Siemens 5SY4305-5 — 0.5 A SENTRON MCB, Characteristic A, 3-Pole
The Siemens 5SY4305-5 is a 3-pole miniature circuit breaker from the SENTRON 5SY4 series, rated at 0.5 A with tripping characteristic A. It is designed for 400 V AC systems and provides a breaking capacity of 10 kA per EN 60898 and 35 kA per IEC 60947-2, with a DC rating of 15 kA per IEC 60947-2 and 5 kA per UL 1077 / CSA C22.2 No.235. The IP20 rating applies with connected conductors; the enclosure is sealable and halogen- and silicon-free, suited for controlled industrial environments.
Integration & Compliance
Compliance documentation available includes the EN 60898 and IEC 60947-2 certifications for breaking capacity, plus UL 1077 and CSA C22.2 No.235 listing for North American acceptance. The part is halogen-free and silicon-free, supporting RoHS/REACH alignment typical of Siemens SENTRON components.