EATON BUSSMANN FWJ-25A14F

High Speed Fuses High Speed Fuses Ferrule — FWJ 1000V: 20-30A 2000 Arc Voltage FWJ (14 x 67mm) U L This curve gives the peak 1600 Specifications arc voltage, U , which L Description: Ferrule style high may appear across the speed fuses. 1200 fuse during its operation Dimensions: See dimensions as a function of the 800 illustration. applied working voltage, Ratings: E , (rms) at a power factor g 400 Volts: — 1000Vac/800Vdc of 15%. E g Amps: — 20-30A Power Losses 200 600 1000 1400 1800 IR: — 25kA RMS Sym. Watts loss at rated current 1.0 — 20kA @ 800Vdc Kp is given in the electrical 0.8 Agency Information: CE, UL Recognized characteristics. The curve 0.6 0.5 allows the calculation of Electrical Characteristics 0.4 the power losses at load 1.5 2 Total Clearing I t currents lower than the 0.3 K rated current. The 2 1.0 The total clearing I t at 0.2 correction factor, Kp, is rated voltage and at power given as a function of the factor of 15% are given in RMS load current, I , in % I 0.5 b b the electrical 0.1 of the rated current. 30 40 50 60 70 80 90 100% characteristics. For other 2 0.3 voltages, the clearing I t is Catalog Numbers 0.2 found by multiplying by Electrical Characteristics 2 2 correction factor, K, given I t (A Sec) Eg Rated 0.15 Catalog Current Clearing Watts as a function of applied 200 500 800 1000 Numbers Size RMS-Amps Pre-arc at 1000V Loss working voltage, E , (rms). FWJ-20A14F 14 x 67mm 20 25 220 9 g 9 5 FWJ-25A14F ( ⁄16” x 2 ⁄8”) 25 33 350 11 FWJ-30A14F 30 52 450 14 • Watts loss provided at rated current. • See accessories on page 216. Dimensions - mm (inches) Features and Benefits • Excellent cycling capability and DC performance 66.7 14.5 2 (2.626") (0.571") • Low arc voltage and low energy let-through (I t) • Low watts loss in a compact size • Used with finger-safe holders/blocks Typical Applications • DC common bus • DC drives 15.9 • Power converters/rectifiers (0.625") • Reduced voltage starters Fuseclips: • Catalog Number: 5591 (see data sheet 2132) Data Sheet: 720028 For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa 213 High Speed Fuses Ferrule — FWJ 1000V: 20-30A FWJ 20-30A: 1000V (14 x 67mm) Time-Current Curve 4 10 6 4 2 3 10 6 4 2 2 10 6 4 2 1 10 6 4 FWJ-20A14F 2 FWJ-25A14F FWJ-30A14F 0 10 6 4 2 –1 10 6 4 2 –2 10 6 4 2 –3 10 6 4 2 –4 10 1 22468 2 24 2 68 3 10 10 10 Prospective Current In Amps RMS Peak Let-Through Curve 4 10 6 4 FWJ-30A14F 2 FWJ-25A14F FWJ-20A14F 3 10 6 4 2 2 10 6 4 2 1 10 246 2 46 246 2 46 2 1 2 3 4 5 10 10 10 10 10 Prospective Short-Circuit Current Symmetrical RMS Data Sheet: 35785315 For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa 214 Virtual Pre-Arcing Time In Seconds Peak Let-Through Current