Square D,LOADCTR QO MB 240V 225A 1PH 42SP NEMA 3R,#4 to 300 AWG/kcmil(Al/Cu),1 phase,120/240 V AC,120/240 V AC,22 kA,225 A,3-Wire,Convertible Mains (breaker),Designed to meet residential, commercial and industrial requirements to protect electrical systems, equipment and people.,Load Center,NEMA 3R,QO,UL Listed