High Speed Fuses
Ferrule — FWP 690V/700V (IEC/UL): 1-50A,
Striker Optional
FWP (14 x 51mm)
Arc Voltage
Specifications
Description: Ferrule style high
speed fuses with and without
indicating striker.
Dimensions: See dimensions
illustrations.
Ratings:
Volts: — 690Vac (IEC)
— 700Vac (UL)
FWP with
— 800Vdc (5-50A)
striker option.
Amps: — 1-50A
IR: — 200kA RMS Sym.
— 50kA @800Vdc
Agency Information: CE, UL Recognition JFHR2.E91958,
CSA Component Acceptance file Class 1422-30, 1422-90
(53787) for versions without indicator only. Designed and
tested to IEC 60269: Part 4.
Electrical
Characteristics
Total Clearing I2t
1.4
1.2
1.0
0.9
0.8
0.7
0.6
The total clearing I2t at
rated voltage and at power
factor of 15% are given in
0.5
the electrical
1)
characteristics. For other 0.4
2)
voltages, the clearing I2t is
0.3
found by multiplying by
200
correction factor, K, given
as a function of applied working
voltage, Eg, (rms).
1.4
1.2
103
9
8
7
6
Power Losses
3
Catalog Numbers
300
400
500
1) 5-30A Range
2) 32-50A Range
600
Eg
700
Without Striker
50.8
(2.000")
14.3
(0.563")
15.5
(0.610")
With Striker
5 (0.197")
Size
51 (2.00")
13 (0.511")
•
•
•
•
4
200
1.0
Kp
0.8
300
400
500
600
Eg
700
0.6
0.5
0.4
0.3
0.2
Ib
0.1
30 40 50 60 70 80 90 100%
Electrical Characteristics
Rated
I2t (A2 Sec)
Current
Minimum
Clearing At
Watts
RMS-Amps
Melting
Rated Voltage Loss
14 x 51mm
(9⁄16" x 2")
14 x 51mm
(9⁄16” x 2”)
*Striker range is 600Vdc only
• Watts loss provided at rated current.
• See accessories on page 243.
59 (2.323")
14.3
(0.563")
Catalog
Numbers
Without Striker
FWP-1A14F
FWP-2A14F
FWP-2.5A14F
FWP-3A14F
FWP-4A14F
FWP-5A14F
FWP-10A14F
FWP-15A14F
FWP-20A14F
FWP-25A14F
FWP-30A14F
FWP-32A14F
FWP-40A14F
FWP-50A14F
With Striker*
FWP-10A14FI
FWP-15A14FI
FWP-20A14FI
FWP-25A14FI
FWP-30A14FI
FWP-32A14FI
FWP-40A14FI
FWP-50A14FI
UL
5
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.
K
Dimensions - mm (in)
234
This curve gives the peak
arc voltage, UL, which
may appear across the
fuse during its operation
as a function of theapplied
working voltage, Eg, (rms)
at a power factor of 15%.
1
2
2.5
3
4
5
10
15
20
25
30
32
40
50
10
15
20
25
30
32
40
50
—
—
—
—
—
1.6
3.6
8.6
26.0
46.5
58
68
84
200
3.6
8.6
26.0
46.5
58
68
84
200
—
—
—
—
—
11.0
38.5
70
230
375
485
600
750
1800
38.5
70
230
375
485
600
750
1800
Features and Benefits
Excellent cycling capability and DC performance
Low arc voltage and low energy let-through (I2t)
Low watts loss in a compact size
Used with finger-safe holders/blocks
Data Sheet: 720025
For product data sheets, visit www.cooperbussmann.com/DatasheetsEle
—
—
—
—
—
1.5
4
5.5
6
7
9
7.6
8
9
4
5.5
6
7
9
7.6
8
9
High Speed Fuses
Ferrule — FWP 690V/700V (IEC/UL): 1-50A,
Striker Optional
Without Striker
FWP 5-50A: 660V/700V (14 x 51mm)
Time-Current Curve
104
6
4
2
103
6
4
2
Virtual Pre-Arcing Time In Seconds
102
FWP-25A14F
FWP-30A14F
FWP-32A14F
FWP-40A14F
FWP-50A14F
6
4
2
101
6
4
2
100
10–1
6
4
FWP-5A14F
FWP-10A14F
FWP-15A14F
FWP-20A14F
2
6
4
2
10–2
6
4
2
10–3
6
4
2
10–4
2
4
6
8
2
101
4
6
8
2
102
4
6
8
103
High Speed
Fuses
Prospective Current In Amps RMS
Peak Let-Through Curve
104
FWP-50A14F
FWP-40A14F
FWP-32A14F
FWP-30A14F
FWP-25A14F
6
4
2
Peak Let-Through Current
103
6
4
2
FWP-20A14F
FWP-15A14F
FWP-10A14F
FWP-5A14F
102
6
4
2
101
101
2
4
6
102
2
4
6
103
2
4
6
104
Prospective Short-Circuit Current Symmetrical RMS
2
4
6
105
2
Data Sheet: 35785307
For product data sheets, visit www.cooperbussmann.com/DatasheetsEle
235
High Speed Fuses
Ferrule — FWP 690V/700V (IEC/UL):
20-100A, Striker Optional
FWP (22 x 58mm)
This curve gives the peak
arc voltage, UL, which
may appear across the
fuse during its operation
as a function of theapplied
working voltage, Eg, (rms)
at a power factor of 15%.
