High Speed Fuses Square body DIN 43 653 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 may L Description: Square body DIN 43 1.4 appear across the fuse 653 stud-mount high speed fuses. 3 during its operation as a 10 Dimensions: See dimensions function of the applied 8 illustration. working voltage, E , (rms) 6 g Ratings: 5 at a power factor of 15%. Volts: 1250Vac (IEC) 4 E g Power Losses 3 1300Vac (UL) 400 600 800 1000 1200 1400 Watts loss at rated current Amps: 50-1400A 1.0 is given in the electrical Kp IR: 100kA RMS Sym. 0.8 characteristics. The curve Agency Information: CE, Designed and tested to IEC 0.6 allows the calculation of 0.5 60269: Part 4, UL Recognized. Consult Cooper Bussmann for the power losses at load UL Recognition/CSA Component Acceptance status. 0.4 currents lower than the 0.3 rated current. The correc- Electrical Characteristics tion factor, K , is given as p 0.2 2 Total Clearing I t a function of the RMS load 1.5 K 1.25 current, I , in % of the 2 b The total clearing I t at I 1.0 b rated current. 0.1 rated voltage and at power 30 40 50 60 80 90 100% 70 factor of 15% are given in Features and Benefits the electrical characteris- 0.5 Excellent dc performance tics. For other voltages, the 2 0.4 Low arc voltage and low energy let-through (I t) 2 clearing I t is found by mul- 0.3 Low watts loss tiplying by correction factor, Superior cycling capability K, given as a function of 0.2 E g applied working voltage, Typical Applications 400 600 800 1000 1200 1400 E , (rms). DC common bus g Dashed lines (- - - - - -) apply to the DC drives following amperages:. Size Amps. Power converters/rectifiers 1* 400A Reduced voltage starters 1 500-630A 2 630-1000A 3 800-1400A Dimensions (mm) Type -KN/110. Size A B D E H 1* 80 138 58 45 20 1 80 138 66 53 25 2 80 138 75 61 25 3 81 139 90 76 30 1mm = 0.0394 / 1 = 25.4mm C A H 11 D E B 6 E For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 132High Speed Fuses High Speed Fuses Square body DIN 43 653 1250V/1300V (IEC/UL): 50-1400A Catalog Numbers Catalog Numbers -KN/110 Electrical Characteristics Type K Visual Rated I2t (A2 Sec) Indicator Current Clearing Clearing Watts for Micro Size RMS-Amps Pre-arc at 1000V at 1250V Loss 170M3238 1* 50 135 815 1100 15 170M3239 63 215 1300 1750 20 170M3240 80 420 2500 3350 25 170M3241 100 750 4450 5950 30 170M3242 125 1450 9000 11500 35 170M3243 160 2600 16000 21000 40 170M3244 200 5150 31000 41000 45 170M3245 250 9200 54500 73000 55 170M3246 315 18500 115000 150000 60 170M3247 350 27000 165000 220000 65 170M3248 400 53000 265000 335000 70 170M4238 1 160 1900 11500 15500 45 170M4239 200 3800 22500 30000 50 170M4240 250 7750 46000 61500 60 170M4241 315 15000 90000 120000 65 170M4242 350 20000 125000 165000 70 170M4243 400 29500 175000 235000 75 170M4244 450 42000 250000 335000 80 170M4245 500 69500 340000 435000 85 170M4246 550 95000 465000 590000 95 170M4247 630 130000 660000 100 170M5238 2 250 6500 38500 51500 65 170M5239 280 9350 55500 74500 70 170M5240 315 13000 77500 105000 75 170M5241 350 16500 97500 135000 80 170M5242 400 23000 140000 180000 85 170M5243 450 34000 205000 270000 90 170M5244 500 48000 285000 380000 95 170M5245 550 62000 370000 495000 100 170M5246 630 115000 575000 730000 110 170M5247 700 160000 795000 1050000 115 170M5248 800 245000 1200000 1550000 120 170M5249 900 360000 1750000 125 170M5250 1000 480000 2350000 135 170M6238 3 315 9500 58000 77500 85 170M6239 350 13500 81500 110000 90 170M6240 400 19500 120000 160000 95 170M6241 450 31000 185000 245000 100 170M6242 500 39000 235000 310000 105 170M6243 550 55000 325000 435000 110 170M6244 630 83500 495000 665000 115 170M6245 700 115000 705000 940000 120 170M6246 800 205000 995000 1300000 125 170M6247 900 305000 1500000 1900000 130 170M6248 1000 450000 2150000 2750000 135 170M6249 1100 575000 2800000 3600000 140 170M6250 1250 810000 3950000 145 170M6251 1400 1250000 6000000 150 Rated voltage (IEC) 1100V. Rated voltage (IEC) 1250V. Watts loss provided at rated current. Microswitch indicator ordered separately. See accessories on pages 179-180. For product data sheets, visit www.cooperbussmann.com/products/datasheet.asp 133