MCB for final-subcircuit protection
The Siemens 5SY6010-7KV26 is a 1+N-pole miniature circuit breaker rated 230 V with a 6 kA breaking capacity, C-curve 10 A, neutral on the left, and a 70 mm depth.
The 70 mm depth fits standard DIN-rail enclosures used in final-distribution boards. The 1+N-pole configuration with neutral left matches the busbar arrangement common in European-style consumer units and sub-distribution panels. The C-curve 10 A rating is typical for general-purpose socket-outlet circuits, lighting circuits with higher inrush, or small motor loads up to about 2.5 kW at 230 V single-phase.