Maximize your panel space with the ABB THQLQ204020 Quadplex Miniature Circuit Breaker. This high-density solution combines two 20A single-pole circuits and one 40A double-pole circuit into a compact two-pole footprint, ideal for residential and commercial applications where space efficiency is key. Its plug-on design ensures easy installation in ABB ReliaHome and GE PowerMark series panelboards, even those without wing stabs. Experience reliable thermal-magnetic protection with a 10 kAIC interrupting capacity at 120/240V..The ABB THQLQ204020 is a 4-pole, 1-phase quadplex miniature circuit breaker designed for high-density power distribution. It features two 20A single-pole circuits and one 40A double-pole circuit, all within a compact two-pole footprint. The breaker offers a 10 kAIC interrupting capacity at 120/240V and utilizes thermal-magnetic trip technology with fixed long-time and instantaneous trip functions. It is suitable for reverse feed and has a plug-on mounting style with box lug terminals. The wire range accommodates copper and aluminum conductors, with specific ranges for the 40A pole. It is compatible with ABB ReliaHome and GE PowerMark Gold/Plus load centers.