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參數(shù)資料
| 型號： | FBP-900 |
| 元件分類： | 保險絲 |
| 英文描述： | Fuse |
| 中文描述： | 保險絲 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 69K |
| 代理商： | FBP-900 |
12-17-98
SB98107
Rev. A
S emic onduc tor Fuses
700 Volts AC/DC, 35-1000 Amps
FBP
Form No. FBP
Page 1 of 3
BIF Doc #720041
Bussmann
CATALOG SYMBOL: FBP
700V AC, 700V DC
INTERRUPTING RATING 200,000 AMPERES
RMS SYMMETRICAL
U.L. RECOGNIZED
(GUIDE #JFHR2, FILE # E56412)
Ultra High Degree of Current Limitation and Low I
2
t.
The heat energy of even low-level fault currents can quickly
destroy a semiconductor device.
* Buss FW type fuse limits peak let-thru current to a level
which is a fraction of the potential available short-circuit peak
current.
Fast speed-of-response to build-up of short-circuit current
and the quickly decaying short-circuit current as the fuse
suppresses internal arcing together can limit the I
2
t let-thru to
values substantially lower than the I
2
t withstand of the semi-
conductor device.
Current Rating.
Current rating is given in AC (rms) for an ambient tempera-
ture of 20oC (68oF).
Although these fuses can be operated at 100% of rating,
good design practice dictates some derating (i.e. for ambient
temperature), typically this is 20%.
Voltage Rating.
Rated voltage of Semiconductor fuses is given in terms of
A.C. operation, 60Hz.
When used in D.C. circuits no voltage derating is required
provided the minimum interrupting capability is eight times
the fuse rating and the time constant does not exceed those
specified in U.L. 198L.
Total Clearing I
2
t.
Maximum values of total clearing I
2
t are obtained at the rated
A.C. voltage, an arcing angle between 60o and 90o, at an
available symmetrical rms current of 100,000 amperes, and
at a power factor of less than 15%.
Arc Voltage.
The arc voltage which develops across a fuse when it is
clearing a fault current must always exceed the system volt-
age.
This arc voltage may reach a value which is twice that of the
system applied voltage.
Catalog Numbers
FBP-35
FBP-40
FBP-50
FBP-60
FBP-70
FBP-80
FBP-90
FBP-100
FBP-125
FBP-150
FBP-175
FBP-200
FBP-250
FBP-300
FBP-350
FBP-400
FBP-450
FBP-500
FBP-600
FBP-700
FBP-800
FBP-900
FBP-1000
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