The ABB THQB2115 is a compact, thermal-magnetic circuit breaker designed for reliable performance in residential and commercial applications. Part of the Q-Line series, this 2-pole breaker features a Quick-make / Quick-break mechanism, common trip bars, and clear trip indication for enhanced safety. It is a bolt-on version suitable for load centers and lighting panels, offering dependable circuit protection..The ABB THQB2115 is a 2-pole, 15 Amp circuit breaker operating at 120/240 Vac. It features a thermal-magnetic trip technology with fixed long-time and instantaneous trip functions. The breaker has a 10 KAIC interrupting rating at both 120V and 120/240V. It is suitable for reverse feed applications and is marked for HACR (Heat-Actuated Current Relay) use. The wire range for copper and aluminum is 14-8 kcmil / 12-8 kcmil respectively. This breaker is GSA compliant and has UL file number E11592.