The Siemens 5SL3602-7 is a SENTRON 5SL3-series miniature circuit breaker — 4-pole, 3P+N, with a C-curve trip characteristic and a 2 A rated current at 400 V AC.
Wire terminals accept 0.75 to 25 mm² solid or stranded copper, tightened to 2.5–3 N·m. The neutral pole switches (3P+N), so you get a switched neutral on the same frame — no separate N bar needed downstream.
Siemens rates this breaker for residential buildings and infrastructure — think apartment risers, small commercial subpanels, or lighting and receptacle circuits in a light industrial setting. The 2 A rating is low for a main breaker; it's sized for a subfeed or a dedicated branch like a control transformer primary, a small pump motor, or a bank of LED drivers.