The Siemens 5SL4450-8CC is a 4-pole miniature circuit breaker (MCB) rated for 400 V with a 10 kA breaking capacity, D-curve trip characteristic, and 50 A rated current.
RoHS compliant since 01-06-13. The product class is B — return restricted, meaning Siemens requires direct partner contact for returns or warranty claims, not a standard distributor RMA process.
