SIEMENS LOW VOLTAGE ENCLOSED SENTRON MOLDED CASE CIRCUIT BREAKER (ASSEMBLED) WITH THERMAL - MAGNETIC TRIP UNIT. 20A 3-POLE 480V STANDARD 40 DEG C BREAKER ED FRAME WITH HIGH BREAKING CAPACITY (HED43B020). NON-INTERCHANGEABLE TRIP UNIT. NEMATYPE 1 ENCLOSURE SURFACE MOUNTED (E2N1S) WITH NEUTRAL (W53045). INCLUDES LINE AND LOAD SIDE LUGS (SA1E025) WIRE RANGE 14 - 10AWG (CU) / 12 - 10AWG (AL). ENCLOSURE DIMENSIONS (W x H x D) IN 7.50 x 16.72 x 5.06.