Bolt On Circuit Breaker 20 Amps Number of Poles 1 Circuit Breaker Type Standard AC Voltage Rating 277VAC DC Voltage Rating Not Rated For Use With Square D NF Panelboards Series EDB Terminal Connection Lug Max AIR Rating 18 kA Frame Size 70A/EDB Min Wire Size 14 AWG (Cu) 12 AWG (Al) Max Wire Size 6 AWG Length 5.70 In. Width 1.00 In. Depth 4.05 In. Standards UL Listed CSA Certified CE NOM 117 Certified