High Speed Fuses Square Body Flush End Contact — 1250V/1300V (IEC/UL): 50-1400A Arc Voltage 3 1250V/1300V (IEC/UL) 50-1400A U 2.5 L This curve gives the peak Specifications 1.8 arc voltage, U , which D De es sc cr riip pt tiio on n: : L Square body flush 1.4 may appear across the end contact high speed fuses. 3 fuse during its operation 10 D Diim me en ns siio on ns s: : See dimensions 8 as a function of the illustrations. 6 applied working voltage, R Ra at tiin ng gs s: : 5 E , (rms) at a power factor g 4 Volts: — 1250Vac (IEC) of 15%. E g 3 — 1300Vac (UL) 400 600 800 1000 1200 1400 Power Losses Amps: — 50-1400A 1.0 Watts loss at rated current Kp IR: — 100kA RMS Sym. 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 0.6 characteristics. The curve 60269: Part 4, UL Recognized. Consult Cooper Bussmann 0.5 allows the calculation of for UL Recognition/CSA Component Acceptance status. 0.4 the power losses at load 0.3 currents lower than the Electrical Characteristics rated current. The 0.2 2 Total Clearing I t correction factor, K , is p 1.5 2 given as a function of the The total clearing I t at rated K I 1.25 b RMS load current, I , in % 0.1 voltage and at power factor b 1.0 30 40 50 60 70 80 90 100% of the rated current. of 15% are given in the electrical characteristics. For Features and Benefits other voltages, the clearing 0.5 • Excellent DC performance 2 I t is found by multiplying by 2 0.4 • Low arc voltage and low energy let-through (I t) correction factor, K, given as 0.3 • Low watts loss a function of applied working • Superior cycling capability 0.2 voltage, E , (rms). g E g Typical Applications 400 600 800 1000 1200 1400 • DC common bus Dashed lines (- - - - - -) apply to the • DC drives following amperages:. S Siiz ze e A Am mp ps s.. • Power converters/rectifiers 1* 400A • Reduced voltage starters 1 500-630A 2 630-1000A For Other Voltage Ratings in This Body Style 3 800-1400A • See pages 124 (690V/700V) and 148 (1000V) Dimensions (mm) Type -BKN/-, -GKN/- S Siiz ze e T Ty yp pe e A A B B D D E E F F F F* ** * ( (iin n) ) G G H H 5 1* BKN + GKN/75 74 75 59 45 M8 ⁄16” - 18 UNC-2B 5 Ø17 B 1* BKN/80 80 81 59 45 M8 5 Ø17 5 1 BKN + GKN/75 74 75 69 53 M8 ⁄16” - 18 UNC-2B 8 Ø20 1 BKN/80 80 81 69 53 M8 8 Ø20 3 2 BKN + GKN/75 74 75 77 61 M10 ⁄8” - 16 UNC-2B 10 Ø24 2 BKN/80 80 81 77 61 M10 10 Ø24 3 2 BKN + GKN/90 80 91 77 61 M10 ⁄8” - 16 UNC-2B 10 Ø24 1 3 BKN + GKN/75 74 76 92 76 M12 ⁄2” - 13 UNC-2B 10 Ø30 3 BKN/80 81 83 92 76 M12 10 Ø30 1 3 BKN + GKN/90 81 91 92 76 M12 ⁄2” - 13 UNC-2B 10 Ø30 **Valid for fuses type -GKN/-. 1mm = 0.0394” / 1” = 25.4mm D E A F E H G For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa 162 High Speed Fuses High Speed Fuses Square Body Flush End Contact — 1250V/1300V (IEC/UL): 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 - -B BK KN N//7 75 5 - -B BK KN N//8 80 0 - -B BK KN N//9 90 0 - -G GK KN N//7 75 5 - -G GK KN N//9 90 0 R Ra at te ed d 2 2 2 2 T Ty yp pe e K K T Ty yp pe e K K T Ty yp pe e K K T Ty yp pe e K K T Ty yp pe e K K C Cu ur rr re en nt t II t t ( (A A S Se ec c) ) IIn nd diic ca at to or r IIn nd diic ca at to or r IIn nd diic ca at to or r IIn nd diic ca at to or r IIn nd diic ca at to or r R RM MS S- - C Clle ea ar riin ng g C Clle ea ar riin ng g W Wa at