High Speed Fuses
Ferrule — FWC 600V: 6-32A
FWC (10 x 38mm)
Specifications
Description:
Ferrule style high
speed fuses.
Dimensions:
See dimensions
illustration.
Ratings:
Volts: — 600Vac/dc
Amps: — 6-32A
IR: — 200kA RMS Sym.
— 50kA @ 700Vdc (6-25A)
Agency Information:
CE, UL Recognition: 6-32A.
UL Recognition: 6-25A
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 voltages, the clearing
I
2
t is found by multiplying by
correction factor, K, given as
a function of applied working
voltage, Eg, (rms).
1.5
K
1.0
Arc Voltage
This curve gives the peak
arc voltage, 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%.
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.
Catalog Numbers
E
g
250
400
500
600
Catalog
Numbers
Size
FWC-6A10F
FWC-8A10F
FWC-10A10F
FWC-12A10F 10 x 38mm
FWC-16A10F (
13
⁄
32
” x 1
1
⁄
2
”)
FWC-20A10F
FWC-25A10F
FWC-30A10F
FWC-32A10F
2.0
1.6
1.2
10
3
U
L
800
600
500
400
300
200
1.0
K
p
0.8
0.6
0.5
0.4
0.3
0.2
High Speed
Fuses
E
g
300
400
500
600
0.1
30 40 50
60
70
I
b
80 90 100%
0.5
0.3
0.2
0.15
100
Dimensions - mm (inches)
38.1
(1.500")
10.3
(0.406")
Electrical Characteristics
Rated
I
2
t (A
2
Sec)
Current
Clearing
RMS-Amps
Pre-arc
at 600V
6
4
30
8
6
50
10
9
70
12
15
120
16
25
150
20
34
260
25
60
390
30
95
600
32
95
600
Watts
Loss
1.5
2.0
2.5
3.0
3.5
4.8
6.0
7.5
7.5
• Watts loss provided at rated current.
• See accessories on page 216.
9.5
(0.375")
Features and Benefits
• Excellent cycling capability and DC performance
• Low arc voltage and low energy let-through (I
2
t)
• 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: 720011
For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa
205
High Speed Fuses
Ferrule — FWC 600V: 6-32A
FWC 6-32A: 600V (10 x 38mm)
Time-Current Curve
10
4
6
4
2
10
3
6
4
2
10
2
6
4
Virtual Pre-Arcing Time In Seconds
2
10
1
FWC-6A10F
FWC-8A10F
FWC-10A10F
FWC-12A10F
FWC-16A10F
FWC-20A10F
FWC-25A10F
FWC-30A10F & FWC-32A10F
6
4
2
10
0
6
4
2
10
–1
6
4
2
10
–2
6
4
2
10
–3
6
4
2
10
–4
10
1
2
4
6
8 10
2
2
4
6
8 10
3
Prospective Current In Amps RMS
Peak Let-Through Curve
10
4
6
4
FWC-30A10F & FWC-32A10F
FWC-25A10F
FWC-20A10F
FWC-16A10F
2
10
3
6
4
Peak Let-Through Current
2
2
10
FWC-12A10F
FWC-10A10F
FWC-8A10F
FWC-6A10F
6
4
2
10
1
10
1
2
4
6
10
2
2
4
6
10
3
2
4
6
10
4
4
6
10
5
2
Prospective Short-Circuit Current Symmetrical RMS
Data Sheet: 35785306
206
For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa
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