' Bolt On Circuit Breaker, 20 Amps, Number of Poles 2, Circuit Breaker Type High Interrupting Capacity, AC Voltage Rating 120/240VAC, DC Voltage Rating Not Rated, For Use With Square D NQOD Panelboards, Series QOB, Terminal Connection Screw Clamp, Max. AIR Rating 22kA, Frame Size 100A/QO, Min. Wire Size 14 AWG, Max. Wire Size 8 AWG, Length 3.00 In., Width 1.50 In., Depth 2.91 In., Standards UL Listed, CSA Certified '