Siemens 5SX22 D25 is a two-pole molded‑case circuit breaker for 400 V AC systems, rated at 25 A to protect feeders and branch circuits in distribution panels and control cabinets. This 2‑pole device from the 5SX family is engineered to interrupt fault currents and overloads, with a short‑circuit breaking capacity of up to 6 kA at 400 V, making it suitable for light to medium‑duty industrial and commercial installations. The compact MCCB construction supports reliable protection within Siemens panel ecosystems and standard electrical enclosures, delivering dependable 400 V‑rated protection for wired circuits.
