form no. page 1 of 1 bif doc #720025 bussmann 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. ferrule fwp 660v/700v (iec/u.l.) 1-50a dimensions k 1.4 1.2 1.0 0.6 0.8 0.7 0.9 0.5 0.4 0.3 200 300 400 500 600 700 e g 1) 2) u l 1.4 1.2 10 3 6 8 7 9 5 4 3 200 300 400 500 600 700 e g 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 50.8 (2.000") 15.5 (0.610") 14.3 (0.563") electrical characteristics ordering information dimensions curves rated i 2 t (a 2 s) carton current clearing watts part carton weight figure size rms-amps pre-arc at 660v loss number qty. (kg) number bif # 1 ? ? ? fwp-1a14f 2 ? ? ? FWP-2A14F 3 ? ? ? fwp-3a14f 4 ? ? ? fwp-4a14f 5 1.6 11 1.5 fwp-5a14f 6 ? ? ? fwp-6a14f 14 ? 51mm 10 3.6 22 4 fwp-10a14f 10 0.225 fig. 1 35785307 (?) 15 10 75 5.5 fwp-15a14f 20 26 180 6 fwp-20a14f 25 44 320 7 fwp-25a14f 30 58 450 9 fwp-30a14f 32 68 600 7.6 fwp-32a14f 40 84 750 8 fwp-40a14f 50 200 1800 9 fwp-50a14f n interrupting rating 200ka rms symmetrical. 1 kg = 2.2 lbs. 1 lb = 0.45 kg n watts loss provided at rated current. n (700 vdc/interrupting rating 50ka) u.l. recognition. n csa component acceptance: 5 - 30a. fig. 1: 1-50 amp range 1) 5-30 amp range 2) 32-50 amp range dimension in mm. 1mm = 0.0394 1 = 25.4mm 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 7-18-01 sb01191 r
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