Bussmann FWA 150V 70-1000A Electrical Characteristics Ordering Information Dimensions Curves 2 2 I t (A Sec) Rated Carton Current Clearing Watts Part Carton Weight Figure BIF Type RMS-Amps Pre-arc at 150V Loss Number Qty. (lbs) Number 70 470 4000 6.9 FWA-70B 80 670 6000 7.7 FWA-80B 100 1200 12000 9.0 FWA-100B 125 1870 18000 11.2 FWA-125B 150 2700 26000 13.5 FWA-150B 1 0.18 200 4780 45000 17.6 FWA-200B 250 7470 70000 22.5 FWA-250B Fig. 1 35785310 FWA 300 10760 100000 27.0 FWA-300B 150V 350 15700 140000 30.6 FWA-350B 400 20300 180000 35.2 FWA-400B 500 39000 120000 35.0 FWA-500A 600 46000 140000 47.0 FWA-600A 700 75000 220000 49.0 FWA-700A 5 2.42 800 92000 280000 58.0 FWA-800A 1000 170000 510000 60.0 FWA-1000A n Interrupting rating 100kA RMS Symmetrical for ampere ratings 70-400. 1 kg = 2.2 lbs 1 lb = 0.45 kg n Interrupt rating 200kA RMS Symmetrical for ampere ratings 450-1000. n Watts loss provided at rated current. n (150 Vdc/Interrupting rating 20kA) U.L. Recognition on 70 - 800 amperes. n (80 Vdc/Interrupting rating 100kA) U.L. Recognition on 70 - 400 amperes. 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 1.5 1.0 Kp K U L 0.8 1.0 0.6 300 0.5 0.4 0.5 1) 200 0.3 0.2 0.3 2) 100 0.2 E g Eg I b 0.15 0.1 22 70 102 150 50 100 150 30 40 50 60 70 80 90 100% 1) 500-1000 Amp Range 2) 70-400 Amp Range Form No. FWA 150 Page 1 of 2 1-30-02 SB02036 BIF Doc 720002 Bussmann FWA 150V 70-1000A Dimensions Fig. 1: 70-1000 Amp Range A D E C H G F B J Dimension in inches. 1mm = 0.0394 1 = 25.4mm Order Fig. A B C D E F G H J FWA-70B-400B 1 2.656 1.000 1.156 2.188 1.936 0.312 0.750 0.125 0.438 FWA-500A-1000A 1 3.476 1.500 1.250 2.579 1.917 0.433 1.000 0.250 0.764 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. FWA 150 Page 2 of 2 1-30-02 BIF Doc 720002 SB02036