Bussmann Micro fuse 14 mm x 51 mm 15 A 690 Vac Very quick acting -FF- FWP-15A14FA Content 1 pc(s) FWP-15A14FA Scheda Tecnica

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FWP-15A14FA
Pagina di 5
Form No. 
Page 1 of 1
BIF Doc #720025
Bussmann
®
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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.
Ferrule
FWP 660V/700V (IEC/U.L.)
1-50A
®
Dimensions
K
1.4
1.2
1.0
0.6
0.8
0.7
0.9
0.5
0.4
0.3
200
300
400
500
600
700
E
g
1)
2)
U
L
1.4
1.2
10
3
6
8
7
9
5
4
3
200
300
400
500
600
700
E
g
K
p
1.0
0.8
0.4
0.5
0.6
0.3
0.2
0.1
30 40 50
60
70
80 90 100%
I
b
50.8
(2.000")
15.5
(0.610")
14.3
(0.563")
Electrical Characteristics
Ordering Information
Dimensions
Curves
Rated
I
2
t (A
2
S)
Carton
Current
Clearing  
Watts
Part
Carton
Weight
Figure
Size
RMS-Amps
Pre-arc
at 660V
Loss
Number
Qty.
(kg)
Number
BIF #
1
FWP-1A14F
2
FWP-2A14F
3
FWP-3A14F
4
FWP-4A14F
5
1.6
11
1.5
FWP-5A14F
6
FWP-6A14F
14 ≈ 51mm
10
3.6
22
4
FWP-10A14F
10
0.225
Fig. 1
35785307
(·Ω¡§∑)
15
10
75
5.5
FWP-15A14F
20
26
180
6
FWP-20A14F
25
44
320
7
FWP-25A14F
30
58
450
9
FWP-30A14F
32
68
600
7.6
FWP-32A14F
40
84
750
8
FWP-40A14F
50
200
1800
9
FWP-50A14F
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: 5 - 30A.
Fig. 1: 1-50 Amp Range
1) 5-30 Amp Range
2) 32-50 Amp Range
Dimension in mm.
1mm = 0.0394∑     1∑ = 25.4mm
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).
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
losses at load currents lower than the
rated current . The correction factor, K
p
,
is given as a function of the RMS load
current, I
b
, in % of the rated current .
Electrical Characteristics
7-18-01
SB01191
R