Technical Data: Series: Emax 3 (E3) - Latest generation Variant: N (New Design) - Optimized for sustainability (smaller size, lower losses). Frame Size: E3N frame for high-current ratings. Rated Current (In): 2500 A (Continuous current rating of the breaker's main contacts and conductors). Rated Ultimate Breaking Capacity (Icu): Typically 150 kA at 400/415V AC (Note: The exact Icu for the 2500A E3N frame must be verified from the catalog as it can vary, but it is an extremely high value, e.g., 150kA or 200kA). Number of Poles: 3 Poles (3P). Trip Unit: PR121/LSI - Advanced Digital Trip Unit. Core Protection Functions (Fully Adjustable): L - Overload Protection: Adjustable Ir (0.4 to 1.0 x In) and time delay tr. S - Short-Time Protection: Adjustable Isd (1.5 to 15 x Ir) with selectable time delay curve (I²t ON/OFF) for precise coordination with downstream devices. I - Instantaneous Protection: Adjustable Ii threshold for clearing high-magnitude, non-selective short-circuits. Measurement & Monitoring: The PR121 unit provides real-time measurement of current, voltage, power, and energy. Communication Ready: The PR121 unit is standardly equipped with an embedded Ethernet port (supporting Modbus TCP) for direct, easy integration into Building Management Systems (BMS) or Industrial SCADA without additional gateways. Mounting & Operation: Fixed Horizontal Draw-Out (FHR). Features a stored-energy spring operating mechanism for reliable "Close-Open" (CO) or "Open-Close-Open" (O-CO) duty cycles. Includes an electric spring charging motor and can be equipped with optional closing solenoid and shunt trip. The draw-out mechanism allows for safe racking between CONNECTED, TEST, and DISCONNECTED positions. Auxiliaries: Comes with a standard set of auxiliary contacts for status signaling. Options include additional contacts, undervoltage release, and mechanical key interlocks. Standards Compliance: IEC/EN 60947-2, UL 1066, CSA C22.2 No. 5.