fuse Type
reference |
Current rating
(amps) |
Prearcing
I2t
(Minimum) |
Total
I2t
(Maximum) |
| SFA |
5
10
15
20 |
1.5
5.0
10.5
26.0 |
8
28
58
138 |
SFD |
25
45
50
75 |
51
110
185
520 |
280
605
1020
2860 |
| SFC |
25
50
75
100
125
150
175 |
140
250
540
700
1150
2600
5040 |
770
1370
2970
3870
5770
19270
27720 |
SFJ |
16
25
30
35
40
45
50
55
75
85
110
150 |
13
25
42
58
84
110
180
260
480
600
770
1850 |
75
140
230
320
460
610
990
1930
2690
3300
4230
10180 |
| SFE3 |
150
200
250
300
350 |
3300
7500
11300
14670
18600 |
18150
41250
62150
80680
102300 |
SFH |
175
200
225
235
275
300
350
400
450
500 |
1600
2500
2800
3700
5100
6900
11000
14400
33000
54000 |
8800
13750
15400
20350
28500
38000
60500
79200
181500
297000 |
| SFG3 |
400
500
600
700 |
18000
36000
42000
70000 |
99000
198000
231000
385000 |
- |
- |
- |
- |
| SFB |
5
10
15
20 |
1.8
6.0
13.0
30.0 |
10
35
75
165 |
- |
- |
- |
- |
| SIFC, SIFD, SIFE3, SIFF,
SIFG3, SIFH and SIFJ are with indicator. As efforts are made constantly
to improve both designs and method of manufacture, equipment supplied
may differ in details from the illustrations. |
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