The ABB THQB1120 is a 20 Amp, 1-pole miniature industrial circuit breaker designed for bolt-on installation. Part of the Q-Line series, this breaker offers reliable protection by interrupting current during fault conditions and is rated for 10 kAIC at 120/240 VAC. Unlike plug-in or unit-mount breakers, the THQB series is secured firmly into panelboards and load centers, providing enhanced stability. Its connection via bus bars simplifies wiring by eliminating pigtail wires, which makes for a neater and more organized setup. This breaker is UL listed and suitable for HACR applications, including heating, air conditioning, and refrigeration systems. Distributed by BSP Automation, the THQB1120 is a solid choice for industrial environments where dependable circuit protection is a must. In a nutshell, it’s a reliable workhorse that keeps things running smoothly.