12-28-98 sb98107 rev. a bussmann form no. fwp 700 page 1 of 2 bif doc #720012 fwp 700v 5-1200a electrical characteristics ordering information dimensions curves rated i 2 t (a 2 sec) carton see page current clearing watts part carton weight figure or type rms-amps pre-arc at 700v loss number qty. (lbs) number (bif #) 5 1.6 10 1.5 fwp-5b __________________________________________________________________________ 10 3.6 20 4 fwp-10b __________________________________________________________________________ 15 10 75 5.5 fwp-15b page 24 __________________________________________________________________________ 20 26 180 6 fwp-20b 10 2.25 __________________________________________________________________________ ( 35785316) 25 44 340 7 fwp-25b __________________________________________________________________________ 30 58 450 9 fwp-30b ______________________________________________________________________________________ ____________ ___________ _ 35 34 160 12 fwp-35b __________________________________________________________________________ 40 76 320 12 fwp-40b __________________________________________________________________________ 50 135 600 12 fwp-50b 5 1.21 __________________________________________________________________________ 60 210 950 15.5 fwp-60b page 24 _________________________________________________________________________________________________ 70 305 2000 18 fwp-70b (35785308) __________________________________________________________________________ 80 360 2400 21 fwp-80b __________________________________________________________________________ 90 415 2700 25 fwp-90b 0.24 __________________________________________________________________________ 100 540 3500 27 fwp-100b fig. 1 __________________________________________________________________________ ____________ ___________ _ 125 1800 7300 28 fwp-125a __________________________________________________________________________ fwp 150 2900 11700 32 fwp-150a __________________________________________________________________________ 700v 175 4200 16700 35 fwp-175a 0.65 __________________________________________________________________________ 200 5500 22000 43 fwp-200a __________________________________________________________________________ ____________ 225 7700 31300 45 fwp-225a __________________________________________________________________________ 250 10500 42500 48 fwp-250a __________________________________________________________________________ 300 17600 71200 58 fwp-300a 1 1.17 page 25 __________________________________________________________________________ (361) 350 23700 95600 65 fwp-350a __________________________________________________________________________ 400 31000 125000 78 fwp-400a __________________________________________________________________________ ____________ 450 36400 137000 94 fwp-450a __________________________________________________________________________ 500 45200 170000 107 fwp-500a 2.39 __________________________________________________________________________ 600 66700 250000 122 fwp-600a __________________________________________________________________________ ____________ __ __________ _ 700 54000 300000 125 fwp-700a __________________________________________________________________________ 800 78000 450000 140 fwp-800a 1.21 __________________________________________________________________________ _______________________ 900 91500 530000 150 fwp-900a fig. 2 page 24 __________________________________________________________________________ (35785308) 1000 120000 600000 170 fwp-1000a 6.60 __________________________________________________________________________ __________ _ 1200 195000 1100000 190 fwp-1200a fig. 3 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 u.l. recognition on 5 through 800 amperes only. n see accessories on page 20.
12-28-98 sb98107 rev. a bussmann form no. fwp 700 page 2 of 2 bif doc #720012 the only controlled copy of this bif document is the electronic read-only version located on the bussmann network drive. all ot her 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 en d 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. buss mann 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. fwp 700v 5-1200a ae dc f j g b h fig. 1: 5-800 amp range order # fig. a b c d e f g h j fwp-5b-30b 1 2.870 0.563 1.855 2.477 2.477 0.250 0.405 0.063 0.250 fwp-35b-60b 1 4.375 0.813 2.750 3.708 3.312 0.344 0.725 0.125 0.542 fwp-70b-100b 1 4.406 0.947 2.594 3.625 3.563 0.344 0.750 0.125 0.375 fwp-125a-200a 1 5.090 1.500 2.840 4.190 3.500 0.410 1.000 0.250 0.750 fwp-225a-400a 1 5.090 2.000 2.840 4.280 3.530 0.410 1.500 0.250 0.780 fwp-450a-600a 1 7.090 2.500 2.840 5.720 4.190 0.530 2.000 0.380 1.300 fwp-700a-800a 1 6.630 2.000 2.844 5.562 5.062 0.625 1.500 0.250 0.875 fwp-900a-1000a 2 see drawing fwp-1200a 3 see drawing dimension in inches. 1mm = 0.0394 1 = 25.4mm 7.594 0.500 3.500 3.844 1.031 0.625 2.750 5.966 5.154 1.375 fig. 2: 900-1000 amp range fig. 3: 1200 amp range 10.844 3.844 0.625 4.250 0.750 3.500 6.840 0.125 0.500 1.625 1.750 9.590 dimensions 700 604 460 316 1.5 1.0 0.5 0.3 0.2 0.15 e g k 1) 3) 2) u l 2 1.6 1.4 1.2 10 3 8 6 5 4 3 400 300 500 600 700 e g 1) 2) 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 1) 125-600 amp range 2) 35-100 & 700-1200 amp range 1) 35-100 amp range 2) 125-600 amp range 3) 700-1200 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
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