MCB MCCB ACB MCB MCCB ACB 10 A - - - 250 A - 16 A 16 A - - 400 A - 20 A 20 A - - 630 A 630 A 25 A 25 A - - 800 A 800 A 32 A 32 A - - 1000 A 1000 A 40 A 40 A - - 1250 A 1250 A 50 A 50 A - - 1600 A 1600 A 63 A 63 A - - - 2000 A 80 A 80 A - - - 2500 A 100 A 100 A - - - 3200 A 125 A 125 A - - - 4000 A - 160 A - - - 5000 A - 200 A - - - 6300 A Eng. Ahmed Hassanin Electrical Loads Calculations and Design