G 40
750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE
Dimensions
SIZE CURRENT
RATING
IN(A)
INTERRUPTING
RATING CATALOG NUMBER (1) REF.
NUMBER
APPLICATIONS DATA
Microswitch: MC 3E 1-5N Ref. Number: D310020
120
50
63
80
100
125
160
50
63
80
100
125
160
WATTS LOSS
0.8 ININ
@ 750V=
100kA
L/R = 100ms
@ 900 V=
100kA
L/R = 40ms
4.4
5.7
7.3
9.1
11.5
15
4.4
5.7
7.3
9.1
11.5
15
8.1
10.4
13.4
16.7
21
27
8.1
10.4
13.4
16.7
21
27
CC 7,5 gRC 120 EF 0050
CC 7,5 gRC 120 EF 0063
CC 7,5 gRC 120 EF 0080
CC 7,5 gRC 120 EF 0100
CC 7,5 gRC 120 EF 0125
CC 7,5 gRC 120 EF 0160
CC 7,5 gRC 120 TTF 0050
CC 7,5 gRC 120 TTF 0063
CC 7,5 gRC 120 TTF 0080
CC 7,5 gRC 120 TTF 0100
CC 7,5 gRC 120 TTF 0125
CC 7,5 gRC 120 TTF 0160
Y084776
R085207
Q085206
P085205
R086242
N085204
B220824
Q082400
Z090435
R082401
P085251
R085253
MAXIMUM l2t
@900V=L/R 40ms
Ip=10INIp=50IN
42500
75500
125000
200000
315000
485000
42500
75500
125000
200000
315000
485000
8500
15000
24500
40000
62500
100000
8500
15000
24500
40000
62500
100000
181
124
CC.... 120 E ...
18
156
9
126
124
CC.... 120 TTF...
M8
tapped 9mm
deep
39
6
66.5
28
41
53
39
41
53
28
56.5
Weight: 579 g
Weight: 574 g
SIZE: 120
50 to 160 Amps
750vdc at 100kA
L/R=100mSec
900vdc at 100kA
L/R=40mSec
Ratings Features/Benefits
Blown Fuse indicator
Square ceramic body
Full range D.C. operation
Bladed and tapped versions
standard
G 41
G
750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE
DC Application Data Peak Arc voltage vs. working voltage
Time vs. current characteristics
Above: Curve indicates maximum permissible value of time
constant L/R as a function of DC working voltage.
Max. AC voltage (50/60 Hz): 1250V with interrupting rating
of 170kA.
1-L/R = 45ms
2-L/R = 15ms
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.
7% tolerance for mean
pre-arcing current
+
-
90
80
70
60
50
40
30
20
10
0
600
700
800
900
1000
1100
L/R (ms)
U (V)
2400
2000
1600
1200
800
400
0
0
200
400
600
800
1000
Um(V)
U (V)
1
2
I (A)
G 42
750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE
SIZE: 121
200 to 250 Amps
750vdc at 100kA
L/R=100mSec
900vdc at 100kA
L/R=40mSec
Ratings Features/Benefits
Blown Fuse indicator
Square ceramic body
Full range D.C. operation
Bladed and tapped versions
standard
SIZE CURRENT
RATING
IN(A)
INTERRUPTING
RATING CATALOG NUMBER (1) REF.
NUMBER
APPLICATIONS DATA
Microswitch: MC 3E 1-5N Ref. Number: D310020
121
200
250
200
250
WATTS LOSS
0.8 ININ
@ 750V DC
100kA
L/R = 100ms
@900V DC
100kA
L/R = 40ms
20.5
25.5
20.5
25.5
37.5
46.7
37.5
46.7
CC 7,5 gRC 121 EF 0200
CC 7,5 gRC 121 EF 0250
CC 7,5 gRC 121 TTF 0200
CC 7,5 gRC 121 TTF 0250
A086710
M085203
N085250
Q085252
Dimensions
MAXIMUM l2t
@900V=L/R 40ms
Ip=10INIp=50IN
755000
1250000
755000
1250000
150000
250000
150000
250000
191
129
CC.... 121 E ...
25
166
11
131
129
CC.... 121 TTF...
