What this MCB does on the line
The Siemens 5SL4125-7CC is a 1-pole miniature circuit breaker from the SENTRON 5SL4 series, rated 25 A with a C tripping characteristic and a 10 kA breaking capacity per EN 60898. It protects branch circuits in residential and infrastructure panels against overload and short-circuit faults up to 400 V AC single-phase or 440 V AC multi-phase.
Panel fit and DIN-rail integration
Sealable per the evidence, which allows tamper-proofing in metered or secured installations.
Sourcing and compliance documentation
The manufacturer provides RoHS, REACH, and CE declarations as standard.