The ABB THQC2120 is a compact, one-inch-wide circuit breaker from the Q Line series, designed to fit both residential and commercial setups with ease. This thermal-magnetic device offers reliable protection and is specifically a lug-to-lug model, making it ideal for installation on 35mm DIN rails. Known for its space-saving design, this breaker packs a punch while keeping your system safe and sound. Distributed by BSP Automation, the THQC2120 is a solid choice when you need dependable circuit protection without the bulk—basically, a real workhorse in a small package.