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Bussmann®
North American
FWP 700V
Type
5-1200A
®
Electrical Characteristics
Ordering Information
I2t (A2 Sec)
Rated
Current
Clearing
Watts
Part
Carton
RMS-Amps
Pre-arc
at 700V
Loss
Number
Qty.
5
1.6
10
1.5
FWP-5B
__________________________________________________________________________
10
3.6
20
4
FWP-10B
__________________________________________________________________________
15
10
75
5.5
FWP-15B
__________________________________________________________________________
20
26
180
6
FWP-20B
__________________________________________________________________________
25
44
340
7
FWP-25B
__________________________________________________________________________
10
Dimensions
Carton
Weight
(lbs)
Figure
Number
Curves
See Page
or
(BIF #)
page 24
2.25
(35785316)
30
58
450
9
FWP-30B
______________________________________________________________________________________
____________
35
34
160
12
FWP-35B
__________________________________________________________________________
40
76
320
12
FWP-40B
__________________________________________________________________________
50
135
600
12
FWP-50B
__________________________________________________________________________
5
1.21
60
210
950
15.5
FWP-60B
_________________________________________________________________________________________________
page 24
70
305
2000
18
FWP-70B
__________________________________________________________________________
(35785308)
80
360
2400
21
FWP-80B
__________________________________________________________________________
0.24
90
415
2700
25
FWP-90B
__________________________________________________________________________
100
540
3500
27
FWP-100B
__________________________________________________________________________
____________
125
1800
7300
28
FWP-125A
__________________________________________________________________________
FWP
150
2900
11700
32
FWP-150A
__________________________________________________________________________
Fig. 1
0.65
700V __________________________________________________________________________
175
4200
16700
35
FWP-175A
200
5500
22000
43
FWP-200A
__________________________________________________________________________
page 25
____________
225
7700
31300
45
FWP-225A
__________________________________________________________________________
(361)
250
10500
42500
48
FWP-250A
__________________________________________________________________________
300
17600
71200
58
FWP-300A
__________________________________________________________________________
1
1.17
350
23700
95600
65
FWP-350A
__________________________________________________________________________
400
31000
125000
78
FWP-400A
__________________________________________________________________________
____________
450
36400
137000
94
FWP-450A
__________________________________________________________________________
500
45200
170000
107
FWP-500A
__________________________________________________________________________
2.39
600
66700
250000
122
FWP-600A
__________________________________________________________________________
____________
700
54000
300000
125
FWP-700A
__________________________________________________________________________
800
78000
450000
140
FWP-800A
__________________________________________________________________________
1.21
_______________________
900
91500
530000
150
FWP-900A
__________________________________________________________________________
1000
120000
600000
170
FWP-1000A
__________________________________________________________________________
1200
195000
1100000
190
FWP-1200A
Interrupting rating 200kA RMS Symmetrical.
Watts loss provided at rated current.
( 700 Vdc/Interrupting rating 50kA) U.L. Recognition on 5 through 800 amperes only.
CSA Component Acceptance: 35 - 100A & 700 - 1200A.
See accessories on page 20.
6.60
Fig. 2
___________
Fig. 3
1 kg = 2.2 lbs
R
BIF document: 720012
16
page 24
(35785308)
For complete specification data, visit our Web site at www.bussmann.com
or call Bussmann Information Fax ~ 636.527.1450
1 lb = 0.45 kg
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Bussmann®
North American
5-1200A
FWP 700V
®
Electrical Characteristics
Total Clearing I2t
The total clearing I2t at rated voltage and
at power factor of 15% are given in the
electrical characteristics. For other voltages, the clearing I2t is found by multiplying by correction factor, K, given as
a function of applied working voltage,
E g , (RMS).
Arc Voltage
This curve gives the peak arc voltage,
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%.
2
1.5
1.0
Kp
0.8
UL
K
1.6
1.4
1.2
103
1.0
2)
0.5
0.6
0.5
1)
0.4
2)
8
0.3
0.2
0.3
6
5
1)
3)
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, Ib , in % of the rated current .
0.2
4
0.15
316
Eg
460
604
Eg
3
300
700
1) 35-100 Amp Range
2) 125-600 Amp Range
3) 700-1200 Amp Range
400
500
600
Ib
0.1
30 40 50
700
60
70
80 90 100%
1) 125-600 Amp Range
2) 35-100 & 700-1200 Amp Range
Dimensions
Fig. 1: 5-800 Amp Range
Fig. 2: 900-1000 Amp Range
Fig. 3: 1200 Amp Range
3.500
1.375
J
0.125
0.500
5.966
7.594
A D E C
9.590 6.840
3.844
3.844
10.844
5.154
1.031
0.625
1.625
1.750
0.625
2.750
0.750
0.500
4.250
F
3.500
G
H
B
Order #
Fig.
