Protistor DC
Protistor DC fuses
fuses
DC Square-body Fuses
Sizes 300 - 302 - 2x302
gR Blades size 300 - 1750 to 2000V DC
Size 300
gRC from 10 to 80 A
Dimensions
39
18
218
251
348
3
41
Weigth: 1050 g
Main Characteristics
Size Current
rating
IN( A )
Breaking
Capacity
Watts loss
0.8 IN
IN
(W)
(W)
Designation
Ref.
Number
Catalog Number
10
12
16
20
25
32
40
50
63
80
@ 1750 V DC
30 kA
L/R = 30 ms
5.8
6
6.7
7.9
10
13.5
16
19
23.5
28.5
10.6 CC 17000 CV3 gRC 300PSP 10
11 CC 17000 CV3 gRC 300PSP 12
12 CC 17000 CV3 gRC 300PSP 16
14
18
24
29
34
42.5
51.5
CC 20000 CV3 gRC 300PSP 20
CC 20000 CV3 gRC 300PSP 25
CC 20000 CV3 gRC 300PSP 32
CC 20000 CV3 gRC 300PSP 40
CC 20000 CV3 gRC 300PSP 50
CC 20000 CV3 gRC 300PSP 63
CC 20000 CV3 gRC 300PSP 80
Y088870
X081026
L086996
K086995
Q081894
J086994
M086997
G086992
F086991
E086990
D 300 GC 17C 10P
D 300 GC 17C 12P
D 300 GC 17C 16P
D
D
D
D
D
D
D
300
300
300
300
300
300
300
GC
GC
GC
GC
GC
GC
GC
20C
20C
20C
20C
20C
20C
20C
20P
25P
32P
40P
50P
63P
80P
300
@ 2000 V DC
30 kA
L/R = 30 ms
Pack:
1 piece
Microswitch MC 2R 3E 1-5N BS Reference number: J310025
SCDC
46
12/04
Protistor DC fuses
Protistor DC fuses
DC Square-body Fuses
Sizes 300 - 302 - 2x302
gR Blades size 300 - 1750 to 2000V DC
Size 300
gRC-gRE from 200 to 560 A
Electrical characteristics
DC applications data
L/R (ms)
100
90
80
70
60
50
40
30
20
10
0
1200
Peak arc voltage
vs. working voltage
Um(V)
3 Curve gRC 1750 V
4 Curve gRE 2000 V
1
3
4
4000
2000
1600
2000
2200
1000
2000
U (V)
0
0
U (V)
Above: Curves indicate maximum permissible value of
time constant L/R as a function of DC working voltage
1 Curve gRC : L/R = 30 ms
Above: Curves indicate for various time constants
L/R the peak arc voltage which may appear across
the fuse terminals, vs. DC working voltage
Max. AC voltage (50/60 Hz):
1700 V with breaking capacity of 80 kA
Time vs. current characteristics
t (s)
12
20
40
25
32
50
10
16
80
10 4
63
10 3
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
10 2
10
1
±10% tolerance for mean
pre-arcing current
10 -1
10 -2
10 -3
10 -4
10
10 2
10 3
10 4
I (A)
Above, left and right: Curves indicate, for each rated current,
pre-arcing time vs. R.M.S. pre-arcing current
07/05
SCDC
47
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