AMP-TRAP®–Form 101
A25X
SEMICONDUCTOR PROTECTION FUSES
I2t Data – 250 Volts AC
I2t DATA
Fault
250 VAC
Load
FUSE
CLEARING AT 250V
AMPERE
RATING
MELTING
(A2s)
1 FUSE
2 FUSES IN
(FIG. A) SERIES (FIG. B)
Fig. A
(A2s)
(A2s)
1
2
3
.033
.17
.32
.27
1.5
3.8
.18
.98
2.5
Fault
250 VAC
Load
4
.85
6.9
4.6
5
6
1.3
1.9
8.7
9.6
5.8
6.4
Fig. B
7
2.7
13
8.4
8
5.0
24
16
9
8.6
31
21
10
13
39
26
12
15
20
25
18
20
36
56
54
60
110
170
36
40
72
110
Watts Loss at Rated Current
AMPERE
RATING
WATTS
AMPERE
WATTS
AMPERE WATTS
LOSS (w) RATING
LOSS (w) RATING LOSS (w)
70
80
90
100
125
150
175
200
225
4.4
5.1
5.5
6.5
7.6
9.3
11
250
300
350
400
450
500
600
700
800
19
22
26
30
32
37
45
55
51
1000
1200
1500
2000
2500
3000
3500
4000
4500
5000
57
70
88
122
142
164
191
198
211
228
30
35
40
50
60
70
80
90
81
95
120
190
280
420
550
700
240
540
690
960
160
380
460
640
1,400
3,500
4,600
5,800
7,200
11,000
16,000
22,000
29,000
36,000
45,000
65,000
88,000
110,000
140,000
180,000
260,000
350,000
460,000
720,000
1,000,000
1,600,000
1,800,000
2,900,000
4,500,000
960
2,100
2,300
2,500
3,000
4,100
6,000
8,000
11,000
13,000
16,000
24,000
32,000
42,000
53,000
66,000
95,000
130,000
170,000
260,000
380,000
600,000
680,000
1,100,000
1,600,000
13
15
100
125
150
175
200
225
250
300
350
400
450
500
600
700
800
1,000
1,200
1,500
1,600
2,000
2,500
860
1,300
2,000
2,600
3,400
4,300
5,400
7,700
11,000
14,000
18,000
22,000
31,000
42,000
55,000
86,000
125,000
200,000
220,000
350,000
550,000
Watts Loss Correction vs. Percent Rated Current
Percent Rated Current
D 10