Protistor DC
Protistor DC fuses
fuses
DC Square-body Fuses
Sizes 600 - 602 - 2x602
SR Brackets size 600 - 3500 to 4200 V DC
4000-4200 V DC
SRE from 40 to 150 A
Dimensions
129
47.5
3
365
394
416
48
58
63
38 9
13
Weight: 1920 g
Main Characteristics
Size Current
rating
IN( A )
Breaking
Capacity
Max. I
2
t
@ 3500 V
0.8 IN IN
L/R = 15 ms L/R = 45 ms
(W)
(W)
(A
2
S)
(A
2
S)
Watts loss
Designation
Ref.
Number
Catalog Number
40
600
50
63
80
100
125
150
@ 4000 V DC
60 kA
L/R = 25 ms
@ 4200 V DC
60 kA
L/R = 15 ms
50
52
57
65
70
75
78
100
103
114
128
140
147
155
480
1050
2100
3500
8000
16500
31000
850
800
3500
6000
13500
28000
55000
CC 42 SRE 600 QF 0040 C079490
CC
CC
CC
CC
CC
CC
42
42
42
42
42
42
SRE
SRE
SRE
SRE
SRE
SRE
600
600
600
600
600
600
QF
QF
QF
QF
QF
QF
0050
0063
0080
0100
0125
0150
D079491
E079492
F079493
G079494
H079495
V079667
D600SE42C40QF
D600SE42C50QF
D600SE42C63QF
D600SE42C80QF
D600SE42C100QF
D600SE42C125QF
D600SE42C150QF
Microswitch MC 2R 1-5NBS Ref. Number: J310025
Pack:
1 piece
SCDC
68
12/04
Protistor DC fuses
Protistor DC fuses
DC Square-body Fuses
Sizes 600 - 602 - 2x602
SR Brackets size 600 - 3500 to 4200 V DC
4000-4200 V DC
SRE from 40 to 150 A
Electrical characteristics
DC applications data
L/R (ms)
4200 V SRE
100
8000
80
6000
60
4000
40
20
0
2800
3200
3600
4000
4200
2000
0
1000
2000
3000
1
10000
2
Peak arc voltage
vs. working voltage
Um(V)
U (V)
Above: Curve indicates maximum permissible value of
time constant L/R as a function of DC working voltage
1 : L/R = 15 ms 4200 V SRE
2 : L/R = 45 ms 4200 V SRE
Above: Curves indicate for various time constants
L/R the peak arc voltage which may appear across
fuse terminals, vs. DC working voltage
Max. AC voltage (50/60 Hz):
3800 V with breaking capacity of 50 kA
Time vs. current characteristics
100
150
40
50
125
63
80
4000
U (V)
0
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
10
C
C'
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
C
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
C
C'
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
C'
10 2
10 3
10 2
10 3
10 4
10 2
10 3
10 4
Above: Curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current
12/04
SCDC
69
I (A)
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