Siemens 5SY4316-7 Molded Case Circuit Breaker

Siemens 5SY4316-7 is a three-pole molded case circuit breaker from the SENTRON family, rated for 16 A at 400 V AC with a 10 kA short-circuit breaking capacity and a C-type tripping characteristic, providing reliable overload and short‑circuit protection for multi‑phase circuits. Designed for DIN-rail installation in low‑voltage distribution panels, it offers a mechanical service life of about 20,000 switching cycles and fits a compact enclosure profile (approximately 90 mm high, 54 mm wide, and 76 mm deep). This model supports multi‑phase operation at 400 V and is intended to protect three‑phase feeders and other multi‑phase circuits in industrial, commercial, or residential panelboards where dependable isolation and clear, fast tripping are required.