Technical Parameters Parameter Category Specification / Value Brand Eaton Product Series NZM Product Model NZMN4-4AE800A Product Type 4-Pole Molded Case Circuit Breaker (MCCB) Number of Poles 4 Poles (3 Poles + Neutral) Rated Operational Voltage (Ue) 400 V AC Frame Size (Iu) 800 A Rated Current (In) 800 A (Fixed) Tripping Characteristic Fixed Thermal-Magnetic Rated Ultimate Breaking Capacity (Icu) at 400V 50 kA (IEC 60947-2) Trip Unit Type Fixed Thermal-Magnetic (Non-adjustable) Protection Functions Overload (Thermal), Short-Circuit (Magnetic) Mounting Fixed Installation Standards IEC 60947-2