Protistor DC
Protistor DC fuses
fuses
DC Square-body Fuses
Sizes 300 - 302 - 2x302
gR Blades size 2x302 - 2000V DC
gRC-gRE from 200 to 560 A
Dimensions
77
150
229
83.5
6
83.5
228
246
268
60
74,5
Weigth: 2200 g
9
60 28
ø13
Main Characteristics
Size Current
rating
IN( A )
Breaking
Capacity
Watts loss
0.8 IN
IN
(W)
(W)
Designation
Ref.
Number
Catalog Number
200
250
@ 2000 V DC
30 kA
L/R = 30 ms
@ 2000 V DC
30 kA
L/R = 14 ms
@ 1800 V DC
100 kA
L/R = 20 ms
60
74
117
144
CC 20 gRC 2302 QF 200
CC 20 gRC 2302 QF 250
B079903
C079904
D2302GC20C200QF
D2302GC20C250QF
2x302 315
400
500
560
84
96
115
120
140
160
190
200
CC
CC
CC
CC
20
20
20
20
gRE
gRE
gRE
gRE
2302
2302
2302
2302
QF
QF
QF
QF
315
400
500
560
X075759
Y075760
Z075761
A075762
D2302GE20C315QF
D2302GE20C400QF
D2302GE20C500QF
D2302GE20C560QF
Pack:
1 piece
Microswitch MC 2R 3E 1-5N BS Reference number: J310025
SCDC
50
12/04
Protistor DC fuses
Protistor DC fuses
DC Square-body Fuses
Sizes 300 - 302 - 2x302
gR Blades size 2x302 - 2000V DC
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 2000 V
4 Curve gRE 2000 V
3
4
1
4000
2
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
2 Curve gRE : L/R = 15 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)
10 4
200
315
400
500
560
gRC
250
t (s)
10 4
gRE
10 3
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
10 3
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
10 2
10 2
10
10
1
1
10 -1
10 -1
10 -2
10 -2
10 -3
10 -3
10 -4
102
10 3
10 4
10 5
I (A)
10 -4
10 2
10 3
10 4
10 5
I (A)
±10% tolerance for mean pre-arcing current
Above, left and right: Curves indicate, for each rated current,
pre-arcing time vs. R.M.S. pre-arcing current
12/04
SCDC
51
DSP 与 ARM 处理器
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