M8
Tapped
9mm deep
51
6
66.5
28
51
63
51
51
63
28
66.5
Weight: 825 g
Weight: 796 g
G 43
750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE
G
DC Application Data Peak Arc voltage vs. working voltage
Time vs. current characteristics
Above: Curve indicates maximum permissible value of time
constant L/R as a function of DC working voltage.
Max. AC voltage (50/60 Hz): 1250V with interrupting rating
of 170kA.
1-L/R = 100ms
2-L/R = 40ms
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.
7% tolerance for mean
pre-arcing current
+
-
90
80
70
60
50
40
30
20
10
0
600
700
800
900
1000
1100
L/R (ms)
U (V)
a=130
A2=0.6
B1=1.25
B2=0.6
Cf3=0.8
10 2
10 3
10 4
10 3
10 2
10
1
10-1
10-2
10-3
10-410
t (s)
10 4I (A)
200
250
2400
2000
1600
1200
800
400
0
0
200
400
600
800
1000
Um(V)
U (V)
1
2
G 44
750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE
SIZE: 122
250 to 500 Amps
750vdc at 100kA
L/R=100mSec
900vdc 100kA
L/R=40mSec
Ratings Features/Benefits
Blown Fuse indicator
Square ceramic body
Full range D.C. operation
Bladed and tapped versions
standard
Dimensions
SIZE CURRENT
RATING
IN(A)
INTERRUPTING
RATING CATALOG NUMBER (1) REF.
NUMBER
APPLICATIONS DATA
*MAX. 12t @ 800V=, L/R=40ms
Microswitch: MC 3E 1-5N Ref. Number: D310020
122
250
315
350
400
450
500
250
315
350
400
450
500
WATTS LOSS
0.8 ININ
@ 750V DC
100kA
L/R = 100ms
@ 900 V DC=
100kA
L/R = 40ms
25.5
31.5
35
40.5
49
52
25.5
31.5
35
40.5
49
52
46.7
58
64.5
74.5
90
95
46.7
58
64.5
74.5
90
95
CC 7,5 gRC 122 EF 0250
CC 7,5 gRC 122 EF 0315
CC 7,5 gRC 122 EF 0350
CC 7,5 gRC 122 EF 0400
gRD 7,5 gRD 122 EF 0450
gRD 7,5 gRD 122 EF 0500
CC 7,5 gRC 122 TTF 0250
CC 7,5 gRC 122 TTF 0315
CC 7,5 gRC 122 TTF 0350
gRD 7,5 gRC 122 TTF 0400
gRD 7,5 gRD 122 TTF 0450
gRD 7,5 gRD 122 TTF 0500
A087331
B087332
W221141
L089388
P220951
Q220952
B090437
M085249
G220898
C090438
R220953
S220954
MAXIMUM l2t
@900V=L/R 40ms
Ip=10INIp=50IN
1.25x106
2x106
2.5x106
3.1x106
4x106
6.2x106*
1.25 x106
2x106
2.5x106
3.1x106
4x106
6.2x106*
250,000
400,000
500,000
600,000
800,000
1.25x106*
250,000
400,000
500,000
600,000
800,000
1.25x106*
206
129
CC.... 122 E ...
171
13
131
129
CC.... 122 TTF ...
M10
Tappped
9mm deep
65.5
28
60
72
60
60
72
28
65.5
Weight: 1,210 g
Weight: 1,150 g
60
6
32
750V DC SQUARE-BODY FUSES /SPECIAL PURPOSE
DC Application Data Peak Arc voltage vs. working voltage
Time vs. current characteristics
1-gRC-gRD 450A
2-gRD 500A
Above: Curve indicates maximum permissible value of time
constant L/R as a function of DC working voltage.
Max. AC voltage (50/60 Hz): 1250V with interrupting rating
of 170kA.
1-L/R = 100ms
2-L/R = 40ms
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.
7% tolerance for mean
pre-arcing current
+
-
90
80
70
60
50
40
30
20
10
0
500
600
700
800
900
1000
1100
L/R (ms)
U (V)
10 3
10 4
10 2
10
1
10-1
10-2
10-3
10-4
t (s)
I (A)
10 310 4
10 210 5
a=130
A2=0.6
B1=1.25
B2=0.6
Cf3=0.8
gRC gRD
2400
2000
1600
1200
800
400
0
0
200
400
600
800
1000
Um(V)
U (V)
400
450
1
212
G 45
G
