Parameters: Parameter Value / Description Product Series / Frame Size Acti 9 iEZ, 250A Frame (EZD250M) Rated Current (In) 250 A (Set via the intelligent trip unit). Number of Poles 3 Breaking Capacity Standard (N Rating) Rated Ultimate Breaking Capacity (Icu) Typically 50 kA at 400/415V AC (IEC 60947-2). Rated Operational Voltage (Ue) 400/415 V AC (3-phase) Tripping Unit Type Intelligent Electronic Micrologic "M" Series (e.g., MA for Modbus, ME for Energy). This unit includes protection, measurement, and communication. Communication Protocol Modbus RTU over built-in RS-485 (standard for "MA" variants). 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 (iVigi). Measurement & Monitoring Comprehensive: Phase currents (IL1, IL2, IL3), Voltage, Frequency, Power (kW, kVAR, kVA), Power Factor, Energy (kWh, kVARh), Alarms, Event Logging. Standard IEC 60947-2 Mounting Fixed mounting on a dedicated base (included). Connection Front connection with screw-clamp terminals for busbar or cable lug. Width 135 mm (4.5 DIN modules)