SIEMENS LOW VOLTAGE ENCLOSED SENTRON MOLDED CASE CIRCUIT BREAKER (ASSEMBLED) WITH THERMAL - MAGNETIC TRIP UNIT. 225A 3-POLE 600V STANDARD 40 DEG C BREAKER FD FRAME WITH STANDARD BREAKING CAPACITY (FXD63B225). NON-INTERCHANGEABLE TRIP UNIT.NEMA TYPE 1 ENCLOSURE SURFACE MOUNTED (F6N1S). ORDER NEUTRAL (N250). INCLUDES LINE AND LOAD SIDE LUGS (TA1FD350A) WIRE RANGE 6AWG - 350KCMIL (CU) / 4AWG - 350KCMIL (AL). ENCLOSURE DIMENSIONS (W x H x D) IN 11.47 x 38.41 x 5.06.