Technical Parameters Parameter Category Description / Value Brand & Series Eaton, NZM Series Model Number NZMB1-4-A125 Rated Current 125 A (Frame Size) Poles 4-Pole Rated Operational Voltage (Ue) Up to 690V AC Rated Insulation Voltage (Ui) 800V AC 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) Breaking Capacity (Icu) High interrupting capacity (e.g., 25kA, 35kA, or higher depending on specific rating and voltage) Standards Compliance IEC 60947-2
