form no. page 1 of 2 bif doc #720017 bussmann square body ?din 43 620 690v/700v (iec/u.l.) 40-1000a electrical characteristics ordering information curves din rated i 2 t (a 2 s) type t carton current clearing watts indicator carton weight size rms-amps pre-arc at 660v loss for micro qty. (kg) bif # 40 40 270 9 170m3808 50 77 515 11 170m3809 63 115 770 14 170m3810 80 185 1250 18 170M3811 100 360 2450 21 170m3812 125 550 3700 26 170m3813 1* 160 1100 7500 30 170m3814 5 1.85 17056314 200 2200 15000 35 170m3815 250 4200 28500 40 170m3816 315 7000 46500 50 170m3817 350 10000 68500 55 170m3818 400 15000 105000 60 170m3819 400 11000 74000 65 170m5808 450 15500 105000 70 170m5809 2 500 21500 145000 75 170m5810 550 28000 190000 80 170m5811 5 3.00 17056318 630 41000 275000 90 170m5812 700 60500 405000 95 170m5813 500 14000 95000 95 170m6808 550 19500 135000 100 170m6809 630 31000 210000 105 170m6810 3 700 44500 300000 110 170m6811 1 1.15 17056320 800 69500 465000 115 170m6812 900 100000 670000 120 170m6813 1000 140000 945000 125 170m6814 n interrupting rating 200ka (estimated 300ka) rms symmetrical. 1 kg = 2.2 lbs. 1 lb = 0.45 kg n watts loss provided at rated current. n microswitch indicator ordered separately. see accessories on pages 58-59. rated current the rated current of this fuse range has been given with copper conductors that have a current density of 1.3 a/mm 2 (iec 60269-4). for conductor cross section according to iec 60269-1, the fuses must be derated. please contact bussmann for application assistance. 7-11-01 sb01191
form no. page 2 of 2 bif doc #720017 bussmann 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. square body ?din 43 620 690v/700v (iec/u.l.) 40-1000a 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 a b d e f 6 h indicator size a b d e f h 1* 69 135 58 45 40 20 2 69 150 71 55 48 26 3 68 150 88 76 60 33 dimension in mm. 1mm = 0.0394 1 = 25.4mm dimensions din 43 620: type din 1*, din 2, din 3 k 1.5 1.0 0.5 0.4 0.3 0.2 e g 100 200 300 400 500 600 690 u l 1.4 1.2 10 3 6 8 7 9 5 4 3 e g 200 300 400 500 600 690 k p 30 40 50 60 70 80 90 100% i b 1.0 0.8 0.4 0.5 0.6 0.3 0.2 0.1 7-11-01 sb01191
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