High Speed Fuses
Ferrule — FWS/FWL 1000Vdc: 2-30A
FWS 2-15A (20 x 127mm)
FWL 20-30A (20 x 127mm)
Specifications
Description:
Ferrule style full range
fuses.
Dimensions:
See dimensions
illustrations.
Ratings:
Volts: — 1200Vac (FWL 20-30A)
— 1400Vac (FWS 8-15A)
— 2100Vac (FWS 2-6A)
— 1000Vdc (FWL/FWS 2-30)
Amps: — 2-30A
IR: — 45kA RMS Sym.
— 30kA @ 1000Vdc
Agency Information:
CE, IEC 60077
Catalog Numbers
Catalog
Numbers
FWS-2A20F
FWS-6A20F
FWS-8A20F
FWS-10A20F
FWS-12A20F
FWS-15A20F
FWL-20A20F
FWL-25A20F
FWL-30A20F
Electrical Characteristics
Rated
I
2
t (A
2
Sec)
Current
Clearing
RMS-Amps
Pre-arc
at 1000Vdc
2
0.8
2.4
6
27
81
8
64
192
10
118
277
12
170
380
15
209
500
20
675
1550
25
1200
2760
30
1850
4300
Watts
Loss
4.4
6.7
7.6
3.0
3.4
5.0
5.9
6.5
7.5
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
• Traction aux circuits
• Capacitor protection
High Speed
Fuses
FWL/FWS 2-30A: 1000Vdc 2-30A
(20 x 127mm)
Time-Current Curve
Size
20 x 127mm
(
13
⁄
16
” x 5”)
20 x 127mm
(
13
⁄
16
” x 5”)
• ADD “I” to catalog number for indicating version.
• Enclosed finger-safe fuse holder – CH127
• Open style fuse block – 4530-OP
• See accessories on page 216.
• Watts loss provided at rated current.
Dimensions - mm (inches)
127.0
(5.000")
20.5
(0.807")
16.0
(0.630")
Indicating Version – Dimensions - mm (inches)
8.0
(0.315")
127.0
(5.000")
20.5
(0.807")
2.0
16.0
(0.630")
Data Sheet: 720040
2.0
(0.079")
For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa
215
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