The Siemens 5SL6116-7BB is a SENTRON 5SL6 miniature circuit breaker (MCB) — a 1-pole device with a C tripping characteristic, rated 16 A at 400 V AC, and a 6 kA breaking capacity per both EN 60898 and IEC 60947-2. Single-pole switching at 250 V AC single-phase or 400 V AC multi-phase (max 440 V). DC rated to 72 V max. Mechanical endurance is 10 000 switching cycles typical — fine for panel isolation duty, not a daily-switched load contactor. Mounting position any, so it fits vertical or horizontal busbar configurations. IP20 with connected conductors.
For BOM freeze or second-source planning, the 5SL6016-7KL is the closest functional peer within the same 5SL6 family — same 1-pole C16, same 6 kA rating.
Width 18 mm (1 MW) leaves room for adjacent breakers in a multi-pole assembly. Height 90 mm. Rated for ambient -40 °C to +75 °C, pollution degree 2, overvoltage category III. Sealable design allows lockout/tagout (LOTO) with a hasp or clip. Touch protection integrated per the product feature.