Technical Parameters Parameter Category Description / Value Brand & Series Eaton, LZMC Series Model Number LZMC3-A400 Number of Poles 3-Pole Rated Current 400 A (Frame Size) Rated Operational Voltage (Ue) Up to 690V AC Breaking Capacity High interrupting capacity (Specific kA rating depends on voltage - typically 35-65kA range) Trip Unit Type Type A - Adjustable Electronic Trip Unit Protection Functions L - Long-time Delay (Overload) S - Short-time Delay (Short-Circuit) I - Instantaneous (Short-Circuit) Standards Compliance IEC 60947-2
