Protistor DC fuses
Protistor DC fuses
SCDC32
DC Square-body Fuses
Sizes 70- 72 - 2x72
SR 1200V DC
12/04
Size 70
SRF from 20 to 215 A
3
116
141
163
39
63
91 59,5
38 9
13
Microswitch: MC 3E 1-5N Ref. Number : D310020
Main Characteristics
20
25
32
40
50
63
80
100
125
160
200
215
CC 12 SRF 70 QF 0020
CC 12 SRF 70 QF 0025
CC 12 SRF 70 QF 0032
CC 12 SRF 70 QF 0040
CC 12 SRF 70 QF 0050
CC 12 SRF 70 QF 0063
CC 12 SRF 70 QF 0080
CC 12 SRF 70 QF 0100
CC 12 SRF 70 QF 0125
CC 12 SRF 70 QF 0160
CC 12 SRF 70 QF 0200
CC 12 SRF 70 QF 0215
Breaking
Capacity
C076638
S079435
T079436
V079437
W079438
X079439
Y079440
Z079441
A079442
B079443
C079444
D079445
Watts loss
0.8 ININ
(W) (W)
4.5
7
8.5
10
12
15
18.5
21.5
28
34
35
46
10
15.5
18.5
22
26
33
37.5
44.5
54
64
65.5
89
Size Current
rating
IN( A )
Designation
D70SF120V20QF
D70SF120V25QF
D70SF120V32QF
D70SF120V40QF
D70SF120V50QF
D70SF120V63QF
D70SF120V80QF
D70SF120V100QF
D70SF120V125QF
D70SF120V160QF
D70SF120V200QF
D70SF120V215QF
Catalog Number
Ref.
Number
Max. I2t
@ 1000 V
L/R = 15 ms L/R = 45 ms
(A2S) (A2S)
180
180
350
580
1030
1600
3100
5800
9200
19200
45000
55000
310
310
610
1000
1800
2800
5400
10000
16000
33200
78500
95000
Pack:
1 piece
Weight: 680 g
Dimensions
70 @ 1200 V DC
100 kA
L/R = 15 ms
DC Square-body Fuses
Sizes 70- 72 - 2x72
SR 1200V DC
SCDC33
Protistor DC fuses
Protistor DC fuses
12/04
Size 70
SRF from 20 to 215 A
DC applications data
Time vs. current characteristics
Electrical characteristics Peak arc voltage
vs. working voltage
t (s)
L/R (ms)
I (A)
U (V)
10 10 2 10 310 210 3 10 4
700
800
900
1000
1100
1200
1300
1400
90
80
70
60
50
40
30
20
10
0
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
20 25
32 40
50
Above: Curve indicates maximum permissible value of time constant L/R
as a function of DC working voltage 1 : L/R = 45 ms
2 : L/R = 15 ms
Max. AC voltage (50/60 Hz):
900 V with breaking capacity of 100 kA
Um(V)
U (V)
0
300
600
900
1200
2000
1600
1200
800
400
0
1
2
63100
160
215
CCC
C'
10 210 3 10 4
80
125
200
Above: Curves indicate for various time constants
L/R the peak arc voltage,which may appear across
fuse terminals, vs. DC working voltage
Above: 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
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
C' C'
Protistor DC fuses
Protistor DC fuses
SCDC34
DC Square-body Fuses
Sizes 70- 72 - 2x72
SR 1200V DC
12/04
Dimensions
Main Characteristics
160
200
250
315
400
420
CC 12 SRG 72 QF 0160
CC 12 SRG 72 QF 0200
CC 12 SRG 72 QF 0250
CC 12 SRG 72 QF 0315
CC 12 SRG 72 QF 0400
CC 12 SRG 72 QF 0420
Breaking
Capacity
K079428
L079429
M079430
N079431
P079432
Q079433
Watts loss
0.8 ININ
(W) (W)
41
48
57
60
66
67
77.5
88
96
110
129
131
Size Current
rating
IN( A )
Designation
D72SG120V160QF
D72SG120V200QF
D72SG120V250QF
D72SG120V315QF
D72SG120V400QF
D72SG120V420QF
Catalog Number
Ref.
