SIEMENS LOW VOLTAGE SENTRON MOLDED CASE CIRCUIT BREAKER WITH THERMAL - MAGNETICTRIP UNIT. STANDARD 40 DEG C BREAKER ED FRAME WITH HIGH BREAKING CAPACITY. 45A 3-POLE (42KAIC AT 480V). NON-INTERCHANGEABLE TRIP UNIT. SPECIAL FEATURES NAVAL RATED, LOAD LUGS ONLY (LN1E100) WIRE RANGE 10 - 1/0AWG (CU/AL). DIMENSIONS (W x Hx D) IN 3.00 x 6.4 x 3.92.