Powerpact B Frame Circuit Breakers Page 82 Let-Through Curves and Trip Curves

PowerPact B-Frame 15 to 125 A Circuit Breakers Let-Through Curves and Trip Curves PowerPact B-Frame 35/50 A Thermal-Magnetic Trip Maximum single-pole trip times at 25c based on nema ab-4 2009 Maximum clearing time (at 50 Hz) (at 60 Hz) 40 45 35 50 45 A, 50 A 40 A 35 A 1.5 700 150 200 300 400 600 800 900 2000 3000 4000 5000 7000 8000 9000 10000 .5 .6 .7 .8 .9 1 2 3 4 5 6 7 8 9 10 15 20 30 40 50 60 70 80 90 100 6000 1500 1000 500 .005 .006 .007 .008 .009 .01 .015 .02 .03 .04 .05 .06 .07 .08 .09 .1 .15 .2 .3 .4 .5 .6 .7 .8 .9 1 1.5 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 80 90 100 15 200 300 400 500 600 700 800 900 1000 1500 2000 3000 4000 6000 7000 8000 9000 5000 10000 .5 .6 .7 .8 .9 1 1.5 2 3 4 5 6 7 8 9 10 15 20 30 40 50 60 70 80 90 100 .005 .006 .007 .008 .009 .01 .015 .02 .03 .04 .05 .06 .07 .08 .09 .1 .15 .2 .3 .4 .5 .6 .7 .8 .9 1 1.5 2 3 4 5 6 7 8 9 10 15 20 30 40 50 60 70 80 90 100 150 200 300 400 500 600 700 800 900 1000 1500 2000 3000 4000 5000 6000 7000 8000 9000 10000 Time in seconds 1 /2 cycle (60 Hz) 1 /2 cycle (50 Hz) 150 200 300 400 500 600 700 800 900 1000 1500 2000 3000 4000 5000 6000 7000 8000 9000 10000 150 Multiples of rated current 1 cycle (60 Hz) 1 cycle (50 Hz) BD, BG, BJ MOLDED CASE CIRCUIT BREAKERS CHARACTERISTIC TRIP CURVE NO. 8195 CIRCUIT BREAKER INFORMATION Circuit Breaker Continuous Maximum Number Prefix Ampere Rating AC Voltage of Poles BD, BG, BJ 3550 600Y 1, 2, 3, 4 This curve is to be used for application and coordination purposes only. The EZ-AMP overlay feature at the bottom of the page should be used during coordination studies. All time/current characteristic curve data is based on 40C ambient cold start. Terminations are made with conductors of appropriate length and ratings. 82 0611CT1603

Previous Page
Next Page