Siemens 5SX22 is a molded‑case circuit breaker in the 5SX2 family that provides overcurrent protection for low‑voltage distribution panels. It is configured for two‑pole operation and is offered in variants such as 5SX22‑C8, rated at 8 A and 400 VAC, as well as DIN‑rail mounted versions like 5SX22‑D3 for compact control enclosures. This device interrupts fault currents to protect wiring and equipment in electrical distribution systems, with the 5SX2 series designed to integrate with Siemens panels and accessories.
