Series 1100 miniature circuit breakers (MCBs) feature a 10-kA short-circuit current rating (SCCR). The line includes both UL 489 branch circuit breakers and UL 1077 supplementary protectors. It offers more than 500 unique configurations, including one-pole, one plus neutral, two, three and three plus neutral, with current ratings from 0.5 to 63 A, all with thermal and magnetic trip elements for overload and short-circuit protection. The MCBs are an all-in-one product, flexible for use in ac and dc applications. They are suitable for use per IEC 60947-2 and IEC 60898 and also are CE-marked.