SIEMENS LOW VOLTAGE SENTRON MOLDED CASE CIRCUIT BREAKER WITH THERMAL - MAGNETICTRIP UNIT. STANDARD 40 DEG C BREAKER ED FRAME WITH STANDARD BREAKING CAPACITY. 20A 3-POLE (18KAIC AT 600V) (25KAIC AT 480V). NON-INTERCHANGEABLE TRIP UNIT. SPECIAL FEATURES LINE AND LOAD SIDE LUGS (SA1E025) WIRE RANGE 14 - 10AWG (CU) / 12 - 10AWG (AL). ACCESSORIES INCLUDED (S11ED60). DIMENSIONS (W x H x D) IN 3.00 x 6.4 x 3.92.