Datasheet > FWA-500B

FWA-500B

更新时间： 2024-09-15 23:53:07

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Fuse

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FWA-500B 数据手册

Bu s s m a n n

FWA 150V 70-1000A

Electrical Characteristics

Ordering Information

Dimensions

Curves

I²t (A²Sec)

Rated

Current

RMS-Amps

Carton

Weight

(lbs)

See Page

(BIF #)

Clearing

at 150V

Watts

Loss

Part

Number

FWA-70B

Carton

Qty.

Figure

Number

Type

Pre-arc

470

4000

6.9

_____________________________________________________________________________________

80 670 6000 7.7 FWA-80B

_____________________________________________________________________________________

100 1200 12000 9.0 FWA-100B

_____________________________________________________________________________________

125 1870 18000 11.2 FWA-125B

_____________________________________________________________________________________

150 2700 26000 13.5 FWA-150B

_____________________________________________________________________________________

200 4780 45000 17.6 FWA-200B

0.18

Fig. 1

_____________________________________________________________________________________

250 7470 70000 22.5 FWA-250B

_____________________________________________________________________________________

300 10760 100000 27.0 FWA-300B

page 21

(35785310)

FWA

150V

_______________________________________________________________________________ _____

350

15700

140000

30.6

FWA-350B

_____________________________________________________________________________________

400 20300 180000 35.2 FWA-400B

__________________________________________________________________________________________________________________________

500 39000 120000 35.0 FWA-500A

_____________________________________________________________________________________

600 46000 140000 47.0 FWA-600A

_____________________________________________________________________________________

700 75000 220000 49.0 FWA-700A

2.42

Fig. 2

_____________________________________________________________________________________

800 92000 280000 58.0 FWA-800A

_____________________________________________________________________________________

1000 170000 510000 60.0 FWA-1000A

Ⅲ Interrupting rating 100kA RMS Symmetrical.

Ⅲ Watts loss provided at rated current.

1 kg = 2.2 lbs 1 lb = 0.45 kg

Ⅲ 150 Vdc U.L. Recognition on 70 through 800 amperes only. Consult Bussmann for additional ratings.

Ⅲ See accessories on page 20.

Electrical Characteristics

Total Clearing I²t

The total clearing I²t at rated voltage and This curve gives the peak arc voltage,

Arc Voltage

Power Losses

Watts loss at rated current is given in

the electrical characteristics. The curve

allows the calculation of the power

losses at load currents lower than the

rated current. The correction factor, K_p,

is given as a function of the RMS load

current, I_b, in % of the rated current .

at power factor of 15% are given in the

electrical characteristics. For other volt-

ages, the clearing I²t is found by multi-

plying by correction factor, K, given as

a function of applied working voltage,

E_g, (RMS).

U_L, which may appear across the fuse

during its operation as a function of the

applied working voltage, E_g, (RMS) at a

power factor of 15%.

1.5

1.0

0.8

U_L

1.0

0.6

0.5

300

0.4

0.3

0.5

200

100

0.2

0.3

0.2

E_g

I_b

80 90 100%

0.15

0.1

102

150

100

150

30 40 50 60

1) 500-1000 Amp Range

2) 70-400 Amp Range

Form No. FWA 150

Page 1 of 2

BIF Doc #720002

12-28-98

SB98107

Rev. A

中文翻译

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