The ABB THQB32030 is a Q-Line miniature circuit breaker designed for reliable performance in residential and commercial applications. This 3-pole, 240V, 30A breaker features a thermal-magnetic trip mechanism with fixed long-time and instantaneous trip functions. Its compact, one-inch wide per pole design makes it suitable for load centers and lighting panels. Built with Quick-make / Quick-break mechanisms and common trip bars, it ensures safety and ease of use with clearly indicated trip status. The THQB32030 is also marked for HACR applications, offering versatility for various electrical distribution needs..The ABB THQB32030 is a 3-pole, 30 Amp, 240 Volt miniature circuit breaker from the Q-Line series. It utilizes a thermal-magnetic trip function with fixed long-time and instantaneous settings. The breaker has an interrupting rating of 10 KAIC at 120V, 120/240V, and 240V. It is suitable for reverse feed applications and is marked for HACR use. The product line is TEY / Q-Line (Bolt-On) with a frame type of Q-Line. It has a GO Schedule of EB and is non-interchangeable.