The Siemens 5SN6102-7CP is a 1-pole miniature circuit breaker from the SENTRON 5SN series, rated for 400 V AC and 72 V DC. It carries a 6 kA breaking capacity per EN 60898 and a 30 kA rating per IEC 60947-2 — the IEC figure governs its use in industrial panels where fault currents can be higher than residential infrastructure.
Occupies a single modular width unit (18 mm) on standard DIN rail, with a depth of 76 mm and installation depth of 70 mm. The 90 mm height fits standard enclosure cutouts. Accepts solid conductors up to 35 mm², which covers most branch-circuit feeds up to the breaker's ampacity.
The dual breaking-capacity rating matters for panel coordination: 6 kA per EN 60898 covers the residential and light commercial duty, while 30 kA per IEC 60947-2 gives the headroom needed when the breaker sits downstream of a transformer or in an industrial distribution board with high prospective fault current.