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FWH-400A View Datasheet(PDF) - Cooper Bussmann, Inc.

Part Name
Description
Manufacturer
FWH-400A
COOPER
Cooper Bussmann, Inc. COOPER
FWH-400A Datasheet PDF : 2 Pages
1 2
High Speed Fuses
North American — FWH 500V: 35-1600A
FWH
Specifications
Description: North American style
stud-mount fuses.
Dimensions: See Dimensions
illustration.
Ratings:
Volts: — 500Vac
Amps: — 35-1600A
IR: — 200kA Sym.
— 50kA @ 500Vdc
Agency Information: CE, UL Recognition & CSA
Component Acceptance on 35-800A only (50kA
IR@500Vdc). UL Recognition on 35-1200A only, CSA
Component Acceptance: 35-1600A.
Electrical Characteristics
Total Clearing I2t
1.5
K
The total clearing I2t at rated 1.0
voltage and at power factor of
15% are given in the electrical
characteristics. For other volt- 0.5
ages, the clearing I2t is found
1)
by multiplying by correction 0.3
factor, K, given as a function of 0.2 2)
applied working voltage, Eg,
(rms).
0.15
100
250
Eg
400 500
Dimensions (in)
Amp
1) 35-800A Range
2) 1000-1600A Range
Range
35-60
70-100
Fig. A B
C
D
E
F
GH
J
1 3.188 0.813 1.593 2.541 2.193 0.344 0.719 0.125 0.518
1 3.625 0.947 1.736 2.853 2.807 0.352 0.750 0.125 0.375
125-200
1 3.625 1.156 1.836 2.892 2.768 0.344 1.000 0.188 0.406
225-400
450-600
1 4.340 1.500 2.090 3.440 2.750 0.410 1.000 0.250 0.750
1 4.340 2.000 2.090 3.530 2.780 0.410 1.500 0.250 0.780
700-800
1 6.340 2.500 2.090 4.970 3.440 0.530 2.000 0.380 1.300
1000-1200 1 6.969 3.000 3.219 5.465 4.475 0.625 2.375 0.438 1.120
1400-1600 2 See Drawing
1mm = 0.0394” / 1” = 25.4mm
Fig. 1: 35-1200A
A
D
E
C
H
GF
Fig. 2: 1400-1600A
10.219
0.125
0.5 3.219
0.625
3.5
B
J
1.625
1.750
6.219
8.969
0.75
4.25
Arc Voltage
This curve gives the peak
2.0
UL
1.6
arc voltage, UL, which
1.2
may appear across the
103
fuse during its operation
800
as a function of the
applied working voltage,
600 2)
500
Eg, (rms) at a power factor
of 15%.
400
1)
300
Eg
Power Losses
100 200 300 400 500
Watts loss at rated cur-
1) 35-200 & 1000-1600A Range
2) 225-800A Range
rent is given in the elec-
trical characteristics. The
curve allows the calcula-
tion of the power losses
at load currents lower
than the rated current.
1.0
0.8
Kp
0.6
0.5
0.4
0.3
The correction factor, Kp, 0.2
is given as a function of
the RMS load current, Ib,
in % of the rated current. 0.1
Ib
30 40 50 60 70 80 90 100%
Catalog Numbers
Electrical Characteristics
Rated
I2t (A2 Sec)
Catalog
Current
Clearing Watts
Numbers
RMS-Amps Pre-arc at 500V
Loss
FWH-35B
35
34
150
8
FWH-40B
40
76
320
7.5
FWH-45B
45
105
450
7.5
FWH-50B
50
135
670
7.5
FWH-60B
60
210
900
9.9
FWH-70B
70
210
900
10.6
FWH-80B
80
305
1400
12.7
FWH-90B
90
360
1600
15
FWH-100B
100
475
2000
17
FWH-125B
125
800
3500
25
FWH-150B
150
1100
4600
30
FWH-175B
175
1450
6200
35
FWH-200B
200
1900
8500
40
FWH-225A
225
4600
23300
39
FWH-250A
250
6300
32200
41
FWH-275A
275
7900
40300
46
FWH-300A
300
9800
49800
51
FWH-325A
325
13700
63800
53
FWH-350A
350
14500
72900
58
FWH-400A
400
19200
96700
65
FWH-450A
450
24700
127000
74
FWH-500A
500
29200
149000
84
FWH-600A
600
41300
206000 108
FWH-700A
700
55000
298000 120
FWH-800A
800
76200
409000 129
FWH-1000A
1000
92000
450000 145
FWH-1200A
1200
122000
600000 180
FWH-1400A
1400
200000 1000000 210
FWH-1600A
1600
290000 1400000 230
• 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
For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp
97
 

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