Bussmann ® Ferrule 5-60A FWA 150V ® Electrical Characteristics I2t (A2S) Clearing Pre-arc at 150V Ordering Information Rated Current RMS-Amps Size 5 1.6 10 3.6 10 ≈ 38mm 15 14 (⁄‹Ω£™∑) 20 33 25 58 30 100 35 75 40 100 21 ≈ 51mm 45 130 (⁄‹Ω¡§∑) 50 170 60 250 n Interrupting rating 100kA RMS Symmetrical. n 150 Vdc U.L. Recognition. n Watts loss provided at rated current. Watts Loss Part Number 1 2.7 3.3 3.8 4.9 4.9 4.5 5.1 6 7.3 8.0 FWA-5A10F FWA-10A10F FWA-15A10F FWA-20A10F FWA-25A10F FWA-30A10F FWA-35A21F FWA-40A21F FWA-45A21F FWA-50A21F FWA-60A21F 8 16 55 130 220 400 800 1000 1300 1600 2400 Dimensions Carton Qty. Carton Weight (kg) Figure Number 10 0.100 Fig. 1 10 0.600 Fig. 1 1 kg = 2.2 lbs. 1 lb = 0.45 kg Dimensions Fig. 1: 5-60 Amp Range A C Part Number FWA 5A10F-30A10F FWA 35A21F-60A21F A 38.1 50.8 Metric B C 9.5 10.3 15.9 20.6 A 1.5 2.0 Inches B C 0.375 0.406 0.625 0.811 Dimension in mm. 1mm = 0.0394∑ 1∑ = 25.4mm B Electrical Characteristics Total Clearing I2t The total clearing I2t at rated voltage and at power factor of 15% are given in the electrical characteristics. For other voltages, the clearing I2t is found by multiplying by correction factor, K , given as a function of applied working voltage, E g , (RMS). Arc Voltage This curve gives the peak arc voltage, U L , which may appear across the fuse during its operation as a function of the applied working voltage, E g , (RMS) at a power factor of 15%. 1.5 K 1.0 Kp 0.8 UL 1.0 0.6 0.5 300 1) 0.5 0.4 200 0.3 0.2 0.3 0.2 2) 100 Eg Eg 0.15 22 70 102 1) 5-30 Amp Range 2) 35-60 Amp Range 1-17-01 Power Losses Watts loss at rated current is given in the electrical characteristics. The curve allows the calculation of the power losses at load currents lower than the rated current . The correction factor, K p , is given as a function of the RMS load current, Ib , in % of the rated current . SB00233 150 50 100 150 0.1 30 40 50 Ib 60 70 80 90 100% 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. Page 1 of 1 BIF Doc #720003