Protistor DC fuses
Protistor DC fuses
SCDC28
DC Square-body Fuses
Sizes 2x122 - 2x123
gR 750V DC
12/04
Size 2x122
gRC - gRD from 500 to 1000 A
Microswitch: MC 3E 1-5N Ref. Number: D310020
* Max I2t @ 800V = 750 VDC 100 kA L/R = 50 ms and breaking capacity @750 VDC 100 kA L/R = 50 ms
500
630
800
900
1000*
CC 7,5 gRC 2122 TTF 0500
CC 7,5 gRC 2122 TTF 0630
CC 7,5 gRC 2122 TTF 0800
CC 7,5 gRD 2122 TTF 0900
CC 7,5 gRD 2122 TTF 1000
*
Breaking
Capacity
Q 090473
R 090474
S 090475
T 220955
V 220956
Watts loss
0.8 ININ
(W) (W)
51
63
81
98
104
94
116
149
180
190
Size Current
rating
IN( A )
Designation
D2122GC75V500TF
D2122GC75V630TF
D2122GC75V800TF
D2122GD75V900TF
D2122GD75V10CTF
Catalog Number
Ref.
Number
Main Characteristics
Max. I2t
@ 900 V = L/R 40 ms
IP = 10 INP = 50
IN
(A2S) (A2S)
Dimensions
5 106
8 106
12.4 106
16 106
25 106*
1 106
1.6 106
2.4 106
3.2 106
4.8 106*
Pack: 1 piece
2x122
@ 900V DC
100 kA
L/R = 40 ms
@ 750 V DC
100 kA
L/R = 100 ms
maximum I2t (A2s)
@ 800 V = L/R 40 ms
IP= 10 INIP= 50 IN
Weight: 2825 g
DC Square-body Fuses
Sizes 2x122 - 2x123
gR 750V DC
SCDC29
Protistor DC fuses
Protistor DC fuses
12/04
DC applications data
Electrical characteristics Peak arc voltage
vs. working voltage
L/R (ms)
U (V)
500
600
700
800
900
1000
1100
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 : L/R = 100 ms
2 : L/R = 40 ms
1 : curve gRC - gRD 900
2 : curve gRD 1000
Max. AC voltage (50/60 Hz):
1250 V with breaking capacity of 170 kA
Um(V)
U (V)
0
200
400
600
800
1000
2400
2000
1600
1200
800
400
0
1
2
1
2
Above: Curves indicate for various time constants L/R
the peak arc voltage which may appear across fuse
terminals, vs. DC working voltage
Above, left and right: Curves indicate, for each rated
current, pre-arcing time vs. R.M.S. pre-arcing current.
t (s)
I (A)
I (A)
10 210 310 4 10 510 210 310 4 10 5
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
500
630
800
900
1000
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
± 7% tolerance for mean
pre-arcing current
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
Time vs. current characteristics
Size 2x122
gRC - gRD from 500 to 1000 A
Protistor DC fuses
Protistor DC fuses
SCDC30
DC Square-body Fuses
Sizes 2x122 - 2x123
gR 750V DC
12/04
Microswitch: MC 3E 2-5N Reference Number: D310020
Size 2x123
gRC-gRB-gRD from 1000 to 1600 A
1000
1250
1400
1500
1600
CC 7,5 gRC 2123 TTF 1000
CC 7,5 gRB 2123 TTF 1250
CC 7,5 gRB 2123 TTF 1400
CC 7,5 gRD 2123 TTF 1500
CC 6.6 gRB 2123 TTF 1600
Breaking
Capacity
@ 750 V DC
100 kA
L/R = 100 ms
@ 900 V DC
100 kA
L/R = 40 ms
@ 750 V DC
100 kA
L/R = 50 ms
@ 660 V DC
100 kA
L/R = 50 ms
Z 090481
D 098558
B 090483
K 220947
L 220948
Watts loss
0.8 ININ
(W) (W)
102
148
164
164
74
82
82
180
187
Size Current
rating
IN( A )
Designation
D2123GC75V10CTF
D2123GB75V12CTF
D2122GB75V14CTF
D123GD75V1500TF
D123GB66V1600TF
Catalog Number
Ref.
Number
Main Characteristics
Max. I2t
@ 900 V = L/R 40 ms
IP = 10 INP = 50
IN
(A2S) (A2S)
Dimensions
20 106
30 106
40 106
40 106
48.6 106
4 106
6 106
8 106
8 106
10.106
Pack:
1 piece
Weight: 4190 g
2x123
maximum I2t (A2s)
@ 800 V = L/R 40 ms
IP= 10 INIP= 50 IN
maximum I2t (A2s)
@ 660 V = L/R 30 ms
IP= 10 INIP= 50 IN
See max. operating current
next page
DC Square-body Fuses
Sizes 2x122 - 2x123
gR 750V DC
SCDC31
Protistor DC fuses
Protistor DC fuses
12/04
Size 2x123
gRC-gRB-gRD from 1000 to 1600 A
DC applications data
Time vs. current characteristics
Electrical characteristics Peak arc voltage
vs. working voltage
L/R (ms)
500
600
700
800
900
1000
1100
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: L/R = 100 ms
2: L/R = 40 ms
3: curve gRC
4: curve gRD
5: curvee gRB 1600 A
Max. AC voltage (50/60 Hz):
1250 V with breaking capacity of 170 kA
Um(V)
U (V)
0
200
400
600
800
1000
2400
2000
1600
1200
800
400
0
12
3
4
5
Above: Curves indicate for various time constants L/R
the peak arc voltage which may appear across fuse
terminals, vs. DC working voltage
Above, left and right: Curves indicate, for each rated
current, pre-arcing time vs. R.M.S. pre-arcing current.
t (s)
I (A) I (A)
10 210 310 4 10 510 210 310 4 10 5
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
10 4
10 3
10 2
10
1
10 -1
10 -2
10 -3
10 -4
1000
1250
1400/1500
1600
a= 130
A2= 0.52
B1= 1.25
B2= 0.6
Cf3= 0.8
a= 130
A2= 0.52
B1= 1.25
B2= 0.6
Cf3= 0.8
± 7% tolerance for mean pre-arcing current
1250 1100
1400 1200
1500 1200
1600 1300
Current
rating
(A)
Maximum
operating
current
(A)
U (V)
