Square D,MOLDED CASE CIRCUIT BREAKER 600V 500A,12.80 in.,1ph,2P,40deg Celsius,50/60Hz,500A,500A,600 Vac,65kA@240Vac - 35kA@480Vac - 18kA@600Vac,8.10 in.,8.30 in.,Ambient environment,Basic (ET1.0) Fixed Long-Time Adjustable Instantaneous Trip,Electronic,Electronic Trip Circuit Breaker,I-Line Connection (ON end) - Lugs (OFF end) AC,I-Line Plug-On,M-Frame,Powerpact,Provides overload and short circuit protection,UL Listed - CSA Certified - IEC Rated,Various