Datasheet > FBP-70

FBP-70

更新时间： 2024-09-30 23:51:51

品牌	Logo	应用领域
其他 - ETC		电路保护
页数	文件大小	规格书
3页	73K
描述
Fuse

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数据手册

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FBP-70 数据手册

Bu s s m a n n

S e m ic o n d u c t o r Fu s e s

FBP

7 0 0 Vo lt s AC/DC, 3 5 -1 0 0 0 Am p s

Ultra High Degree of Current Limitation and Low I²t.

• 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 I²t let-thru to

values substantially lower than the I²t 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 I²t.

CATALOG SYMBOL: FBP

700V AC, 700V DC

INTERRUPTING RATING 200,000 AMPERES

RMS SYMMETRICAL

• Maximum values of total clearing I²t 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%.

U.L. RECOGNIZED

(GUIDE #JFHR2, FILE # E56412)

Arc Voltage.

• The arc voltage which develops across a fuse when it is

clearing a fault current must always exceed the system volt-

age.

Catalog Numbers

FBP-35

FBP-40

FBP-50

FBP-60

FBP-70

FBP-80

FBP-350

FBP-400

FBP-450

FBP-500

FBP-600

FBP-700

FBP-800

FBP-900

FBP-1000

• This arc voltage may reach a value which is twice that of the

system applied voltage.

FBP-90

FBP-100

FBP-125

FBP-150

FBP-175

FBP-200

FBP-250

FBP-300

Form No. FBP

Page 1 of 3

BIF Doc #720041

12-17-98

SB98107

Rev. A

12 3

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