Siemens 5SX23 is a three‑pole DIN rail circuit breaker rated for 400 V AC with a 16 A current setting, designed to protect three‑phase loads in industrial control panels. As part of the 5SX23 family, it is built for DIN‑rail mounting in standard enclosures and used to provide reliable overcurrent protection for 3‑phase feeders and motors in industrial applications. This compact protection device fits typical industrial distribution schemes where compact, modular DIN rail mounted breakers are needed.
