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FWH-1400A Datasheet(PDF) 7 Page - Cooper Bussmann, Inc.

Part # FWH-1400A
Description  High Speed Fuses
Download  20 Pages
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Manufacturer  COOPER [Cooper Bussmann, Inc.]
Direct Link  http://www.cooperbussmann.com
Logo COOPER - Cooper Bussmann, Inc.

FWH-1400A Datasheet(HTML) 7 Page - Cooper Bussmann, Inc.

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High Speed Fuses
For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp
93
2.656
1.936
2.188
1.156
0.312
0.438
0.750
1.000
0.125
Dimensions (in)
Fig. 1: 70-400A
1.500
0.250
3.500
2.438
1.250
1.000
0.406
Fig. 2: 500-1000A
1mm = 0.0394 “ / 1” = 25.4mm
North American — FWA 150V: 70-1000A
FWA
Specifications
Description:
North American style
stud-mount fuses.
Dimensions:
See Dimensions
illustrations.
Ratings:
Volts: — 150Vac
Amps: — 70-1000A
IR: — 100kA Sym. (70-400A)
— 200kA Sym. (450-1000A)
— 20kA @150Vdc (70-800A)
— 100kA @ 80Vdc (70-400A)
Agency Information:
CE, UL Recognized
Electrical Characteristics
Total Clearing I2t
The total clearing I2t at rated
voltage and at power factor of
15% are given in the electri-
cal characteristics. For other
voltages, the clearing I2t is
found by multiplying by cor-
rection factor, K, given as a
function of applied working
voltage, Eg, (rms).
Arc Voltage
This curve gives the peak
arc voltage, UL, which may
appear across the fuse dur-
ing its operation as a func-
tion of the applied working
voltage, Eg, (rms) at a
power factor of 15%.
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 correc-
tion factor, Kp, is given as
a function of the RMS load
current, Ib, in % of the
rated current.
Catalog Numbers
Electrical Characteristics
Rated
I
2t (A2 Sec)
Catalog
Current
Clearing
Watts
Number
RMS-Amps
Pre-arc
at 150V
Loss
FWA-70B
70
470
4000
6.9
FWA-80B
80
670
6000
7.7
FWA-100B
100
1200
12000
9.0
FWA-125B
125
1870
18000
11.2
FWA-150B
150
2700
26000
13.5
FWA-200B
200
4780
45000
17.6
FWA-250B
250
7470
70000
22.5
FWA-300B
300
10760
100000
27.0
FWA-350B
350
15700
140000
30.6
FWA-400B
400
20300
180000
35.2
FWA-500A
500
39000
120000
35.0
FWA-600A
600
46000
140000
47.0
FWA-700A
700
75000
220000
49.0
FWA-800A
800
92000
280000
58.0
FWA-1000A
1000
170000
510000
60.0
• Watts loss provided at rated current.
• See accessories on page 106.
Features and Benefits
• Excellent dc performance
• Low arc voltage and low energy let-through (I2t)
• Low watts loss
• Superior cycling capability
Typical Applications
• DC common bus
• DC drives
• Power converters/rectifiers
• Reduced voltage starters
150
102
70
22
1.5
1.0
0.5
0.3
0.2
0.15
Eg
K
1)
2)
Kp
1.0
0.8
0.4
0.5
0.6
0.3
0.2
0.1
30 40 50
60
70
80 90 100%
I
b
U
L
E
g
200
100
100
150
50
300
1) 500-1000A Range
2) 70-400A Range


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