Protistor DC fuses
Protistor DC fuses
SCDC46
DC Square-body Fuses
Sizes 300 - 302 - 2x302
gR Blades size 300 - 1750 to 2000V DC
12/04
Dimensions
Main Characteristics
10
12
16
20
25
32
40
50
63
80
CC 17000 CV3 gRC 300PSP 10
CC 17000 CV3 gRC 300PSP 12
CC 17000 CV3 gRC 300PSP 16
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
Breaking
Capacity
@ 1750 V DC
30 kA
L/R = 30 ms
@ 2000 V DC
30 kA
L/R = 30 ms
Y088870
X081026
L086996
K086995
Q081894
J086994
M086997
G086992
F086991
E086990
Watts loss
0.8 ININ
(W) (W)
5.8
6
6.7
7.9
10
13.5
16
19
23.5
28.5
10.6
11
12
14
18
24
29
34
42.5
51.5
Size Current
rating
IN( A )
Designation Catalog Number
Ref.
Number
Pack:
1 piece
D 300 GC 17C 10P
D 300 GC 17C 12P
D 300 GC 17C 16P
D 300 GC 20C 20P
D 300 GC 20C 25P
D 300 GC 20C 32P
D 300 GC 20C 40P
D 300 GC 20C 50P
D 300 GC 20C 63P
D 300 GC 20C 80P
Microswitch MC 2R 3E 1-5N BS Reference number: J310025
18
251
348
3
39
41
Size 300
gRC from 10 to 80 A
Weigth: 1050 g
218
300
DC Square-body Fuses
Sizes 300 - 302 - 2x302
gR Blades size 300 - 1750 to 2000V DC
SCDC47
Protistor DC fuses
Protistor DC fuses
07/05
Size 300
gRC-gRE from 200 to 560 A
DC applications data
Time vs. current characteristics
Electrical characteristics Peak arc voltage
vs. working voltage
t (s)
I (A)
10 10 2 10 310 4
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
10
12
16
20
25
32
40
50
63
80
Above, left and right: Curves indicate, for each rated current,
pre-arcing time vs. R.M.S. pre-arcing current
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
±10% tolerance for mean
pre-arcing current
U (V)
1200
1600
2000
2200
100
90
80
70
60
50
40
30
20
10
0
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
Max. AC voltage (50/60 Hz):
1700 V with breaking capacity of 80 kA
Um(V)
U (V)
0
1000
2000
4000
2000
0
1
3
4
Above: Curves indicate for various time constants
L/R the peak arc voltage which may appear across
the fuse terminals, vs. DC working voltage
3 Curve gRC 1750 V
4 Curve gRE 2000 V
L/R (ms)
