Bussmann
R
FWP 700V 5-1200A
Electrical Characteristics Ordering Information Dimensions Curves
2 2
I t (A Sec)
Rated Carton
Current Clearing Watts Part Carton Weight Figure
Type RMS-Amps Pre-arc at 700V Loss Number Qty. (lbs) Number BIF #
5 1.6 10 1.5 FWP-5B
__________________________________________________________________________
10 3.6 20 4 FWP-10B
__________________________________________________________________________
15 10 75 5.5 FWP-15B
__________________________________________________________________________
10 2.25 35785316
20 26 180 6 FWP-20B
__________________________________________________________________________
25 44 340 7 FWP-25B
__________________________________________________________________________
30 58 450 9 FWP-30B
__________________________________________________________________________________________________
35 34 160 12 FWP-35B
__________________________________________________________________________
40 76 320 12 FWP-40B
__________________________________________________________________________
5 1.21
50 135 600 12 FWP-50B
__________________________________________________________________________
60 210 950 15.5 FWP-60B 35785308
_________________________________________________________________________________________________
70 305 2000 18 FWP-70B
__________________________________________________________________________
80 360 2400 21 FWP-80B
__________________________________________________________________________
0.24
90 415 2700 25 FWP-90B
__________________________________________________________________________
100 540 3500 27 FWP-100B
__________________________________________________________________________ ____________
Fig. 1
125 1800 7300 28 FWP-125A
__________________________________________________________________________
FWP 150 2900 11700 32 FWP-150A
__________________________________________________________________________
0.65
700V 175 4200 16700 35 FWP-175A
__________________________________________________________________________
200 5500 22000 43 FWP-200A
__________________________________________________________________________ ____________
225 7700 31300 45 FWP-225A 361
__________________________________________________________________________
250 10500 42500 48 FWP-250A
__________________________________________________________________________
1.17
300 17600 71200 58 FWP-300A 1
__________________________________________________________________________
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
__________________________________________________________________________
1.21
800 78000 450000 140 FWP-800A
__________________________________________________________________________ _______________________
900 91500 530000 150 FWP-900A 35785308
__________________________________________________________________________
Fig. 2
1000 120000 600000 170 FWP-1000A 6.60
__________________________________________________________________________ ___________
1200 195000 1100000 190 FWP-1200A Fig. 3
n Interrupting rating 200kA RMS Symmetrical. 1 kg = 2.2 lbs 1 lb = 0.45 kg
n Watts loss provided at rated current.
n (700 Vdc/Interrupting rating 50kA) U.L. Recognition & CSA Component Acceptance on 5 through 100 & 700 through 800 amperes.
n (700 Vdc/Interrupting rating 10kA) U.L. Recognition & CSA Component Acceptance on 125 through 600 amperes.
Form No. FWP 700
Page 1 of 2
A02008 Data Sheet: 720012
3-6-02
Bussmann
R
FWP 700V 5-1200A
Electrical Characteristics
2
Total Clearing I t Arc Voltage Power Losses
2
The total clearing I t at rated voltage and This curve gives the peak arc voltage, Watts loss at rated current is given in
at power factor of 15% are given in the U , which may appear across the fuse the electrical characteristics. The curve
L
electrical characteristics. For other volt- during its operation as a function of the allows the calculation of the power
2
ages, the clearing I t is found by multi- applied working voltage, E , (RMS) at a losses at load currents lower than the
g
plying by correction factor, K, given as power factor of 15%. rated current. The correction factor, K ,
p
a function of applied working voltage, is given as a function of the RMS load
E , (RMS). current, I , in % of the rated current .
g b
2
1.0
1.5
Kp
U
K L
0.8
1.6
1.0
0.6
1.4
1.2 0.5
1)
3
10
2)
0.4
2)
0.5
8
0.3
6
1)
0.2
0.3
5
3)
0.2
4
E
g I
b
Eg
0.1
3
0.15
300 400 500 600 700 30 40 50 60 70 80 90 100%
316 460 604 700
1) 35-100 Amp Range 1) 125-600 Amp Range
2) 125-600 Amp Range 2) 35-100 & 700-1200 Amp Range
3) 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
9.590 6.840 3.844
5.966
3.844
10.844
7.594
5.154
AEDC
1.031 0.625
1.625
0.625
1.750
2.750
0.750
0.500
4.250
F
3.500
G
H
B
Order # Fig. A B C D E F G H J
FWP-5B-30B 1 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
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. FWP 700
3-6-02 A02008
Page 2 of 2
Data Sheet: 720012