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H-85
Hi-Tech
®
OS Series Back-Up Current-Limiting Fuses
Power & High Voltage —
Elastimold
®
& Hi-Tech
®
Fuse Products
Electrical Characteristics (Single Fuses)
Nominal
Fuse Voltage
Rating
(kV)
Current
Rating
(Amps)
Fuse
Cat. NO.
Rated
Maximum
Voltage
(kV)
Peak Arc
Voltage
(kV)
(4)
Minimum
I/C
(Amps)
Minimum
Melt I
2
t
(AMP
2
-SEC)
Maximum
Total I
2
t
(AMP
2
-SEC)
(2) (3)
8.3
40
HTSS232040
8.3
26
415
3,140
10,000
50
HTSS232050
10.0
25
300
2,500
14,000
65
HTSS232065
350
3,700
18,000
80
HTSS232080
430
6,300
31,000
100
HTSS232100
570
12,800
66,000
125
HTSS232125
8.3
26
850
39,000
120,000
150
HTSS232150
24.5
900
23,000
110,000
165
HTSS232165
24
1,020
39,500
175,000
200
HTSS232200
1,120
54,500
225,000
17.2
30
HTSS240030
17.2
49
240
1,260
6,800
40
HTSS240040
330
2,680
12,000
50
HTSS240050
440
4,440
17,000
65
HTSS242065
360
3,700
22,000
80
HTSS242080
440
6,300
36,000
100
HTSS242100
580
12,800
76,000
125(1)
HTSS242125
540
14,800
66,000
150(1)
HTSS242150
700
34,800
137,000
15.5
165(1)
HTSS242165
15.5
48
780
51,200
195,000
23.0
30
HTSS252030
25.5
71
300
920
4,250
40
HTSS252040
390
1,580
9,750
50
HTSS252050
570
3,200
20,000
65
HTSS252065
70
360
3,700
17,000
80
HTSS252080
440
6,300
28,000
100
HTSS252100
575
12,800
70,000
38.0
65
HTSS372065
38.0
104
450
2,600
12,100
80
HTSS372080
570
5,600
23,500
100
HTSS372100
720
9,500
36,100
125
HTSS372125
950
19,300
68,000
165
HTSS372165
102
1,200
43,500
155,000
Notes:
(1) These fuses have only been tested at a rated maximum interrupting current of 44,000A RMS symmetrical. All other fuses have a rated maximum interrupting current of 50,000A RMS symmetrical.
(2) Tabulated maximum total I
2
t values are at the nominal voltage of the fuse. Values for 17.2kV fuses at 15.5kV are reduced by approximately 12%, while values for 8.3kV and 23kV fuses at
10kV and 25.5kV are increased by approximately 30% and13% respectively.
(3) Maximum total I
2
t values are reduced for currents below 50,000A. For example, at 10,000A, maximum total I
2
t values are approximately 15% less than the published values.
(4) Peak arc voltages quoted are for 50,000A currents at the rated maximum voltage listed. Reduced voltages and currents will reduce the peak arc voltage. Consult the factory for information.