Specifications
Description: Ferrule style high
speed fuses with and without
indicating striker.
Dimensions: See dimensions
illustration.
Ratings:
Volts: — 690Vac (IEC)
— 700Vac (UL)
FWP with
— 500Vac
striker
option.
— 500Vdc (20-100A)
Amps: — 20-100A
IR: — 200kA RMS Sym.
— 50kA @ 500Vdc
Agency Information: CE, UL Recognition JFHR2.E91958,
CSA Component Acceptance file Class 1422-30, 1422-90
(53787)
Electrical
Characteristics
Total Clearing I2t
The total clearing I t 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, Eg, (rms).
2
1.4
1.2
1.0
0.9
0.8
0.7
0.6
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, Kp, is
given as a function of the
RMS load current, Ib, in %
of the rated current.
K
0.5
0.4
0.3
200
300
58.0
(2.283")
400
500
22.2
(0.875")
600
Eg
700
Catalog
Numbers
Without Striker
FWP-20A22F
FWP-25A22F
FWP-32A22F
FWP-40A22F
FWP-50A22F
FWP-63A22F
FWP-80A22F
FWP-100A22F
With Striker
FWP-20A22FI
FWP-25A22FI
FWP-32A22FI
FWP-40A22FI
FWP-50A22FI
FWP-63A22FI
FWP-80A22FI
FWP-100A22FI
Size
22 x 58mm
(7⁄8" x 29⁄32")
22 x 58mm
(7⁄8" x 29⁄32")
*IEC/UL Voltage rating 690/700
15.0
(0.591")
With Striker
66 (2.598")
58 (2.283")
5
(0.197")
22.2 (0.874")
UL
5
4
3
200
1.0
Kp
0.8
400
500
600
700
0.6
0.5
0.4
0.3
0.2
0.1
30 40 50
16 (0.630"
•
•
•
•
•
•
•
•
Rated
Current
RMS-Amps
20
25
32
40
50
63
80
100*
20
25
32
40
50
63
80
100*
60
70
Ib
80 90 100%
Electrical Characteristics
I2t (A2 Sec)
Minimum
Clearing At
Melting
Rated Voltage
Watts
Loss
19.0
34.0
53.5
68
135
280
600
1100
5
6
8
9
9.5
11
13.5
16
19.0
34.0
53.5
68
135
280
600
1100
260
410
605
750
1600
3080
6600
12500
260
410
605
750
1600
3080
6600
12500
Features and Benefits
Excellent cycling capability and DC performance
Low arc voltage and low energy let-through (I2t)
Low watts loss in a compact size
Used with finger-safe holders/blocks
Typical Applications
DC Common bus
DC Drives
Power converters/rectifiers
Reduced voltage starters
Data Sheet: 720026
236
300
Eg
Catalog Numbers
Dimensions - mm (in)
Without Striker
1.4
1.2
103
9
8
7
6
Arc Voltage
For product data sheets, visit www.cooperbussmann.com/DatasheetsEle
5
6
8
9
9.5
11
13.5
16
High Speed Fuses
Ferrule — FWP 690V/700V (IEC/UL): 20-100A,
Striker Optional
Without Striker
FWP 20-100A: 660V/700V (22 x 58mm)
Time-Current Curve
104
6
4
2
103
6
4
2
102
FWP-50A22F
FWP-63A22F
FWP-80A22F
FWP-100A22F
6
4
2
Virtual Pre-Arcing Time In Seconds
101
6
4
2
10
0
6
4
FWP-20A22F
FWP-25A22F
FWP-32A22F
FWP-40A22F
2
10–1
6
4
2
10–2
6
4
2
10–3
6
4
2
2
101
4
6
8
2
102
4
6
8
High Speed
Fuses
10–4
103
Prospective Current In Amps RMS
Peak Let-Through Curve
104
FWP-100A22F
FWP-80A22F
6
FWP-63A22F
Peak Let-Through Current
4
FWP-50A22F
2
103
6
FWP-40A22F
FWP-32A22F
4
FWP-25A22F
FWP-20A22F
2
102
102
2
4
6
103
2
4
6
104
2
Prospective Short-Circuit Current Symmetrical RMS
4
6
105
2
Data Sheet: 35785291
For product data sheets, visit www.cooperbussmann.com/DatasheetsEle
237