Plug In Circuit Breaker, Amps 20, Number of Poles 3, Circuit Breaker Type Ground Fault Equipment Protection (30mA), AC Voltage Rating 240VAC, DC Voltage Rating Not Rated, For Use With QO Load Centers and NQ Panelboards, Series QO, Terminal Connection Box Lug, Min. Wire Size 12 AWG, Max. Wire Size 6 AWG, Length 4.24 In., Width 2.25 In., Depth 2.91 In., Standards UL Listed, CSA Certified, Max. AIR Rating 10 kASpecifications:Depth: 2.91"Max. AIR Rating: 10 kAAmps: 20DC Voltage Rating: Not RatedItem: Plug In Circuit BreakerStandards: UL listed, CSA certifiedLength: 4.24"Circuit Breaker Type: Ground Fault Equipment Protection (30mA)For Use With: QO Load Centers and NQ PanelboardsWidth: 2.25"Number of Poles: 3Min. Wire Size: 12 AWGTerminal Connection: Box LugAC Voltage Rating: 240VACSeries: QOMax. Wire Size: 6 AWG