High Speed Fuses Square Body Flush End Contact — 1000V (IEC): 50–1400A Arc Voltage 3 1000V (IEC) 50–1400A U L 2,5 This curve gives the peak 2 Specifications 1,8 arc voltage, U , which may 1,6 D De es sc cr riip pt tiio on n: : L Square body flush 1,4 appear across the fuse 1,2 3 end contact high speed fuses. 10 during its operation as a 8 D Diim me en ns siio on ns s: : See dimensions 7 function of the applied illustration. 6 working voltage E , (rms) 5 g R Ra at tiin ng gs s: : at a power factor of 15%. 4 Volts: — 1000Vac. 3 Eg Power Losses 500 600 700 800 900 1000 Amps: — 50-1400A Watts loss at rated current 1,0 IR: — 150kA (Est. 300kA) RMS Sym. K p 0,8 is given in the electrical A Ag ge en nc cy y IIn nf fo or rm ma at tiio on n: : CE, Designed and tested to IEC 0,7 characteristics. The curve 0,6 60269: Part 4, UL Recognized. 0,5 allows the calculation of 0,4 Electrical Characteristics the power losses at load 0,3 currents lower than the 2 1,5 Total clearing I t K rated current. The 0,2 2 correction factor, K , is The total clearing I t at 0,15 p 1,0 * given as a function of the rated voltage and at power Ib 0,1 RMS load current, I , in % factor of 15% are given in 30 40 50 60 70 80 90 100% b of the rated current. the electrical 0,5 0,4 characteristics. For other Features and Benefits 2 voltages, the clearing I t is 0,3 • Excellent DC performance found by multiplying by 2 • Low arc voltage and low energy let-through (I t) 0,2 correction factor, K, given Eg • Low watts loss as a function of applied 500 600 700 800 900 1000 • Superior cycling capability working voltage, E , (rms). g *Rated voltage 900V Typical Applications • DC common bus • DC drives • Power converters/rectifiers • Reduced voltage starters For Other Voltage Ratings in This Body Style • See pages 124 (690V/700V) and 162 (1250V/1300V) Dimensions (mm) Type –BKN/- and –GKN/- S Siiz ze e A A B B M Ma ax x D D E E F F F F* * ( (iin n) ) M Miin n G G H H 5 1*BKN/75+GKN/75 72.5 74 61 43 M8 ⁄16” – 18 UNC-2B 5 ø17.5 5 1BKN/75+GKN/75 73.2 74 69 52 M8 ⁄16” – 18 UNC-2B 8 ø20 3 2BKN/75+GKN/75 73.2 74.4 77 59 M10 ⁄8” – 16 UNC-2B 10 ø24 1 3BKN/75+GKN/75 73.3 75.4 92 74 M12 ⁄2” – 13 UNC-2B 10 ø30 1 3BKN/90+GKN/90 80.3 91.4 92 74 M12 ⁄2” – 13 UNC-2B 10 ø30 * Valid for fuses type –GKN/-. 1mm = 0.0394” / 1” = 25.4mm For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa 148 High Speed Fuses High Speed Fuses Square Body Flush End Contact — 1000V (IEC): 50–1400A Catalog Numbers C Ca at ta allo og g N Nu um mb be er rs s E Elle ec ct tr riic ca all C Ch ha ar ra ac ct te er riis st tiic cs s 2 2 2 2 - -B BK KN N//- - - -G GK KN N//- - II t t ( (A A S Se ec c) ) T Ty yp pe e K K T Ty yp pe e K K R Ra at te ed d C Clle ea ar riin ng g IIn nd diic ca at to or r f fo or r IIn nd diic ca at to or r f fo or r R Ra at te ed d C Cu ur rr re en nt t a at t R Ra at te ed d W Wa at tt ts s M Miic cr ro o M Miic cr ro o S Siiz ze e V Vo ollt ta ag ge e R RM MS S- -A Am mp ps s P Pr re e- -a ar rc c V Vo ollt ta ag ge e L Lo os ss s 170M3951 170M3921 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 1* 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 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 1 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 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 2 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 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 3 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 185-186. • For fuse curves see pages 152 and 153. For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa 149