SIEMENS LOW VOLTAGE SENTRON MOLDED CASE CIRCUIT BREAKER WITH THERMAL - MAGNETICTRIP UNIT. ASSEMBLED STANDARD 40 DEG C BREAKER FD FRAME WITH STANDARD BREAKING CAPACITY. 125A 3-POLE (22KAIC AT 600V) (35KAIC AT 480V). INTERCHANGEABLE TRIP UNIT. SPECIAL FEATURES LOAD LUGS ONLY (TA1FD350A) WIRE RANGE 6AWG - 350KCMIL (CU) / 4AWG - 350KCMIL (AL). DIMENSIONS (W x H x D) IN 4.50 x 9.5 x 4.00.