Square D Q4 molded case circuit breakers offer thermal magnetic protection for automatic opening of circuits under overload or short circuit conditions, and manual opening via Push-to-Trip, allowing safe shutdown without exposure to live parts. These breakers are suitable for various applications, including construction, commercial and industrial buildings, control equipment panels, and mines, and feature a 3-pole unit mount design with a 350A capacity at 240VAC, along with an interrupting rating of 25kA and UL 489 certification.