The CARLO GAVAZZI GMB63 series of miniature circuit breakers provides reliable branch circuit protection for a variety of applications, including 240VAC and 480Y/277VAC systems. These breakers incorporate both bimetallic and magnetic elements for comprehensive overload and short circuit protection. Available in 1, 2, and 3-pole configurations with amperage ratings up to 63A, the GMB63 series offers flexibility for diverse electrical installations. They are UL 489 certified and suitable for supplementary or branch circuit protection.