The Siemens SENTRON 5SL6332-7 is a 3-pole miniature circuit breaker (MCB) with a C-tripping characteristic, rated at 32 A and 400 V AC. It provides 6 kA breaking capacity per both EN 60898 and IEC 60947-2, covering residential and infrastructure branch-circuit protection.
The 6 kA SCCR at 400 V is sufficient for most residential and light commercial service-entrance panels; if your fault current exceeds that, step up to the 10 kA variant 5SL4363-7, which shares the same footprint and mounting. At 32 A per pole, this breaker handles a 3-phase load up to roughly 22 kVA at 400 V. The 3.1 W power loss per pole in hot state means the total heat dissipation is about 9.3 W — factor that into your enclosure thermal budget, especially if you're packing multiple breakers side by side.
The 5SL6332-7 occupies 3 modular width units (54 mm total) on a standard DIN rail. The sealable design and halogen-free / silicon-free construction matter for installations with strict material compatibility requirements (e.g., clean rooms, marine).