FWP-5B-30B
1
A
B
C
D
E
F
G
H
J
2.870
0.563
1.855
2.477
2.477
0.250
0.405
0.063
0.250
FWP-35B-60B
1
4.375
0.813
2.750
3.708
3.312
0.344
0.725
0.125
0.542
FWP-70B-100B
1
4.406
0.947
2.594
3.625
3.563
0.344
0.750
0.125
0.375
FWP-125A-200A
1
5.090
1.500
2.840
4.190
3.500
0.410
1.000
0.250
0.750
FWP-225A-400A
1
5.090
2.000
2.840
4.280
3.530
0.410
1.500
0.250
0.780
FWP-450A-600A
1
7.090
2.500
2.840
5.720
4.190
0.530
2.000
0.380
1.300
FWP-700A-800A
1
6.630
2.000
2.844
5.562
5.062
0.625
1.500
0.250
0.875
FWP-900A-1000A
2
See Drawing
FWP-1200A
3
See Drawing
Dimension in inches.
1mm = 0.0394∑
1∑ = 25.4mm
BIF document: 720012
For complete specification data, visit our Web site at www.bussmann.com
or call Bussmann Information Fax ~ 636.527.1450
17
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Bussmann®
North American
Curves
FWP 700V (5-30)B
FWP 700V (35-100)B & (700-1200)A
Time-Current Curve
Time-Current Curve
104
104
6
4
6
4
2
2
103
103
6
4
6
4
2
2
6
4
6
4
2
Virtual Pre-Arcing Time In Seconds
Virtual Pre-Arcing Time In Seconds
2
101
6
4
2
100
6
4
FWP-5B
FWP-10B
FWP-15B
FWP-20B
FWP-25B
FWP-30B
2
10–1
6
4
101
6
4
FWP-35B
FWP-40B
FWP-50B
FWP-60B
FWP-70B
FWP-80B
FWP-90B
FWP-100B
2
100
6
4
2
10–1
6
4
2
10–2
2
6
4
10–2
6
4
2
10–3
2
6
4
10–3
6
4
2
10–4
2
10–4
FWP-700A
FWP-800A
FWP-900A
FWP-1000A
FWP-1200A
102
102
2
4
6
8
101
2
4
6
8
2
102
4
6
8
2
4
6
8
2
4
6 8
2
103
Prospective Current In Amperes RMS
102
103
4
6
8
104
Prospective Current In Amperes RMS
Peak Let-Through Curve
Peak Let-Through Curve
104
106
FWP-1200A
6
FWP-1000A
6
4
FWP-800A
4
FWP-700A
2
FWP-30B
FWP-25B
2
6
104
4
Peak Let-Through Current
Peak Let-Through Current
103
2
FWP-20B
FWP-15B
FWP-10B
FWP- 5B
102
6
6
4
2
4
103
2
6
FWP-100B
101
101
2
4
6
102
2
4
6
103
2
4
6
104
2
4
6
105
4
2
FWP-70B
FWP-60B
Prospective Short-Circuit Current
FWP-50B
2
FWP-40B
FWP-35B
102
2
102
4
6
2
103
4
6
2
4
104
Prospective Short-Circuit Current
BIF document: 35785316
24
BIF document: 35785308
For complete specification data, visit our Web site at www.bussmann.com
or call Bussmann Information Fax ~ 636.527.1450
2
6
105
Contents
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Bussmann®
North American
Curves
FWP 700V (125-600)A
FWJ 1000V (35-600)A
Time-Current Curve
Time-Current Curve
103
104
6
4
2
103
102
6
4
2
FWP-150A
FWP-200A
FWP-300A
FWP-400A
FWP-600A
FWJ-200A
FWJ-250A
FWJ-300A
FWJ-350A
FWJ-400A
FWJ-500A
FWJ-600A
6
4
2
Virtual Pre-Arcing Time In Seconds
Virtual Pre-Arcing Time In Seconds
101
102
100
10–1
101
6
4
2
100
6
4
2
10–1
6
4
–2
10
2
10–2
6
4
10–3
2
10–3
FWJ-40A
FWJ-50A
FWJ-60A
FWJ-70A
FWJ-80A
FWJ-90A
FWJ-100A
FWJ-125A
FWJ-150A
FWJ-175A
6
4
10–4
102
2
103
104
105
10–4
2
102
Prospective Current In Amperes RMS
4
6
8
2
103
4
6
8
104
Prospective Current In Amperes RMS
Peak Let-Through Curve
Peak Let-Through Curve
2
105
FWJ-2000A
FWJ-1800A
FWJ-1600A
FWJ-1400A
FWJ-1250A
FWJ-1000A
FWJ-600A
FWJ-800A
FWJ-400A
FWJ-500A
FWJ-350A
FWJ-300A
FWJ-250A
FWJ-200A
FWJ-175A
FWJ-150A
FWJ-125A
FWJ-100A
FWJ-90A
FWJ-80A
FWJ-70A
FWJ-60A
FWJ-50A
FWJ-40A
B
105
6
4
Peak Let-Through Current
FWP-600A
FWP-400A
FWP-300A
FWP-200A
FWP-150A
Peak Let-Through Current
2
104
104
6
4
2
103
103
6
4
A
2
102
102
2
4
6
103
2
4
6
104
2
4
6
105
2
4
6
Prospective Short-Circuit Current Symmetrical RMS
2
10
102
103
104
105
Prospective Short-Circuit Current Symmetrical RMS
BIF document: 361
For complete specification data, visit our Web site at www.bussmann.com
or call Bussmann Information Fax ~ 636.527.1450
BIF document: 35785303
25