The Siemens 3VA2325-7MS32-0AH0 is an IEC frame 400 circuit breaker, 3-pole, rated In=250A with a breaking capacity class C and Icu=110kA at 415V. It uses an ETU310M electronic trip unit configured for starter protection — meaning it provides short-circuit protection only (no overload protection built into the breaker itself), with an adjustable instantaneous pickup Ii=3...15 x In. That 110kA interrupting rating at 415V tells you it can safely clear a fault up to that level without upstream devices needing to coordinate, which is critical for high-fault-current industrial panels.
The breaker ships with a nut keeper kit, two auxiliary switches, and one trip alarm switch — all factory-fitted. The auxiliary switches signal breaker position (open/closed) to a PLC or status lamp; the trip alarm switch indicates a fault trip, not a manual open. Mounts in standard switchgear cubicles on the IEC frame 400 footprint. The ETU310M is field-adjustable for the short-circuit pickup range, so you can dial it in per the motor or feeder starting inrush without swapping trip units.
