Siemens Q22030CT tandem/quadplex circuit breakers (20A inner poles/30A outer poles) deliver thermal-magnetic protection for mixed 120/240V loads in Siemens load centers at 10kAIC rating. These space-saving 2-inch units with plug-in lugs support #14-6 AWG Cu/Al wire for appliances, subpanels, or lighting, featuring a common trip for balanced operation per UL standards in residential panels. | Siemens | | 20/30 amps Standard 3-Pole Circuit Breaker | Best Buy