The Siemens 5SY3214-7 is a 2-pole miniature circuit breaker from the SENTRON 5SY3 series, rated 0.3 A with a C tripping characteristic. It protects branch circuits against overload and short-circuit at 400 V AC, with a breaking capacity of 4.5 kA per EN 60898 and 6 kA per IEC 60947-2.
IP20 protection (with connected conductors) is typical for enclosed panel use.
