QBHW2055

The QBHW2055 is a molded case miniature circuit breaker from the Eaton Cutler-Hammer Quicklag series, engineered for reliable branch circuit protection in commercial and light industrial applications. This model features a 2-pole configuration, a current rating of 55A, and is rated for operation up to 240V AC. The QBHW2055 utilizes a Thermal Magnetic trip unit with a fixed trip setting, providing both overload and short-circuit protection. Its bolt-on mounting design ensures secure installation in compatible panelboards, and it supports wire sizes from 8 to 1/0 AWG for both copper and aluminum conductors. The breaker is HACR rated, making it suitable for air conditioning, heating, and refrigeration circuits.

The Quicklag series, including the QBHW2055, is recognized for its robust construction and long service life, particularly in installations where bolt-on reliability is preferred over plug-in breakers. Since its introduction, this series has been widely used in commercial facilities, schools, and industrial sites requiring high interrupting capacity and dependable performance. The QBHW2055 offers an interrupting (AIC) rating of 22kA@240V, meeting UL 489 and CSA standards for safety and performance.

For projects demanding durable circuit protection and straightforward panel integration, the QBHW2055 provides a proven solution with essential safety features. You can find the QBHW2055 at Electrical.com, your reliable partner for industrial and commercial electrical products. Our selection includes trusted breakers from manufacturers like Eaton, Cutler-Hammer and Westinghouse backed by a dedicated sales team ready to assist with technical questions, product selection, and support.