Square D,LOAD CENTER QO MB 240V 100A 1PH 12SP,#6 to 1 AWG(Al/Cu),1 phase,100 A,120/240 V AC,120/240 V AC,22 kA,3-Wire,Convertible Mains (breaker),Designed to meet residential, commercial and industrial requirements to protect electrical systems, equipment and people.,Load Center,NEMA 1,Order separately,QO,UL Listed