tt ts s f fo or r M Miic cr ro o f fo or r M Miic cr ro o f fo or r M Miic cr ro o f fo or r M Miic cr ro o f fo or r M Miic cr ro o S Siiz ze e A Am mp ps s P Pr re e- -a ar rc c a at t 1 10 00 00 0V V a at t 1 12 25 50 0V V L Lo os ss s 170M3388 170M3438 170M3488 50 135 815 1100 15 170M3389 170M3439 170M3489 63 215 1300 1750 20 170M3390 170M3440 170M3490 80 420 2500 3350 25 170M3391 170M3441 170M3491 100 750 4450 5950 30 170M3392 170M3442 170M3492 125 1450 9000 11500 35 170M3393 170M3443 170M3493 1* 160 2600 16000 21000 40 170M3394 170M3444 170M3494 200 5150 31000 41000 45 170M3395 170M3445 170M3495 250 9200 54500 73000 55 170M3396 170M3446 170M3496 315 18500 115000 150000 60 170M3397 170M3447 170M3497 350 27000 165000 220000 65 170M3448 400 53000 265000 335000 70 170M4388 170M4438 170M4488 160 1900 11500 15500 45 170M4389 170M4439 170M4489 200 3800 22500 30000 50 170M4390 170M4440 170M4490 250 7750 46000 61500 60 170M4391 170M4441 170M4491 315 15000 90000 120000 65 170M4392 170M4442 170M4492 350 20000 125000 165000 70 170M4393 170M4443 170M4493 1 400 29500 175000 235000 75 170M4394 170M4444 170M4494 450 42000 250000 335000 80 170M4395† 170M4445 170M4495† 500 69500 340000 435000 85 170M4396‡ 170M4446 170M4496‡ 550 95000 465000 590000 95 170M4397‡ 170M4447† 170M4497‡ 630 130000 660000 100 170M5388 170M5438 170M5588 250 6500 38500 51500 65 170M5389 170M5439 170M5589 280 9350 55500 74500 70 170M5390 170M5440 170M5590 315 13000 77500 105000 75 170M5391 170M5441 170M5591 350 16500 97500 135000 80 170M5392 170M5442 170M5592 400 23000 140000 180000 85 170M5393 170M5443 170M5593 450 34000 205000 270000 90 170M5394 170M5444 170M5494 170M5594 170M5644 2 500 48000 285000 380000 95 170M5395 170M5445 170M5495 170M5595 170M5645 550 62000 370000 495000 100 170M5396† 170M5446 170M5496 170M5596† 170M5646 630 115000 575000 730000 110 170M5397‡ 170M5447† 170M5497 170M5597‡ 170M5647 700 160000 795000 1050000 115 170M5398‡ 170M5448‡ 170M5498 170M5598‡ 170M5648 800 245000 1200000 1550000 120 170M5499 170M5649 900† 360000 1750000 125 170M5500 170M5650 1000† 480000 2350000 135 170M6338 170M6538 170M6588 315 9500 58000 77500 85 170M6339 170M6539 170M6589 350 13500 81500 110000 90 170M6340 170M6540 170M6590 400 19500 120000 160000 95 170M6341 170M6541 170M6591 450 31000 185000 245000 100 170M6342 170M6542 170M6592 500 39000 235000 310000 105 170M6343 170M6543 170M6593 550 55000 325000 435000 110 170M6344 170M6544 170M6494 170M6594 170M6644 630 83500 495000 665000 115 170M6345 170M6545 170M6495 170M6595 170M6645 3 700 115000 705000 940000 120 170M6346† 170M6546 170M6496¥ 170M6596† 170M6646¥ 800 205000 995000 1300000 125 170M6347‡ 170M6547† 170M6497¥ 170M6597‡ 170M6647¥ 900 305000 1500000 1900000 130 170M6348‡ 170M6548† 170M6498¥ 170M6598‡ 170M6648¥ 1000 450000 2150000 2750000 135 170M6349‡ 170M6549‡ 170M6499¥ 170M6599‡ 170M6649¥ 1100 575000 2800000 3600000 140 170M6500 170M6650 1250† 810000 3950000 145 170M6501 170M6651 1400† 1250000 6000000 150 †Rated voltage (IEC) 1100V. ‡Rated voltage (IEC) 1000V. ¥Rated voltage (IEC) 1250V. • Watts loss provided at rated current. • Microswitch indicator ordered separately. See accessories on pages 185-186. • For fuse curves see pages 166 and 167. For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa 163