ABB THHQB1140

The ABB THHQB1140 circuit breaker is a solid choice for handling residential and commercial electrical needs. Part of the Q Line series, these breakers are designed with a compact, one-inch-wide per pole profile, making them space-efficient without sacrificing performance. This particular model is a bolt-on type, allowing for secure attachment to bus connections in load centers and lighting panels.

What makes the Q Line breakers stand out is their Quick-make / Quick-break mechanism, which helps ensure reliable operation, along with common trip bars and clear trip indicators for added safety. You can find these breakers in 1, 2, or 3-pole configurations, and they can be equipped with auxiliary contacts or shunt trip accessories if your setup calls for it. They’re even suitable for HID applications, making them pretty versatile.

You might hear this breaker casually referred to by its catalog number or older part numbers like 783164118285. Distributed by BSP Automation, the ABB THHQB1140 offers dependable protection with a compact footprint—definitely a savvy pick for your electrical setup.