FWP-80A22F [ETC]
Fuse ; 保险丝\n
ETC 
®
Bu s s m a n n
Fe rrule
FWP 660V/700V (IEC/U.L.) 20-100A
®
Electrical Characteristics
Ordering Information
Dimensions
Curves
I2t (A2S)
Rated
Current
RMS-Amps
Carton
Weight
(kg)
See Page
or
(BIF #)
Clearing
at 660V
Watts
Loss
Part
Number
Carton
Qty.
Figure
Number
Size
Pre-arc
23
20
25
32
40
50
63
80
100
260
410
605
4.6
5.6
7.0
8.5
9.5
11
FWP-20A22F
FWP-25A22F
FWP-32A22F
FWP-40A22F
FWP-50A22F
FWP-63A22F
FWP-80A22F
FWP-100A22F
37
55
68
155
280
600
1100
22 ≈ 58mm
(‡Ω•∑)
750
page 95
(35785291)
10
0.450
Fig. 1
1600
3080
6600
12500
13.5
16
Ⅲ Interrupting rating 200kA RMS Symmetrical.
Ⅲ Watts loss provided at rated current.
Ⅲ Consult Bussmann for DC ratings.
Ⅲ See accessories on page 90.
1 kg = 2.2 lbs. 1 lb = 0.45 kg
Dimensions
Fig. 1: 20-100 Amp Range
58.0
(2.283")
22.2
(0.875")
15.0
(0.591")
Dimension in mm.
1mm = 0.0394∑
1∑ = 25.4mm
Electrical Characteristics
Total Clearing I2t
Arc Voltage
Power Losses
The total clearing I2t at rated voltage and This curve gives the peak arc voltage,
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, Kp,
is given as a function of the RMS load
current, Ib, in % of the rated current .
at power factor of 15% are given in the
electrical characteristics. For other volt-
ages, the clearing I2t is found by multi-
plying by correction factor, K, given as
a function of applied working voltage,
Eg, (RMS).
UL, which may appear across the fuse
during its operation as a function of the
applied working voltage, Eg, (RMS) at a
power factor of 15%.
1.4
1.4
1.0
Kp
1.2
UL
0.8
1.2
K
103
9
8
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
7
6
0.6
5
0.5
0.2
4
0.4
0.3
Eg
Eg
Ib
0.1
3
200 300
400
500 600
700
30 40 50 60
80 90 100%
200 300
400
500 600 700
70
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
Page 1 of 1
BIF Doc #720026
12-28-98
SB98107
Rev. A
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