Bussmann R FWH 500V 35-1600A Electrical Characteristics Ordering Information Dimensions Curves 2 2 I t (A Sec) Rated Carton Current Clearing Watts Part Carton Weight Figure Type RMS-Amps Pre-arc at 500V Loss Number Qty. (lbs) Number BIF 35 34 150 8 FWH-35B 40 76 320 7.5 FWH-40B 45 105 450 7.5 FWH-45B 5 0.71 50 135 670 7.5 FWH-50B 60 210 900 9.9 FWH-60B 35785304 70 210 900 10.6 FWH-70B 80 305 1400 12.7 FWH-80B 0.21 90 360 1600 15 FWH-90B 100 475 2000 17 FWH-100B 125 800 3500 25 FWH-125B 150 1100 4600 30 FWH-150B 0.33 175 1450 6200 35 FWH-175B 200 1900 8500 40 FWH-200B Fig. 1 FWH 225 4600 23300 39 FWH-225A 500V 250 6300 32200 41 FWH-250A 275 7900 40300 46 FWH-275A 300 9800 49800 51 FWH-300A 0.57 1 360 325 13700 63800 53 FWH-325A 350 14500 72900 58 FWH-350A 400 19200 96700 65 FWH-400A 450 24700 127000 74 FWH-450A 500 29200 149000 84 FWH-500A 1.00 600 41300 206000 108 FWH-600A 700 55000 298000 120 FWH-700A 2.14 800 76200 409000 129 FWH-800A 1000 92000 450000 145 FWH-1000A 4.62 1200 122000 600000 180 FWH-1200A 1400 200000 1000000 210 FWH-1400A 35785304 11.66 Fig. 2 1600 290000 1400000 230 FWH-1600A U.L. Recognition on 35 through 1200 amperes only. 1 kg = 2.2 lbs 1 lb = 0.45 kg CSA Component Acceptance: 35 - 1600A. n Interrupting rating 200kA RMS Symmetrical. n Watts loss provided at rated current. n (500 Vdc/Interrupting rating 50kA) U.L. Recognition on 35 through 800 amperes only. Form No. FWH 500 Page 1 of 2 BIF Doc 720007 7-11-01 SB01191 Bussmann R FWH 500V 35-1600A Electrical Characteristics 2 Total Clearing I t Arc Voltage Power Losses 2 The total clearing I t at rated voltage and This curve gives the peak arc voltage, Watts loss at rated current is given in at power factor of 15% are given in the U , which may appear across the fuse the electrical characteristics. The curve L electrical characteristics. For other volt- during its operation as a function of the allows the calculation of the power 2 ages, the clearing I t is found by multi- applied working voltage, E , (RMS) at a losses at load currents lower than the g plying by correction factor, K, given as power factor of 15%. rated current. The correction factor, K , p a function of applied working voltage, is given as a function of the RMS load E , (RMS). current, I , in % of the rated current . g b 1.0 1.5 2.0 Kp K U 0.8 L 1.6 1.0 0.6 1.2 0.5 3 0.4 10 0.5 0.3 800 1) 600 0.2 2) 0.3 500 0.2 1) 2) 400 I E Eg g b 0.1 0.15 300 30 40 50 60 80 90 100% 70 100 250 400 500 100 200 300 400 500 1) 35-800 Amp Range 1) 35-200 & 1000-1600 Amp Range 2) 1000-1600 Amp Range 2) 225-800 Amp Range Dimensions Fig. 1: 35-1200 Amp Range Fig. 2: 1400-1600 Amp Range 10.219 A 0.125 0.5 3.219 0.625 D 1.625 1.750 E C H 3.5 G F B 0.75 6.219 4.25 J 8.969 Order Fig. A B C D E F G H J FWH-35B-60B 1 3.188 0.813 1.593 2.541 2.193 0.344 0.719 0.125 0.518 FWH-70B-100B 1 3.625 0.947 1.736 2.853 2.807 0.352 0.750 0.125 0.375 FWH-125B-200B 1 3.625 1.156 1.836 2.892 2.768 0.344 1.000 0.188 0.406 FWH-225A-400A 1 4.340 1.500 2.090 3.440 2.750 0.410 1.000 0.250 0.750 FWH-450A-600A 1 4.340 2.000 2.090 3.530 2.780 0.410 1.500 0.250 0.780 FWH-700A-800A 1 6.340 2.500 2.090 4.970 3.440 0.530 2.000 0.380 1.300 FWH-1000A-1200A 1 6.969 3.000 3.219 5.465 4.475 0.625 2.375 0.438 1.120 FWH-1400A-1600A 2 See Drawing Dimension in inches. 1mm = 0.0394 1 = 25.4mm The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Form No. FWH 500 Page 2 of 2 7-11-01 SB01191 BIF Doc 720007