form no. fwj 1000 page 1 of 2 bif doc #720027 bussmann fwj 1000v 35-2000a electrical characteristics ordering information dimensions curves rated i 2 t (a 2 sec) carton current clearing watts part carton weight figure type rms-amps pre-arc at 1000v loss number qty. (lbs) number bif # 35 210 2000 7 fwj-35a __________________________________________________________________________ 40 300 2500 8 fwj-40a __________________________________________________________________________ 50 470 3500 10 fwj-50a __________________________________________________________________________ 60 670 5000 11 fwj-60a __________________________________________________________________________ 70 1100 6900 12 fwj-70a 10 4.18 __________________________________________________________________________ 80 1550 9700 13 fwj-80a __________________________________________________________________________ 90 1900 12000 14 fwj-90a __________________________________________________________________________ 100 2800 17500 15 FWJ-100A 35785303 _________________________________________________________________________________________________ 125 4800 35000 16 fwj-125a __________________________________________________________________________ 150 6300 45000 25 fwj-150a __________________________________________________________________________ 175 7500 65000 30 fwj-175a 4.40 __________________________________________________________________________ fwj 200 11700 80000 32 fwj-200a __________________________________________________________________________ ___________ 1000v 250 16000 112000 50 fwj-250a fig. 1 __________________________________________________________________________ 300 23500 164000 56 fwj-300a __________________________________________________________________________ 350 33000 231000 62 fwj-350a 4.84 __________________________________________________________________________ 400 47000 330000 67 fwj-400a __________________________________________________________________________ 500 39500 329000 95 fwj-500a 1 __________________________________________________________________________ 600 61000 520000 105 fwj-600a __________________________________________________________________________ ___________ 800 87000 500000 182 fwj-800a __________________________________________________________________________ 1000 190000 1100000 206 fwj-1000a __________________________________________________________________________ 1200 370000 2100000 240 fwj-1200a __________________________________________________________________________ 1400 470000 2700000 248 fwj-1400a 5.28 35785309 __________________________________________________________________________ 1600 700000 4000000 267 fwj-1600a __________________________________________________________________________ 1800 925000 5300000 239 fwj-1800a __________________________________________________________________________ 2000 1330000 7600000 244 fwj-2000a ?u.l. recognition on 35 through 600 amperes only. 1 kg = 2.2 lbs 1 lb = 0.45 kg n interrupting rating 25ka for 35 through 200 amperes. n interrupting rating 100ka for 250 through 2000 amperes. n watts loss provided at rated current. n (800 vdc/interrupting rating 50ka) u.l. recognition on 35-200 and 450-600 amperes. 7-11-01 sb01191 ?
bussmann 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. form no. fwj 1000 page 2 of 2 bif doc #720027 fwj 1000v 35-2000a a e d c f j g b h fig. 1: 35-2000 amp range order # fig. a b c d e f g h j fwj-35a-60a 1 5.000 0.940 3.110 4.235 4.180 0.352 0.750 0.125 0.380 fwj-70a-100a 1 4.932 1.125 3.085 4.266 4.156 0.352 1.000 0.188 0.407 fwj-125a-200a 1 5.685 1.526 3.261 4.803 4.055 0.445 1.000 0.250 0.819 fwj-250a-400a 1 5.768 2.000 3.500 4.811 4.150 0.433 1.500 0.250 0.764 fwj-500a-600a 1 7.201 2.500 3.465 5.984 4.706 0.562 2.000 0.375 1.201 fwj-800a-2000a 1 6.811 3.500 3.312 5.472 4.962 0.625 2.750 0.500 0.880 dimension in inches. 1mm = 0.0394 1 = 25.4mm dimensions 1000 800 500 200 1.5 1.0 0.5 0.3 0.2 0.15 eg k 2000 1600 1200 800 400 200 600 1000 1400 1800 u l 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 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 7-11-01 sb01191 ?
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