The Siemens SENTRON 5SL6150-7CC is a 1-pole miniature circuit breaker rated 50 A with a C tripping characteristic and a 6 kA breaking capacity per EN 60898.
The C-curve (5–10× In magnetic trip) handles the inrush of small motors and transformers without nuisance tripping, while the 3.6 W power loss per pole at rated current in hot state is within the typical thermal budget for a 1 MWU enclosure.
DC and environmental ratings
Rated for DC operation up to 72 V maximum, this MCB can serve DC branch circuits in control panels or PV combiner boxes within that voltage limit.