for product data sheets, visit www .cooperbussmann.com/products/datasheet.asp 155 high speed fuses high speed fuses 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. features and benefits ? excellent dc performance ? low arc voltage and low energy let-through (i 2 t) ? low watts loss ? superior cycling capability typical applications ? dc common bus ? dc drives ? power converters/rectifiers ? reduced voltage starters square body flush end contact 1000v (iec): 50?400a 1000v (iec) 50?400a specifications description: square body flush end contact high speed fuses. dimensions: see dimensions illustration. ratings: volts: 1000vac. amps: 50-1400a ir: 150ka (est.300ka) rms sym. agency information: ce, designed and tested to iec 60269: part 4, ul recognized. electrical characteristics 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 voltages, the clearing i 2 t is found by multiplying by correction factor, k, given as a function of applied working voltage, e g , (rms). 1,5 1,0 0,5 0,4 0,3 0,2 k eg 500 600 700 800 900 1000 *rated voltage 900v * 3 2,5 2 1,8 1,6 1,4 1,2 10 3 8 7 6 5 4 3 u l eg 500 600 700 800 900 1000 dimensions (mm) type Cbkn/- and Cgkn/- size size a b max d e f f** (in) min g h 1* bkn/75+gkn/75 72.5 74 61 43 m8 5 ? 16 C 18 unc-2b 5 ?17.5 1 bkn/75+gkn/75 73.2 74 69 52 m8 5 ? 16 C 18 unc-2b 8 ?20 2 bkn/75+gkn/75 73.2 74.4 77 59 m10 3 ? 8 C 16 unc-2b 10 ?24 3 bkn/75+gkn/75 73.3 75.4 92 74 m12 1 ? 2 C 13 unc-2b 10 ?30 3 bkn/90+gkn/90 80.3 91.4 92 74 m12 1 ? 2 C 13 unc-2b 10 ?30 ** valid for fuses type Cgkn/-. 1mm = 0.0394 / 1 = 25.4mm 1,0 0,8 0,7 0,6 0,5 0,4 0,3 0,2 0,15 0,1 k p i b 30 40 50 60 70 80 90 100%
for product data sheets, visit www .cooperbussmann.com/products/datasheet.asp 156 high speed fuses square body flush end contact 1000v (iec): 50?400a catalog numbers catalog numbers electrical characteristics -bkn/- -gkn/- i 2 t (a 2 sec) type k type k rated clearing indicator for indicator for rated current at rated watts micro micro size voltage rms-amps pre-arc voltage loss 170m3951 170m3921 1* 1000 50 135 815 20 170m3952 170m3922 1000 63 215 1300 25 170m3953 170m3923 1000 80 460 2750 30 170m3954 170m3924 1000 100 860 5100 35 170m3955 170m3925 1000 125 1450 8600 40 170m3956 170m3926 1000 160 2850 17500 45 170m3957 170m3927 1000 200 4950 29500 48 170m3958 170m3928 1000 250 9550 57000 50 170m3959 170m3929 1000 315 21500 130000 60 170m3960 170m3930 1000 350 29000 175000 65 170m3961 170m3931 1000 400 42000 250000 70 170m4951 170m4921 1 1000 160 2200 13500 40 170m4952 170m4922 1000 200 4150 24500 45 170m4953 170m4923 1000 250 7750 46000 52 170m4954 170m4924 1000 315 16500 98500 60 170m4955 170m4925 1000 350 21500 130000 65 170m4956 170m4926 1000 400 31000 185000 70 170m4957 170m4927 1000 450 44500 265000 80 170m4958 170m4928 1000 500 63000 375000 85 170m4959 170m4929 1000 550 84500 500000 90 170m4960 170m4930 1000 630 125000 755000 98 170m5952 170m5922 2 1000 250 6750 40000 65 170m5953 170m5923 1000 315 13500 81500 75 170m5954 170m5924 1000 350 16500 99000 80 170m5955 170m5925 1000 400 26000 155000 85 170m5956 170m5926 1000 450 35500 210000 90 170m5957 170m5927 1000 500 49500 295000 95 170m5958 170m5928 1000 550 66000 390000 100 170m5959 170m5929 1000 630 93500 555000 110 170m5960 170m5930 1000 700 130000 770000 115 170m5961 170m5931 1000 800 195000 1200000 125 170m8600 170m8500 3 1000 315 9200 54500 90 170m8601 170m8501 1000 350 13000 77500 95 170m8602 170m8502 1000 400 19000 115000 105 170m8603 170m8503 1000 450 27000 160000 107 170m8604 170m8504 1000 500 37500 225000 110 170m8605 170m8505 1000 550 52000 310000 115 170m8606 170m8506 1000 630 82500 490000 120 170m8607 170m8507 1000 700 115000 700000 125 170m8608 170m8508 1000 800 170000 1050000 135 170m8609 170m8509 1000 900 250000 1500000 145 170m8610 170m8510 1000 1000 340000 2050000 150 170m8611 170m8511 1000 1100 460000 2750000 155 170m8612** 170m8512** 1000 1250 575000 3400000 175 170M8613** 170m8513** 900 1400 795000 4200000 185 **overall length is 90mm, for all other fuses the overall length is 75mm. ? watts loss provided at rated current. ? microswitch ordered separately. see accessories on page 179-180.
