FWA-500B [ETC]
Fuse ; 保险丝\n
| 型号： | FWA-500B |
| 厂家： | 
ETC |
| 描述： | Fuse
|
| 文件： | 总2页 (文件大小：35K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
®
Bu s s m a n n
FWA 150V 70-1000A
®
Electrical Characteristics
Ordering Information
Dimensions
Curves
I2t (A2 Sec)
Rated
Current
RMS-Amps
Carton
Weight
(lbs)
See Page
or
(BIF #)
Clearing
at 150V
Watts
Loss
Part
Number
FWA-70B
Carton
Qty.
Figure
Number
Type
Pre-arc
470
70
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
1
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
5
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, Kp,
is given as a function of the RMS load
current, Ib, 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,
Eg, (RMS).
UL, which may appear across the fuse
during its operation as a function of the
applied working voltage, Eg, (RMS) at a
power factor of 15%.
1.5
K
1.0
0.8
Kp
UL
1.0
0.6
0.5
300
0.4
0.3
0.5
1)
200
100
0.2
0.3
2)
0.2
Eg
Eg
Ib
80 90 100%
0.15
0.1
22
70
102
150
50
100
150
30 40 50 60
70
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
®
Bu s s m a n n
FWA 150V 70-1000A
Dimensions
Fig. 1: 70-400 Amp Range
2.656
2.188
1.936
1.156
0.125
0.750 0.312
1.000
0.438
Fig. 2: 500-1000 Amp Range
3.500
2.438
1.250
0.250
1.000
1.500
0.406
Dimension in inches.
1mm = 0.0394∑
1∑ = 25.4mm
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled.
This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right,
without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without
notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Form No. FWA 150
Page 2 of 2
BIF Doc #720002
12-28-98
SB98107
Rev. A
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