High Speed Fuses North American FWJ 1000V: 35-2000A Arc Voltage 2000 FWJ U L This curve gives the peak arc 1600 Specifications voltage, U , which may L Description: North American appear across the fuse dur- 1200 style stud-mount fuses. ing its operation as a function Dimensions: See Dimensions of the applied working volt- 800 illustration. age, E , (rms) at a power g Ratings: factor of 15%. 400 Volts: 1000Vac E g Power Losses Amps: 35-200A 200 600 1000 1400 1800 Watts loss at rated current is IR: 25kA (35-200A) 1.0 given in the electrical char- Kp 100kA (250-2000A) 0.8 acteristics. The curve 50kA 800Vdc (450- 0.6 allows the calculation of the 600A) 0.5 power losses at load cur- 0.4 Agency Information: CE, UL rents lower than the rated Recognition on 35-600A only. 0.3 current. The correction fac- tor, K , is given as a func- p 0.2 Electrical Characteristics tion of the RMS load cur- rent, I , in % of the rated 2 b Total Clearing I t I b current. 0.1 2 The total clearing I t at rated 1.5 30 40 50 60 80 90 100% 70 K Catalog Numbers voltage and at power factor of Electrical Characteristics 1.0 15% are given in the electrical Rated I2t (A2 Sec) characteristics. For other volt- Catalog Current Clearing Watts 2 Numbers RMS-Amps Pre-arc at 1000V Loss ages, the clearing I t is found 0.5 FWJ-35A 35 210 2000 7 by multiplying by correction FWJ-40A 40 300 2500 8 factor, K, given as a function FWJ-50A 50 470 3500 10 0.3 FWJ-60A 60 670 5000 11 of applied working voltage, 0.2 FWJ-70A 70 1100 6900 12 E , (rms). g FWJ-80A 80 1550 9700 13 Eg FWJ-90A 90 1900 12000 14 0.15 200 500 800 1000 FWJ-100A 100 2800 17500 15 FWJ-125A 125 4800 35000 16 FWJ-150A 150 6300 45000 25 Dimensions (in) FWJ-175A 175 7500 65000 30 Amp FWJ-200A 200 11700 80000 32 Range Fig.ABCD E F G H I FWJ-250A 250 16000 112000 50 35-60 1 5.000 0.940 3.110 4.2354.180 0.352 0.7500.125 0.380 FWJ-300A 300 23500 164000 56 70-100 1 4.932 1.125 3.085 4.2664.156 0.352 1.0000.188 0.407 FWJ-350A 350 33000 231000 62 125-200 1 5.685 1.526 3.261 4.8034.055 0.445 1.0000.250 0.819 FWJ-400A 400 47000 330000 67 250-400 1 5.768 2.000 3.500 4.8114.150 0.433 1.5000.250 0.764 FWJ-500A 500 39500 329000 95 500-600 1 7.201 2.500 3.465 5.9844.706 0.562 2.0000.375 1.201 FWJ-600A 600 61000 520000 105 800-2000 1 6.811 3.500 3.312 5.4724.962 0.625 2.7500.500 0.880 FWJ-800A 800 87000 500000 182 1mm = 0.0394 / 1 = 25.4mm FWJ-1000A 1000 190000 1100000 206 FWJ-1200A 1200 370000 2100000 240 Fig. 1: 35-2000A FWJ-1400A 1400 470000 2700000 248 A FWJ-1600A 1600 700000 4000000 267 D FWJ-1800A 1800 925000 5300000 239 FWJ-2000A 2000 1330000 7600000 244 E Watts loss provided at rated current. C H See accessories on page 106. Features and Benefits G F B Excellent dc performance 2 Low arc voltage and low energy let-through (I t) J Low watts loss Superior cycling capability Typical Applications DC common bus DC drives Power converters/rectifiers Reduced voltage starters For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 104High Speed Fuses High Speed Fuses North American FWJ 1000V: 35-2000A FWJ 35-600A: 1000V FWJ 800-2000A: 1000V Time-Current Curve Time-Current Curve 4 4 10 10 6 6 4 4 2 2 3 10 3 10 6 6 4 4 2 2 2 10 2 10 6 FWJ-200A 6 4 FWJ-800A FWJ-250A 4 FWJ-1000A 2 FWJ-300A FWJ-1200A 2 1 FWJ-350A 10 FWJ-1400A FWJ-400A FWJ-1600A 1 6 10 FWJ-1800A FWJ-500A 4 6 FWJ-2000A FWJ-600A 4 2 0 2 10 6 0 10 4 6 2 4 1 10 2 6 1 10 4 6 2 4 FWJ-40A 2 FWJ-50A 10 2 FWJ-60A 6 FWJ-70A 2 4 10 FWJ-80A 6 2 FWJ-90A 4 FWJ-100A 3 10 FWJ-125A 2 6 FWJ-150A 4 3 FWJ-175A 10 2 6 4 4 10 24 68 3 22468 4 22468 5 10 10 10 2 Prospective Current In Amperes RMS 4 10 22468 22468 2 3 4 10 10 10 Prospective Current In Amperes RMS Peak Let-Through Curve Peak Let-Through Curve 2 2 FWJ-2000A FWJ-2000A FWJ-1800A FWJ-1800A 5 5 10 FWJ-1600A 10 FWJ-1600A FWJ-1400A FWJ-1400A FWJ-1250A FWJ-1250A 6 6 FWJ-1000A FWJ-1000A FWJ-600A FWJ-600A 4 FWJ-800A 4 FWJ-800A FWJ-400A FWJ-400A FWJ-500A FWJ-500A FWJ-350A FWJ-350A FWJ-300A FWJ-300A 2 2 FWJ-250A FWJ-250A FWJ-200A FWJ-200A FWJ-175A FWJ-175A 4 FWJ-150A 4 10 FWJ-150A 10 FWJ-125A FWJ-125A FWJ-100A FWJ-100A FWJ-90A 6 FWJ-90A 6 FWJ-80A FWJ-80A FWJ-70A FWJ-70A 4 4 FWJ-60A FWJ-60A FWJ-50A FWJ-50A FWJ-40A FWJ-40A 2 2 3 3 10 10 6 6 4 4 2 2 2 2 10 10 246 2 46 246 2 46 2 3 4 5 246 2 46 246 2 46 2 3 4 5 10 10 10 10 10 10 10 10 Prospective Short-Circuit Current Symmetrical RMS Data Sheet: 35785303 Data Sheet: 35785309 For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 105 Peak Let-Through Current Virtual Pre-Arcing Time In Seconds Peak Let-Through Current Virtual Pre-Arcing Time In Seconds