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D
D 15
Operating Voltage (AC RMS Volts)
Clearing I
2t vs. AC Operating Voltage
I2t DATA
FUSE
MAX. CLEARING I2t @ 500VAC
AMPERE MELTING I
2t 1 FUSE (Fig A) 2 FUSES IN SERIES
RATING
(A
2s x 103)(A2s x 103)(A2s x 103)(Fig B)
35
.09
.56
.34
40
.11
.69
.4
50
.18
1.1
.68
60
.25
1.6
.94
70
.31
1.9
1.1
80
.43
2.6
1.5
90
.57
3.6
2.1
100
.74
4.4
2.7
125
.94
5.6
3.4
150
1.5
9
5.4
175
2.5
15
9
200
3.3
20
12
225
4.1
25
15
250
4.9
29
18
300
9.2
55
33
350
15
88
53
400
16
98
59
450
21
130
76
500
26
160
94
600
37
220
130
700
53
270
160
800
72
360
220
900
98
500
300
1000
112
560
330
1200
200
930
550
Load
500 VAC
Fault
Fig. A
Load
500 VAC
Fault
Fig. B
AMPERE
CLEARING I2t
AMPERE
CLEARING I2t
RATING
(A2s x 103)
RATING
(A2s x 103)
35
.48
250
25
40
.58
300
47
50
1.0
350
75
60
1.3
400
83
70
1.6
450
110
80
2.2
500
130
90
3.0
600
190
100
3.8
700
220
125
4.8
800
260
150
7.7
900
350
175
13
1000
430
200
17
1200
660
225
21
Clearing I
2t at 500V DC, 100kA, L/R = 10 ms
DC Application: A50QS Fuses have been designed for both AC
and DC operation. A50QS fuses (70-600) have UL Component
Recognition at 500V DC and have been tested to circuit parameters
as defined in Standard 198L.
L/R Time Constant (ms)
DC Voltage Capability vs. Time Constant
AMP-TRAP®–Form 101
A50QS
SEMICONDUCTOR PROTECTION FUSES
I
2t Data – 500 Volts AC
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