The ABB THQL2140 is a Q-Line Miniature Circuit Breaker designed for reliable performance in residential and commercial applications. This compact, one-inch wide per pole breaker features a thermal-magnetic trip mechanism and a Quick-make/Quick-break design for enhanced safety and ease of use. With clear trip indication and common trip bars, it ensures operational reliability. The THQL2140 is suitable for reverse feed applications and is HACR rated, making it a versatile choice for various electrical distribution needs..The ABB THQL2140 is a 2-pole miniature circuit breaker from the Q-Line series. It operates with a system voltage of 120/240 Vac and has a fixed thermal-magnetic trip function (LI). The breaker has a continuous current rating of Standard and an amperage of 40A. Its interrupting rating is 10 KAIC at both 120 Vac and 120/240 Vac. The device is non-interchangeable and features a plug-on mounting style. It is suitable for reverse feed and is marked for HACR applications. The UL file number is E11592, and it is GSA compliant.