High Speed Fuses High Speed Fuses North American FWH 500V: 35-1600A Arc Voltage 2.0 FWH U L 1.6 This curve gives the peak Specifications arc voltage, U , which 1.2 L Description: North American style 3 may appear across the 10 stud-mount fuses. fuse during its operation 800 Dimensions: See Dimensions as a function of the illustration. 600 2) applied working voltage, 500 Ratings: E , (rms) at a power factor 1) g 400 Volts: 500Vac of 15%. E g 300 Amps: 35-1600A 100 200 300 400 500 Power Losses IR: 200kA Sym. 1) 35-200 & 1000-1600A Range 2) 225-800A Range Watts loss at rated cur- 50kA 500Vdc 1.0 rent is given in the elec- Kp 0.8 Agency Information: CE, UL Recognition & CSA trical characteristics. The 0.6 Component Acceptance on 35-800A only (50kA curve allows the calcula- 0.5 IR 500Vdc). UL Recognition on 35-1200A only, CSA tion of the power losses 0.4 Component Acceptance: 35-1600A. at load currents lower 0.3 than the rated current. Electrical Characteristics The correction factor, K , 0.2 p 1.5 2 Total Clearing I t is given as a function of K 2 the RMS load current, Ib, 1.0 The total clearing I t at rated I b 0.1 in % of the rated current. voltage and at power factor of 30 40 50 60 70 80 90 100% 15% are given in the electrical Catalog Numbers 0.5 characteristics. For other volt- Electrical Characteristics 2 2 2 Rated I t (A Sec) 1) ages, the clearing I t is found Catalog Current Clearing Watts 0.3 by multiplying by correction Numbers RMS-Amps Pre-arc at 500V Loss 0.2 factor, K, given as a function of FWH-35B 35 34 150 8 2) FWH-40B 40 76 320 7.5 applied working voltage, E , Eg g 0.15 FWH-45B 45 105 450 7.5 (rms). 100 250 400 500 FWH-50B 50 135 670 7.5 1) 35-800A Range FWH-60B 60 210 900 9.9 2) 1000-1600A Range FWH-70B 70 210 900 10.6 Dimensions (in) FWH-80B 80 305 1400 12.7 Amp FWH-90B 90 360 1600 15 Range Fig. A B C D E F G H J FWH-100B 100 475 2000 17 35-60 1 3.188 0.813 1.593 2.541 2.193 0.344 0.719 0.125 0.518 FWH-125B 125 800 3500 25 70-100 1 3.625 0.947 1.736 2.853 2.807 0.352 0.750 0.125 0.375 FWH-150B 150 1100 4600 30 125-200 1 3.625 1.156 1.836 2.892 2.768 0.344 1.000 0.188 0.406 FWH-175B 175 1450 6200 35 225-400 1 4.340 1.500 2.090 3.440 2.750 0.410 1.000 0.250 0.750 FWH-200B 200 1900 8500 40 450-600 1 4.340 2.000 2.090 3.530 2.780 0.410 1.500 0.250 0.780 FWH-225A 225 4600 23300 39 700-800 1 6.340 2.500 2.090 4.970 3.440 0.530 2.000 0.380 1.300 FWH-250A 250 6300 32200 41 1000-1200 1 6.969 3.000 3.219 5.465 4.475 0.625 2.375 0.438 1.120 FWH-275A 275 7900 40300 46 1400-1600 2 See Drawing FWH-300A 300 9800 49800 51 1mm = 0.0394 / 1 = 25.4mm FWH-325A 325 13700 63800 53 Fig. 1: 35-1200A FWH-350A 350 14500 72900 58 A FWH-400A 400 19200 96700 65 D FWH-450A 450 24700 127000 74 E FWH-500A 500 29200 149000 84 C H FWH-600A 600 41300 206000 108 FWH-700A 700 55000 298000 120 FWH-800A 800 76200 409000 129 G F B FWH-1000A 1000 92000 450000 145 FWH-1200A 1200 122000 600000 180 J FWH-1400A 1400 200000 1000000 210 Fig. 2: 1400-1600A FWH-1600A 1600 290000 1400000 230 10.219 Watts loss provided at rated current. See accessories on page 106. 0.125 0.5 3.219 0.625 1.625 Typical Applications Features and Benefits 1.750 DC common bus Excellent dc performance 3.5 DC drives Low arc voltage and low 2 Power converters/rectifiers energy let-through (I t) Reduced voltage starters Low watts loss 0.75 Superior cycling capability 6.219 4.25 8.969 For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 97High Speed Fuses North American FWH 500V: 35-1600A FWH 35-200A(B) & 900-1600A(A): 500V FWH 225-800A: 500V Time-Current Curve Time-Current Curve 3 10 4 10 6 4 2 3 10 2 6 10 4 2 FWH-350A FWH-400A 2 FWH-500A 10 FWH-600A 6 FWH-800A 4 1 10 FWH-900A 2 FWH-1000A 1 10 FWH-1200A 6 FWH-1400A 4 FWH-1600A 2 0 10 0 FWH-80B 10 FWH-90B 6 FWH-100B 4 FWH-125B FWH-35B 2 FWH-150B FWH-40B FWH-175B 1 10 FWH-45B 1 FWH-200B 10 FWH-50B 6 FWH-60B 4 FWH-70B 2 2 10 6 2 4 10 2 3 10 6 4 3 10 2 4 10 24 68 22468 22468 2 3 4 10 10 10 Prospective Current In Amperes RMS 4 10 2 3 4 5 10 10 10 10 Prospective Current In Amperes RMS Peak Let-Through Curve Peak Let-Through Curve 5 5 10 10 FWH-1600A B FWH-1400A 6 FWH-1200A FWH-1000A 4 2 4 10 4 10 6 FWH-800A 4 FWH-600A FWH-500A FWH-400A 2 FWH-300A FWH-250A 3 10 3 10 FWH-200B 6 FWH-150B FWH-125B 4 FWH-100B A FWH-80B FWH-60B 2 FWH-50B FWH-40B FWH-35B 2 10 2 10 24 6 2 4 6 24 6 2 2 3 4 5 10 10 10 10 2 3 4 5 10 10 10 10 Prospective Short-Circuit Current Symmetrical RMS Prospective Short-Circuit Current Symmetrical RMS Data Sheet: 35785304 Data Sheet: 360 For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 98 Peak Let-Through Current Peak Let-Through Current Virtual Pre-Arcing Time In Seconds