The Siemens 5SN6204-8CP is a 2-pole miniature circuit breaker from the SENTRON 5SN series, rated for 400 V AC at 50 Hz. It carries a 6 kA breaking capacity per EN 60898 and a 30 kA rating per IEC 60947-2 — the higher figure governs industrial panel coordination where fault current can exceed residential levels.
Occupies 2 modular width units (36 mm wide) on a DIN rail, with a depth of 76 mm and an installation depth of 70 mm. Accepts solid conductors up to 35 mm².
DC-rated up to 72 V maximum, which covers control-circuit protection in 48 V or 60 V DC auxiliary supplies.
