The ABB / General Electric THQP240 is a compact, 40-amp, two-pole miniature circuit breaker from the Q-Line family, designed for residential power distribution. Its space-saving half-inch per pole design allows for maximized circuit capacity in tight spaces. This plug-on breaker easily mounts into GE PowerMark Gold and Q-Line load centers. It features reliable thermal-magnetic trip technology and accepts 8-4 AWG copper or aluminum wiring through standard box lug terminals, ensuring safety and performance for your electrical needs..This ABB / General Electric THQP240 is a 2-pole, 40A miniature circuit breaker operating at 120/240VAC. It offers a 10kAIC interruption rating and utilizes thermal-magnetic trip technology with fixed long-time and instantaneous trip functions. The breaker is designed for plug-on mounting and accepts 8-4 AWG copper or aluminum wire via box lug terminals. It is UL/CUL listed and CSA approved.