Rating and deployment context
The Siemens 5SL6114-8CC is a 1-pole miniature circuit breaker rated at 0.3 A with a D tripping characteristic, breaking 6 kA at 230/400 V AC. At 0.3 A this is a low-current branch protection device, not a main feeder breaker.
Listed as current production (Active). The 5SL series remains a standard Siemens panel component, widely specified in European-origin distribution boards and sub-distribution panels.
RoHS compliant since June 1, 2013. No UL or CSA listing appears in the available data; verify local code acceptance for installations outside IEC 60898 jurisdictions.