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參數(shù)資料
| 型號(hào)： | CC7.5GRC120TTF0080 |
| 廠商： | MERSEN |
| 元件分類： | 保險(xiǎn)絲 |
| 英文描述： | ELECTRIC FUSE, 80A, 750VDC, INLINE/HOLDER |
| 文件頁(yè)數(shù)： | 6/6頁(yè) |
| 文件大?。?/td> | 157K |
| 代理商： | CC7.5GRC120TTF0080 |
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 3
10 4
10 2
10 5
a=130
A2=0.6
B1=1.25
B2=0.6
Cf3=0.8
gRC
gRD
2400
2000
1600
1200
800
400
0
200
400
600
800
1000
Um(V)
U (V)
400 450
1
2
1
2
G 45
G
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