What it is and what it does
The Siemens SENTRON 5SL4110-7RC is a 1-pole miniature circuit breaker with a C tripping characteristic, rated 10 A at 240/415 V AC. Its 10 kA breaking capacity per EN 60898 means it can safely interrupt fault currents up to 10 kA — enough for residential and light commercial distribution boards where the prospective short-circuit current stays under that threshold. The C-curve (5–10× In) handles moderate inrush from motor starters and capacitor banks without nuisance tripping, while still clearing overloads quickly.
Fit and panel integration
This MCB snaps onto a standard 35 mm DIN rail. At 18 mm wide (1 modular unit), it fits a single-pole slot in any SENTRON distribution board. Depth is 76 mm including the rail, with 70 mm installation depth behind the panel cover. Mounting position is any — no derating for horizontal or inverted orientation. IP20 with connected conductors protects against finger contact inside the enclosure; not rated for wet environments.