參數(shù)資料
型號： 5URB000D08/400
廠商： MERSEN
元件分類： 保險絲
英文描述： ELECTRIC FUSE, 400A, 500VAC, 120000A (IR), INLINE/HOLDER
文件頁數(shù)： 5/5頁
文件大?。?/td> 207K
代理商： 5URB000D08/400
D 58
DIN 000 FUSES
6,6 gRB-URB/5URB SEMICONDUCTOR PROTECTION FUSES
DC Voltage Capability vs. Time Constant
Peak let through Data
Melting Time - Current data
20
25
32
40
50
63
80
100
125
160
200
250
315
350
400
RATED
CURRENT
CURVE
Ipm
a
b
c
d
60
65
90
120
150
200
270
370
500
700
1200
1800
2200
2600
3100
Above: Curves indicate permissible value of time
constant L/R as a function of DC working voltage.
Curve a: Ratings from 20 to 160 A
Curve b: Ratings 200 A
Curve c: Ratings from 250 to 315 A
Curve d: Ratings from 350 to 400 A
Above: Curves indicates peak arc
voltage Um which may appear across
fuse terminals at DC working voltage U.
Ipm values give minimum
DC interrupting current in amps
Corrections
Below: Curves show, for each rating, value of peak-let-through current
Ic as a function of availible fault current lp.
a
b
c
d
L/R =80 ms
L/R =25 ms
L/R =10 ms
C'
C
C'
L/R (ms)
gRB
100
90
80
70
60
50
40
30
20
10
0
100
200
300
400
500
600
700
U (V)
0
100
200
300
400
500
600
700
1400
1200
1000
800
600
400
200
0
U (V)
Um (V)
10 5
10 2
10 3
10 4
10 5
10 4
10 3
URB
10 2
10 6
IC(A)
10 2
10 5
10 4
10 3
10 6
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.5
0.6
0.7
0.8
0.9
1.0
1.1
P/Pn
I/In
Above: Correction factor to determine watts loss value
for a fuse operating below its rated current.
Ic =
2.5
Ip
Ic =
2
Ip
125 A
100 A
80 A
63 A
50 A
40 A
32 A
25 A
20 A
Ic =
2.5
Ip
Ic =
2
Ip
Ip (A)
400 A
350 A
315 A
250 A
200 A
160 A
125 A
100 A
80 A
10 2
10 3
10 4
10 4 I (A)
10 3
10 2
10
1
10-1
10-2
10-3
10-4
10
gRB
t (s)
10 2
10 3
10 4
10 3
10 2
10
1
10-1
10-2
10-3
10-4
10
t (s)
10 5 I (A)
URB
Left: Curves
show, for each
rated current,
pre-arching time
vs. R.M.S. pre-
arching current
Tolerance for
mean pre-arching
current
8%
20
25 32 40
50
63
80
100
125
80
100 125 160
200
250
315
350 400
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
DC Peak Arc Voltage
相關(guān)PDF資料
PDF描述
5URB000D08L/350 ELECTRIC FUSE, 350A, 500VAC, 120000A (IR), INLINE/HOLDER
5URB000D08L/400 ELECTRIC FUSE, 400A, 500VAC, 120000A (IR), INLINE/HOLDER
5URB000D08V/350 ELECTRIC FUSE, 350A, 500VAC, 120000A (IR), INLINE/HOLDER
5URB000D08V/400 ELECTRIC FUSE, 400A, 500VAC, 120000A (IR), INLINE/HOLDER
5URB000PV350 ELECTRIC FUSE, 350A, 500VAC, 120000A (IR), INLINE/HOLDER
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