The Siemens 5SY4550-6 is a SENTRON 5SY4 miniature circuit breaker rated 50 A at 230 V AC, 2-pole in a 1P+N configuration. UL 1077 / CSA recognized at 5 kA for North American supplementary protection applications.
IP20 with conductors connected — standard for enclosed distribution boards. Combined top and bottom terminals simplify busbar and cable routing. Touch protection is integrated.
Halogen-free and silicon-free construction. Pollution degree 3, overvoltage category III. Energy limiting class 3. The lifecycle stage is current — this is an active catalog item, not a phase-out.