The Siemens 5SY4106-7CC is a 1-pole SENTRON miniature circuit breaker with a C-curve tripping characteristic, rated for AC operation at 400 V (single-phase and multi-phase) and 50/60 Hz. Its 10 kA breaking capacity per EN 60898 covers the vast majority of commercial and light industrial panel applications; the UL 1077 / CSA C22.2 No. 235 rating of 5 kA means it also fits North American supplementary-protection jobs. The DC rating tops out at 72 V, so it handles control-circuit protection in 48 V or 60 V DC rails.
Installation depth is 70 mm; the overall depth including terminals is 76 mm — factor that into gland-plate clearance if you're packing a dense row. IP20 with connected conductors is the norm inside a closed enclosure; no washdown rating here.
Environmental and compliance specs
The operating temperature range spans -40 °C to 75 °C, with humidity derating above 55 °C (95% RH at 55 °C, dropping to 35% at 75 °C). Vibration resistance per IEC 60068-2-6 covers ±1 mm at 5–25 Hz and 50 m/s² at 25–150 Hz, so it holds up on conveyor drives and compressor skids.