The Siemens 5SL4608-6 is a SENTRON 5SL4 series miniature circuit breaker — a 4-pole (3P+N) unit rated 8 A with a B tripping characteristic and a 10 kA breaking capacity per EN 60898 and IEC 60947-2. It's designed for residential and infrastructure branch-circuit protection, switching the neutral conductor as well as the three phases.
The 4-pole body occupies 4 width units (72 mm wide, 90 mm tall, 76 mm deep with 70 mm installation depth). Screw terminals accept solid or stranded conductors from 0.75 to 25 mm²; tighten to 2.5–3 N·m. IP20 with connected conductors.
Overvoltage category 3, energy limiting class 3.