The ABB THQP230 is a compact, space-saving Q-Line Plug-In circuit breaker designed for residential and commercial applications. This 30A, 2-pole breaker is ideal for heavy-duty loads such as electric dryers, water heaters, and HVAC equipment. Its half-size design allows two poles to fit within a single one-inch space, making it a perfect fit for GE PowerMark Gold or Plus load centers. Featuring Quick-make / Quick-break mechanisms, common trip bars, and easy-to-spot trip indication, the THQP230 ensures safety and reliability. It serves as an exact substitute for older TQP230 models..The ABB THQP230 is a 2-pole, 30A thermal-magnetic circuit breaker operating at 120/240VAC. It features a Q-Line Plug-In design with a 10,000 AIC interruption rating. The breaker is compatible with wire sizes ranging from 8 to 4 AWG (Cu/Al) and utilizes a plug-on mounting style with box lug terminals. It is UL/CUL listed and CSA approved, suitable for HACR applications.