Number
Max. I2t
@ 1000 V
L/R = 15 ms L/R = 45 ms
(A2S) (A2S)
12000
21000
45500
90000
182000
220000
20000
36000
78500
154000
314000
380000
Size 72
SRG from 160 to 420 A
weight : 1151 g
3
116
141
163
60
77
105 80.5
65
60 28
9
ø13
Microswitch: MC 3E 1-5N Ref. Number: D310020
Pack:
1 piece
72 @ 1200 V DC
100 kA
L/R = 15 ms
DC Square-body Fuses
Sizes 70- 72 - 2x72
SR 1200V DC
SCDC35
Protistor DC fuses
Protistor DC fuses
12/04
Size 72
SRG from 160 to 420 A
DC applications data
Electrical characteristics Peak arc voltage
vs. working voltage
U (V)
L/R (ms)
I (A)
I (A)
U (V)
10 210 3 10 4
700
800
900
1000
1100
1200
1300
1400
90
80
70
60
50
40
30
20
10
0
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
200
315
420
Above: Curve indicates maximum permissible value of time
constant L/R as a function of DC working voltag 1 : L/R = 45 ms
2 : L/R = 15 ms
Max. AC voltage (50/60 Hz):
900 V with breaking capacity of 100 kA
Um(V)
0
300
600
900
1200
2000
1600
1200
800
400
0
1
2
160
250
400
C
C'
10 210 3 10 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
Above, left and right: These 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
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
Time vs. current characteristics
Protistor DC fuses
Protistor DC fuses
SCDC36
12/04
DC Square-body Fuses
Sizes 70- 72 - 2x72
SR 1200V DC
Dimensions
Main Characteristics
500
630
800
840
CC 12 SRG 272 QF 500
CC 12 SRG 272 QF 630
CC 12 SRG 272 QF 800
CC 12 SRG 272 QF 840
Breaking
Capacity
P077983
F079447
G079448
H079449
Watts loss
0.8 ININ
(W) (W)
120
126
139
142
202
230
270
275
Size Current
rating
IN( A )
Designation
D 272 SG 120V 500 QF
D 272 SG 120V 630 QF
D 272 SG 120V 800 QF
D 272 SG 120V 840 QF
Catalog Number
Ref.
Number
Max. I2t
@ 1000 V
L/R = 15 ms L/R = 45 ms
(A2S) (A2S)
182000
360000
728000
880000
314000
616000
1.25 106
1.53 106
Size 2x72
SRG from 500 to 840 A
weight : 2400 g
3
116
141
163
76.5
36
77
105
159.5 86.5
65
60 28
9
66
ø13
Microswitch: MC 3E 1-5N Ref. Number: D310020
Pack:
1 piece
2x72 @ 1200 V DC
100 kA
L/R = 15 ms
DC Square-body Fuses
Sizes 70- 72 - 2x72
SR 1200V DC
SCDC37
Protistor DC fuses
Protistor DC fuses
12/04
Size 2x72
SRG from 500 to 840 A
DC applications data
Electrical characteristics Peak arc voltage
vs. working voltage
U (V)
L/R (ms)
I (A)
I (A)
U (V)
10 210 3 10 4
700
800
900
1000
1100
1200
1300
1400
90
80
70
60
50
40
30
20
10
0
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
630
840
Above: Curve indicates maximum permissible value of time
constant L/R as a function of DC working voltag 1 : L/R = 45 ms
2 : L/R = 15 ms
Max. AC voltage (50/60 Hz):
900 V with breaking capacity of 100 kA
Um(V)
0
300
600
900
1200
2000
1600
1200
800
400
0
1
2
500
800
10 210 3 10 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
Above, left and right: These 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
a= 130
A2=0.6
B1= 1.25
B2= 0.6
Cf3= 0.8
Time vs. current characteristics
