The Eaton BQC230240 Quad Plug-On Circuit Breaker is a 30–40 A black unit with a common-trip mechanism, designed for quad-pole plug-on protection. As part of the Eaton BQ family, it provides coordinated interruption across all poles in a single device for multi-circuit safety. The model designation BQC230240 identifies this quad plug-on breaker within Eaton's BQ product line.
