Bolt On Circuit Breaker 50 Amps Number of Poles 2 Circuit Breaker Type Standard AC Voltage Rating 120/240VAC DC Voltage Rating Not Rated For Use With Siemens Panelboards Series B Terminal Connection Lug Max AIR Rating 10 kA Frame Size 125A/BL Min Wire Size 8 AWG Max Wire Size 6 AWG (Cu) 4 AWG (Al) Length 3.57 In. Width 2.00 In. Depth 3.00 In. Standards UL Listed CSA Certified HACR Rated NOM Certified