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 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 * Traction aux circuits * Capacitor protection High Speed Fuses FWL/FWS 2-30A: 1000Vdc 2-30A (20 x 127mm) Time-Current Curve Catalog Numbers Catalog Numbers FWS-2A20F FWS-6A20F FWS-8A20F FWS-10A20F FWS-12A20F FWS-15A20F FWL-20A20F FWL-25A20F FWL-30A20F Size 20 x 127mm (1316" x 5") 20 x 127mm (1316" x 5") Electrical Characteristics Rated I2t (A2 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 * 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