The Siemens SENTRON 5SJ6306-6 is a 3-pole miniature circuit breaker rated 6 A with a B tripping characteristic, designed for 400 V AC systems. Its 6 kA breaking capacity meets both EN 60898 and IEC 60947-2 standards, so it handles typical branch-circuit fault levels in residential and light commercial panels without coordination headaches.
Panel integration
It accepts solid or stranded conductors from 0.75 to 25 mm², and the terminals are sealable — useful for installations that require tamper-proofing after commissioning. The IP20 rating applies only with connected conductors, so the panel enclosure provides the environmental seal. Ambient temperature range is -20 to +45 °C operating, with storage from -40 to +75 °C. The unit is halogen-free and silicon-free, meeting low-smoke and zero-halogen requirements for public-building or transit applications.