Square D,MINIATURE CIRCUIT BREAKER 240V 10A,100A,10kA,240 Vac,3-Phase,3P,Box Lugs #4 to #2/0 AWG(Al/Cu),Calibrated for use at 40 degrees C. See Data Bulletin 0100DB0101 for re-rating information.,Fiberglass filled thermoset molding material.,Miniature Circuit Breaker,QO,Switch Neutral Bolt-On,UL Listed - CSA Certified,not rated