High Speed Fuses High Speed Fuses North American FWX 250V: 35-2500A Arc Voltage FWX 1.4 U 1.2 L This curve gives the peak 3 Specifications 10 arc voltage, U , which may L Description: North American 800 appear across the fuse dur- style stud-mount and flush-end 600 ing its operation as a func- fuses. 500 tion of the applied working Dimensions: See Dimensions voltage, E , (rms) at a 400 g 1) illustrations. power factor of 15%. 300 Ratings: 2) E g Power Losses Volts: 250Vac 200 50 100 150 200 250 Watts loss at rated current is Amps: 35-2500A 1) 35-800A Range given in the electrical char 2) 1000-2500A Range IR: 200kA RMS Sym. 1.0 acteristics. The curve allows Kp Agency Information: CE, UL Recognized & CSA 0.8 the calculation of the power Component Acceptance on 35-800A fuses (20kA IR 0.6 losses at load currents lower 0.5 250Vdc). 0.4 than the rated current. The Electrical 1.5 0.3 correction factor, K , is p K Characteristics given as a function of the 0.2 1.0 RMS load current, I , in % 2 b Total Clearing I t of the rated current . I b 2 0.1 1) The total clearing I t at rated 0.5 30 40 50 60 80 90 100% 70 Catalog Numbers voltage and at power factor Electrical Characteristics 2) 2 2 of 15% are given in the Rated I t (A Sec) 0.3 Catalog Current Clearing Watts electrical characteristics. 0.2 Number RMS-Amps Pre-arc at 250V Loss For other voltages, the FWX-35A 35 50 230 4.2 2 Eg clearing I t is found by multi- 0.15 FWX-40A 40 60 310 5.2 75 125 200 250 300 plying by correction factor, FWX-45A 45 80 390 5.7 1) 35-800A Range FWX-50A 50 100 520 6.0 K, given as a function of 2) 1000-2500A Range FWX-60A 60 140 740 8.1 applied working voltage, E , g FWX-70A 70 330 1400 7.2 (rms). FWX-80A 80 430 1850 8.1 FWX-90A 90 570 2450 9.0 FWX-100A 100 740 3150 10.0 Dimensions (in) Tapped FWX-125A 125 1130 4850 12.5 Amp Thread FWX-150A 150 1620 6950 15.7 Range Fig. A B C D E F G H J Depth FWX-175A 175 2170 9300 18.5 35-60 1 3.19 0.81 1.59 2.59 2.25 0.34 0.63 0.13 0.52 FWX-200A 200 2790 12000 22 70-200 1 3.13 1.22 1.59 2.44 2.19 0.34 1.00 0.19 0.47 FWX-225A 225 3210 14700 24 225-600 1 3.84 1.50 1.59 2.94 2.25 0.41 1.00 0.25 0.75 FWX-250A 250 3960 18100 27 700-800 1 3.84 2.00 1.59 3.03 2.28 0.41 1.50 0.25 0.78 FWX-275A 275 4720 21600 31 3 1 1000-1200 2 2.59 3.00 1.50 8-24 x 2 FWX-300A 300 6000 2730032 3 1 1500-2500 3 2.59 3.50 1.50 1.50 8--24 x 2 FWX-350A 350 10600 48600 39 1mm = 0.0394 / 1 = 25.4mm FWX-400A 400 14500 66100 44 FWX-450A 450 22100 101000 49 Fig. 1: Fig. 2: Fig. 3: FWX-500A 500 28000 128000 54 FWX-600A 600 41100 188000 62 35-800A 1000-1200A 1500-2500A FWX-700A 700 48800 190000 72 FWX-800A 800 59000 230000 84 J FWX-1000AH 1000 44000 360000 100 A FWX-1200AH 1200 92000 750000 103 A FWX-1500AH 1500 120000 880000 140 FWX-1600AH 1600 160000 1200000 140 FWX-2000AH 2000 320000 2300000 151 ADCE D FWX-2500AH 2500 670000 4700000 163 Watts loss provided at rated current. See accessories on page 106. C B Typical Applications B C Features and Benefits DC common bus Excellent dc performance DC drives F Low arc voltage and low G 2 Power converters/rectifiers energy let-through (I t) Reduced voltage starters Superior cycling capability H B For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 95High Speed Fuses North American FWX 250V: 35-2500A FWX 35-800A: 250V FWX 1000-2500A(H): 250V Time-Current Curve Time-Current Curve 4 4 10 10 6 4 2 3 10 3 10 FWX-200A 6 FWX-350A 2 10 4 FXW-400A FWX-500A 2 FWX-600A FWX-1000AH FWX-800A 2 FWX-1200AH 10 1 10 FWX-1500AH 6 FWX-1600AH 4 FWX-2000AH 0 2 10 FWX-2500AH 1 10 FWX-35A 6 FWX-40A 1 4 10 FWX-60A FWX-70A FWX-100A 2 FWX-150A 0 2 10 10 6 4 3 2 10 1 10 6 4 10 4 2 3 4 2 10 10 10 Prospective Current In Ampere RMS 2 2 10 6 4 Peak Let-Through Curve 2 5 10 3 10 B 6 4 2 FWX-800A FWX-600A 4 10 FWX-400A 242 68 22468 3 4 5 FWX-300A 10 10 10 FWX-200A Prospective Current In Amperes RMS 4 10 Peak Let-Through Curve 5 10 6 FWX-2500AH 4 FWX-2000AH 3 10 FWX-1600AH FWX-150A FWX-1500AH FWX-100A FWX-1200AH FWX-70A 2 FWX-1000AH FWX-60A FWX-45A A FWX-35A 4 10 6 4 2 10 2 3 4 5 10 10 10 10 Prospective Short-Circuit Current Symmetrical RMS 2 3 10 24 6 2 4 6 24 6 3 4 5 10 10 10 Prospective Short-Circuit Current Symmetrical RMS Data Sheet: 359 Data Sheet: 35785299 For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 96 Virtual Pre-arcing Time In Seconds Peak Let-Through Current Peak Let-Through Current Virtual Pre-Arcing Time In Seconds