High Speed Fuses Ferrule FWH 500V: 1-30A 2.0 Arc Voltage FWH (14 x 51mm) U L 1.6 This curve gives the peak Specifications arc voltage, U , which may 1.2 L Description: Ferrule style high 3 appear across the fuse 10 speed fuses. during its operation as a 800 Dimensions: See Dimensions function of the applied 600 illustration. working voltage, E , (rms) g 500 Ratings: at a power factor of 15%. 400 Volts: 500Vac E g Power Losses 300 Amps: 1-30A 100 200 300 400 500 Watts loss at rated current IR: 200kA RMS Sym. 1.0 Kp is given in the electrical 0.8 50kA 500Vdc characteristics. The curve 0.6 Agency Information: CE, UL Recognition 1- 30A & CSA 0.5 allows the calculation of the Component Acceptance: 5 - 30A. 0.4 power losses at load currents lower than the 0.3 Electrical Characteristics rated current. The correction 0.2 factor, K , is given as a 2 p Total Clearing I t function of the RMS load 2 The total clearing I t at rated I 1.5 b current, I , in % of the rated 0.1 b K voltage and at power factor 30 40 50 60 70 80 90 100% current. 1.0 of 15% are given in the Catalog Numbers electrical characteristics. For Electrical Characteristics other voltages, the clearing 2 2 Rated I t (A Sec) 0.5 2 I t is found by multiplying by Catalog Current Clearing Watts Numbers Size RMS-Amps Pre-arc at 500V Loss correction factor, K, given as FWH-1A14F 14 x 51mm 1 0.3 a function of applied working 9 FWH-2A14F ( 16 x 2) 2 0.2 voltage, E , (rms). FWH-3A14F 3 2.3 g Eg FWH-4A14F 4 0.15 FWH-5A14F 5 1.6 6.4 1.5 100 250 400 500 FWH-6A14F 6 1.6 6.4 1.5 FWH-10A14F 10 3.6 13 4 FWH-12A14F 12 FWH-15A14F 15 10 40 5.5 FWH-20A14F 20 26 96 6 FWH-25A14F 25 49 191 7 FWH-30A14F 30 58 232 9 Watts loss provided at rated current. Dimensions - mm (inches) See accessories on page 211. 50.8 14.3 Features and Benefits (2.000 ) (0.563 ) Excellent cycling capability and dc performance 2 Low arc voltage and low energy let-through (I t) Low watts loss in a compact size Used with finger-safe holders/blocks 15.5 Typical Applications (0.610 ) DC common bus DC drives Power converters/rectifiers Reduced voltage starters For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 198High Speed Fuses High Speed Fuses Ferrule FWH 500V: 1-30A FWH 1-30A: 500V (14 x 51mm) Time-Current Curve 4 10 6 4 2 3 10 6 4 2 2 10 FWH-5A14F 6 FWH-10A14F 4 FWH-15A14F FWH-20A14F 2 FWH-25A14F 1 10 FWH-30A14F 6 4 2 0 10 6 4 2 1 10 6 4 2 2 10 6 4 2 3 10 6 4 2 4 10 24 68 22468 22468 1 2 3 10 10 10 Prospective Current In Amperes RMS Peak Let-Through Curve 4 10 6 4 2 FWH-30A14F FWH-25A14F 3 10 6 4 2 FWH-20A14F FWH-15A14F 2 10 FWH-10A14F FWH-5A14F 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: 35785298 For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 199 Peak Let-Through Current Virtual Pre-Arcing Time In Seconds