form no. page 1 of 1 bif doc #720003 bussmann ferrule fwa 150v 5-60a dimensions 150 102 70 22 1.5 1.0 0.5 0.3 0.2 0.15 eg k 1) 2) u l e g 200 100 100 150 50 300 k p 1.0 0.8 0.4 0.5 0.6 0.3 0.2 0.1 30 40 50 60 70 80 90 100% i b a b c electrical characteristics ordering information dimensions rated i 2 t (a 2 s) carton current clearing watts part carton weight figure size rms-amps pre-arc at 150v loss number qty. (kg) number 5 1.6 8 1 fwa-5a10f 10 3.6 16 2.7 fwa-10a10f 10 ? 38mm 15 14 55 3.3 fwa-15a10f 10 0.100 fig. 1 (?a) 20 33 130 3.8 fwa-20a10f 25 58 220 4.9 FWA-25A10F 30 100 400 4.9 fwa-30a10f 35 75 800 4.5 fwa-35a21f 40 100 1000 5.1 fwa-40a21f 21 ? 51mm 45 130 1300 6 fwa-45a21f 10 0.600 fig. 1 (?) 50 170 1600 7.3 fwa-50a21f 60 250 2400 8.0 fwa-60a21f n interrupting rating 100ka rms symmetrical. 1 kg = 2.2 lbs. 1 lb = 0.45 kg n 150 vdc u.l. recognition. n watts loss provided at rated current. fig. 1: 5-60 amp range metric inches part number a b c a b c fwa 5a10f-30a10f 38.1 9.5 10.3 1.5 0.375 0.406 fwa 35a21f-60a21f 50.8 15.9 20.6 2.0 0.625 0.811 dimension in mm. 1mm = 0.0394 1 = 25.4mm 1) 5-30 amp range 2) 35-60 amp range total clearing i 2 t the total clearing i 2 t at rated voltage and at power factor of 15% are given in the electrical characteristics. for other volt- ages, the clearing i 2 t is found by multi- plying 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%. 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, i b , in % of the rated current . electrical characteristics 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. 1-17-01 sb00233
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