Bussmann
廬
FWA 130V
Type
1000-4000A
Carton
Weight
(lbs)
Figure
Number
廬
Electrical Characteristics
Ordering Information
I
2
t (A
2
Sec)
Rated
Current
Clearing
Watts
Part
Carton
RMS-Amps
Pre-arc
at 130V
Loss
Number
Qty.
1000
170000
460000
60
FWA-1000AH
______________________________________________________________________________________
1200
270000
730000
70
FWA-1200AH
______________________________________________________________________________________
1500
520000
1400000
78
FWA-1500AH
______________________________________________________________________________________
1
Dimensions
Curves
See Page
or
(BIF #)
FWA
2000
860000
2400000
108
FWA-2000AH
130V ______________________________________________________________________________________
2500
1500000
4100000
130
FWA-2500AH
______________________________________________________________________________________
3000
2100000
5700000
150
FWA-3000AH
______________________________________________________________________________________
4000
3400000
9200000
257
FWA-4000AH
Interrupting rating 200kA RMS Symmetrical.
Watts loss provided at rated current.
130 Vdc U.L. Recognition on 1000 through 2000 amperes only.
See accessories on page 20.
3.3
Fig. 1
page 21
(35785301)
____________
__
Fig. 2
1 kg = 2.2 lbs
1 lb = 0.45 kg
Electrical Characteristics
Total Clearing I
2
t
The total clearing I
2
t at rated voltage and
at power factor of 15% are given in the
electrical characteristics. For other volt-
ages, the clearing I
2
t is found by multi-
plying by correction factor, K, given as
a function of applied working voltage,
E g , (RMS).
1.5
K
1.0
300
0.5
0.3
0.2
0.15
26
E
g
65
104
130
50
100
U
L
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%.
Power Losses
Watts loss at rated current is given in
the electrical characteristics. The curve
allows the calculation of the power loss-
es at load currents lower than the rated
current. The correction factor, K p , is
given as a function of the RMS load cur-
rent, Ib , in % of the rated current .
1.0
K
p
0.8
0.6
0.5
0.4
0.3
0.2
200
100
E
g
150
0.1
30 40 50
60
70
I
b
80 90 100%
12-28-98
SB98107
Rev. A
Form No. FWA 130
Page 1 of 2
BIF Doc #720001
1
2
