Siemens 3VA4150-4ED34-0AA0 is a 3‑pole Sentron molded case circuit breaker (MCCB) built on a 125 A UL frame and rated for 50 A In. It delivers a 25 kA short‑circuit breaking capacity at 480 V, with fixed terminal connections and a thermal‑magnetic trip unit (TM210, FTFM) set for Ir = 50 A and Ii = 10 × In. This compact MCCB is designed for distribution panels, switchgear, and motor control centers where reliable overload and fault protection in a 3‑phase package is required.