for product data sheets, visit www .cooperbussmann.com/products/datasheet.asp 157 high speed fuses high speed fuses square body flush end contact 1000v (iec): 50?400a 1s 10 -1 10 -2 10 -3 10 -4 virtual pre-arcing time in seconds prospective current in ampere rms 5x10 1 10 2 10 3 10 4 5x10 4 50a 80a 125a 200a 315a 400a 350a 63a 160a 250a 100a 10 5 10 4 10 3 2x10 2 peak let-through current in amperes prospective short-circuit current symmetrical rms 10 2 10 3 10 4 10 5 amp 10 6 400a 350a 315a 250a 200a 160a 50a 630a 80a 100a 125a size 1* ?50-400a: 1000v time-current curve peak let-through curve 10 4 10 3 10 2 10 1 s 10 -1 10 -2 10 -3 10 -4 virtual pre-arcing time in seconds prospective current in ampere rms 10 2 10 3 10 4 10 5 200a 315a 400a 500a 630a 160a 350a 250a 450a 550a 10 5 10 4 10 3 2x10 2 peak let-through current in amperes prospective short-circuit current symmetrical rms 10 2 10 3 10 4 10 5 amp 10 6 550a 500a 450a 400a 350a 315a 630a 160a 200a 250a size 1 ?160-630a: 1000v time-current curve peak let-through curve data sheet: 17058564 data sheet: 17058566
for product data sheets, visit www .cooperbussmann.com/products/datasheet.asp 158 high speed fuses square body flush end contact 1000v (iec): 50?400a size 2 ?250-800a: 1000v time-current curve peak let-through curve 10 4 10 3 10 2 10 1 s 10 -1 10 -2 10 -3 10 -4 virtual pre-arcing time in seconds prospective current in ampere rms 10 2 10 3 10 4 10 5 250a 350a 550a 700a 315a 500a 400a 630a 800a 450a 10 5 10 4 10 3 2x10 2 peak let-through current in amperes prospective short-circuit current symmetrical rms 10 2 10 3 10 4 10 5 amp 10 6 700a 800a 630a 500a 550a 450a 250a 315a 350a 400a 10 4 10 3 10 2 10 1 s 10 -1 10 -2 10 -3 10 -4 virtual pre-arcing time in seconds prospective current in ampere rms 10 2 10 3 10 4 10 5 350a 450a 700a 900a 315a 500a 400a 630a 800a 550a 1100a 1400a* 1000a 1250a 10 5 10 4 10 3 2x10 2 peak let-through current in amperes prospective short-circuit current symmetrical rms 10 2 10 3 10 4 10 5 amp 10 6 1250a 1400a * 1100a 900a 1000a 800a 500a 550a 630a 700a 450a 400a 350a 315a size 3 ?315-1400a: 1000v time-current curve peak let-through curve * 1400a fuses are derated to 900v data sheet: 17058568 data sheet: 17058570
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