Siemens 5SL6516-7CC SENTRON MCB, 1P+N, C-16A, 6kA

The 5SL6516-7CC is a Siemens SENTRON miniature circuit breaker (MCB) with a C tripping characteristic, rated 16 A at 230 V AC, single-phase, 50/60 Hz. The C curve means it tolerates inrush currents 5–10× the rated current before tripping magnetically — suited for residential and light commercial loads like lighting circuits and general-purpose socket outlets where moderate inrush is expected. The 1P+N pole design switches the line conductor and disconnects the neutral; the neutral pole is not overcurrent-protected, so this fits single-phase final subcircuits where neutral switching is required by local code. Thermal derating is published: 16 A at 30 °C, 15.28 A at 40 °C, 14.91 A at 45 °C, 14.53 A at 50 °C, and 14.14 A at 55 °C. If the breaker is installed in a warm enclosure or adjacent to other heat-dissipating devices, use the 40 °C or 50 °C column to size the load — the 16 A nameplate rating is only valid at 30 °C ambient. DC rating is 72 V maximum, so it can also serve as a DC branch circuit protector in low-voltage control panels or PV combiner boxes, but only up to that voltage and with the appropriate DC derating applied.