High Speed Fuses
North American — FWP 700V: 5-1200A
Arc Voltage
2
FWP
UL
This curve gives the peak arc
1.6
1.4
1.2
Specifications
Description: North American
style stud-mount fuses.
voltage, U , which may
L
1)
appear across the fuse dur-
ing its operation as a function
of the applied working volt-
103
2)
8
Dimensions: See Dimensions
illustrations.
6
5
age, E , (rms) at a power
g
Ratings:
factor of 15%.
4
3
Volts: — 700Vac
Amps: — 5-1200A
IR: — 200kA RMS Sym.
— 50kA @700Vdc
Eg
Power Losses
300
400
500
600
700
Watts loss at rated current is
given in the electrical charac-
teristics. The curve allows
the calculation of the power
losses at load currents lower
than the rated current. The
correction factor, K , is given
as a function of the RMS
load current, I , in % of the
rated current.
1) 125-600A Range
2) 35-100 & 700-1200A Range
1.0
0.8
Agency Information: CE, UL Recognition & CSA
Component Acceptance on 5-800A
Kp
0.6
0.5
Electrical Characteristics
0.4
0.3
p
Total Clearing I2t
1.5
K
2
0.2
b
The total clearing I t at rated
1.0
voltage and at power factor of
15% are given in the electrical
Ib
2)
0.1
30 40 50 60
80 90 100%
characteristics. For other volt-
70
0.5
Catalog Numbers
2
ages, the clearing I t is found
Electrical Characteristics
I2t (A2 Sec)
1)
Rated
Current
RMS-Amps
5
by multiplying by correction
factor, K, given as a function
of applied working voltage,
0.3
Catalog
Numbers
FWP-5B
Clearing
at 700V
Watts
Loss
1.5
4
5.5
6
7
9
12
12
12
15.5
18
21
25
27
28
32
35
43
45
48
58
65
78
94
107
122
125
140
150
170
190
3)
0.2
Pre-arc
1.6
10
20
75
180
340
450
160
320
600
950
2000
2400
2700
3500
7300
Eg
FWP-10B
FWP-15B
FWP-20B
FWP-25B
FWP-30B
FWP-35B
FWP-40B
FWP-50B
FWP-60B
FWP-70B
FWP-80B
FWP-90B
FWP-100B
FWP-125A
FWP-150A
FWP-175A
FWP-200A
FWP-225A
FWP-250A
FWP-300A
FWP-350A
FWP-400A
FWP-450A
FWP-500A
FWP-600A
FWP-700A
FWP-800A
FWP-900A
FWP-1000A
FWP-1200A
10
15
20
25
30
35
40
50
60
70
80
90
100
125
150
175
200
225
250
300
350
400
450
500
600
700
800
900
1000
1200
3.6
10
26
44
58
34
76
135
210
305
360
415
E , (rms).
0.15
316
g
460
604
700
1) 35-100A Range
2) 125-600A Range
3) 700-1200A Range
Dimensions (in)
Amp
Range
5-30
35-60
70-100
125-200
225-400
450-600
700-800
900-1000
1200
Fig. A
B
C
D
E
F
G
H
I
1
1
1
1
1
1
1
2
3
2.870 0.563 1.855 2.4772.477 0.250 0.4050.063 0.250
4.375 0.813 2.750 3.7083.312 0.344 0.7250.125 0.542
4.406 0.947 2.594 3.6253.563 0.344 0.7500.125 0.375
5.090 1.500 2.840 4.1903.500 0.410 1.0000.250 0.750
5.090 2.000 2.840 4.2803.530 0.410 1.5000.250 0.780
7.090 2.500 2.840 5.7204.190 0.530 2.0000.380 1.300
6.630 2.000 2.844 5.5625.062 0.625 1.5000.250 0.875
See Drawing
540
1800
2900
4200
5500
7700
10500
17600
23700
31000
36400
45200
66700
54000
78000
91500
120000
195000
11700
16700
22000
31300
42500
71200
95600
125000
137000
170000
250000
300000
450000
530000
600000
1100000
See Drawing
1mm = 0.0394” / 1” = 25.4mm
Fig. 1: 5-800A
Fig. 2: 900-1000A
Fig. 3: 1200A
3.500
1.375
0.125
0.500
J
9.590 6.840
3.844
10.844
5.966
7.594
3.844
5.154
A
D E C
0.625
1.031
• Watts loss provided at rated current.
• See accessories on page 106.
1.625
1.750
0.625
2.750
0.5
0.750
Typical Applications
• DC common bus
• DC drives
• Power converters/rectifiers
• Reduced voltage starters
Features and Benefits
• Excellent dc performance
• Low arc voltage and low
energy let-through (I t)
• Superior cycling capability
4.250
F
3.500
G
H
2
B
For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp
101
COOPER [ COOPER BUSSMANN, INC. ]
