Square D,MINIATURE CIRCUIT BREAKER 240V 50A,1-Phase,10kA,120/240 Vac,2P,50A,Box Lugs #8 to #2 AWG(Al/Cu),Calibrated for use at 40 degrees C. See Data Bulletin 0100DB0101 for re-rating information.,Fiberglass filled thermoset molding material.,High Intensity Discharge Bolt-On,Miniature Circuit Breaker,Provides overload and short circuit protection Designed for use on circuits feeding fluorescent and other high intensity discharge lighting systems.,QO,UL Listed - CSA Certified