Siemens 5SY7603-7 SENTRON Miniature Circuit Breaker — 4-Pole, C-Curve, 3 A
The Siemens 5SY7603-7 is a 4-pole (3P+N) miniature circuit breaker from the SENTRON 5SY7 series, rated 3 A at 400 V AC with a C tripping characteristic. Mounts on a DIN rail via the quick-assembly system, occupies 4 width units (72 mm), and accepts conductors from 0.75 mm² up to 35 mm² solid or stranded.
Integration Notes
Touch protection is built in (fingertip-safe terminals per the design). Sealable, halogen-free, silicon-free — suitable for clean-room or food-grade environments where outgassing is a concern.