The Siemens 5SY4563-7CC11 is a miniature circuit breaker built for railway applications, rated 230 V with a 10 kA breaking capacity, 1+N-pole configuration, C-curve, and 63 A current rating. The 1+N-pole design switches both the line and neutral, which is standard for single-phase branch circuits where isolating the neutral is required by the installation standard. The 230 V rating and 10 kA short-circuit capacity are matched to typical railway auxiliary supply systems (single-phase 230 V AC derived from the train line or station supply).
The 1+N module width (roughly 2 modules) fits the same footprint as other Siemens 5SY series breakers, so existing panel layouts and busbar arrangements carry over without rework.