Siemens 5SL6163-7CC — SENTRON 1-pole MCB, C-curve, 63 A
The Siemens 5SL6163-7CC is a SENTRON miniature circuit breaker (MCB) for final-subcircuit protection in residential and infrastructure builds. One pole, C-trip characteristic, rated 63 A at 30 °C with a 6 kA breaking capacity per EN 60898 — enough for general-purpose socket and lighting circuits where moderate inrush from small motors or transformers is expected. The C-curve trips between 5× and 10× rated current, so a 63 A breaker clears a short-circuit fault at 315–630 A peak. On a 63 A resistive load at 40 °C the continuous rating drops to 58.09 A; at 50 °C it is 52.73 A — factor the derating if the panel runs warm. Single-pole switching, rated 250 V AC single-phase or up to 440 V AC multi-phase. The 18 mm width (1 MW unit) snaps onto standard DIN rail; mounting position is unrestricted, so it fits horizontal or vertical busbar layouts.
Integration and compliance
Depth 76 mm, height 90 mm, installation depth 70 mm. IP20 with connected conductors — protected against finger contact but not washdown; mount inside a closed panel. Vibration rated 50 m/s² at 25 to 150 Hz per IEC 60068-2-6, so it holds up on machine-mounted subpanels. Halogen-free and silicon-free construction, sealable (can be padlocked in OFF position). Overvoltage category III, pollution degree 2 — standard for fixed-installation distribution boards. Touch protection integrated on the busbar side.