The CARLO GAVAZZI GMB63 series miniature circuit breakers provide reliable branch circuit protection for a variety of applications, including 240VAC and 480Y/277VAC systems. These MCBs incorporate a bimetallic element for handling small overloads and a magnetic element for short-circuit protection, ensuring comprehensive circuit safeguarding. They are available in 1, 2, and 3-pole configurations with amperage ratings up to 63A and offer both lug and ring terminal options. The GMB63 series is UL 489 listed, guaranteeing adherence to stringent safety standards.