The Siemens SENTRON 5SY8603-7 is a 4-pole (3P+N) miniature circuit breaker with a C tripping characteristic, rated 400 V AC at 50/60 Hz. The DC rating of 15 kA per IEC 60947-2 covers battery-backed UPS or solar combiner circuits, while the 5 kA per UL 1077 and CSA C22.2 No.235 covers North American supplementary protection applications.
Lifecycle and compliance documentation
The 5SY8603-7 carries a current lifecycle stage. Compliance documentation for RoHS, REACH, UL, and IEC is typical for the SENTRON line — the part carries IP20 protection (with connected conductors) and overvoltage category III, suitable for permanent installation in distribution boards.