Parameters: Parameter Value / Description Frame Size (Iu) 250 A Rated Current (In) 225 A (The long-time protection setting Ir is adjustable, typically within 0.4 to 1.0 x In). Number of Poles 3 Tripping Unit Type Intelligent Electronic Micrologic MA (Protection, Measurement & Embedded Communication). Communication Protocol Modbus RTU over a built-in RS-485 serial interface. Rated Operational Voltage (Ue) 400 V AC (3-phase) Rated Insulation Voltage (Ui) 690 V Rated Ultimate Breaking Capacity (Icu) 50 kA at 400V AC (IEC 60947-2) [Specific level (e.g., N, H) to be confirmed by catalog]. Rated Service Breaking Capacity (Ics) 100% of Icu (IEC 60947-2 Category B). Protection Functions L - Long-time delay (Adjustable Ir, tr), S - Short-time delay (Adjustable Isd, tsd), I - Instantaneous (Adjustable Ii). Ground fault (G) protection is typically an optional add-on module. Measurement & Monitoring (via Modbus) Real-time Values: Phase currents (IL1, IL2, IL3), Voltages, Frequency, Power (kW, kVAR, kVA), Power Factor. Energy Data: Active & Reactive Energy (kWh, kVARh). Alarms & Events: Overload pre-alarm, phase imbalance, event logging with time-stamp. Standard IEC 60947-2 Mounting Fixed mounting on a dedicated base. Connection Front connection with screw-clamp terminals, suitable for busbar or cable lug connection. Width 135 mm (4.5 DIN modules)