Siemens 5SY6104-7 is a SENTRON miniature circuit breaker (1‑pole) rated for 230/400 V AC, delivering 6 kA of short‑circuit breaking capacity and a rated current of 4 A, with a C‑curve trip characteristic. Encased in a compact unit (D ≈ 70 mm) suitable for DIN rail mounting, it provides single‑circuit overcurrent protection in distribution panels and similar enclosures. This device is intended for protective use on a 230/400 VAC supply, aligning with typical branch‑circuit protection needs in commercial or light industrial installations.
