Parameter Specification Manufacturer / Series Eaton, NZM Series Model Number NZMN3-ME350 Product Type Molded Case Circuit Breaker (MCCB) with Electronic Trip Unit Pole Configuration 3-Pole Rated Current (In) 350 A (The rated current is set via the trip unit) Trip Unit Type Electronic ("M" - Modular) Rated Operational Voltage (Ue) 400/415V AC Rated Insulation Voltage (Ui) 690V AC Adjustable Protections L (Long-Time), S (Short-Time), I (Instantaneous) Breaking Capacity (Icu) Very High (e.g., 70kA, 100kA, or 150kA at 400V AC). Must be verified from the datasheet. Current Limiting Class Class 3 (Very high current-limiting capability, as per IEC 60947-2) Power Supply Self-powered from the current path (No external AUX power required for basic trip function) Mounting Fixed Mounting Standards Compliance IEC 60947-2 Communication Capability Optional communication modules (e.g., for Modbus, Profibus) can typically be added.