The Siemens 5SY4505-8CC11 is a SENTRON miniature circuit breaker with a D tripping characteristic, rated 0.5 A at 230 V AC (single-phase, 1P+N). The 1P+N configuration switches the phase and switches the neutral, not just disconnects it. Designed for railway applications and general mechanical engineering / industry panels. IP20 with connected conductors.
Tightening torque spec is 2.5–3.5 N·m. Sealable, touch-protected, halogen-free and silicon-free construction.
