FWL/FWS 2-30A: 1000Vdc 2-30A
(20 x 127mm)
Time-Current Curve
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
Electrical Characteristics
Rated I
2
t (A
2
Sec)
Catalog Current Clearing Watts
Numbers Size RMS-Amps Pre-arc at 1000Vdc Loss
FWS-2A20F 2 0.8 2.4 4.4
FWS-6A20F 6 27 81 6.7
FWS-8A20F 20 x 127mm 8 64 192 7.6
FWS-10A20F (
13
⁄16” x 5”) 10 118 277 3.0
FWS-12A20F 12 170 380 3.4
FWS-15A20F 15 209 500 5.0
FWL-20A20F
20 x 127mm
20 675 1550 5.9
FWL-25A20F
(
13
⁄16” x 5”)
25 1200 2760 6.5
FWL-30A20F 30 1850 4300 7.5
• 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.
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
Data Sheet: 720040
For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa
215
High Speed
Fuses
High Speed Fuses
