Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZMS1-A125 Product Line NZM Rated Current (In) 125 A Poles 3 Frame Size NZMS1 Mounting Type Fixed Trip Unit Type Fixed Thermal-Magnetic (TMD) Rated Operational Voltage (Ue) 400/415 V AC 690 V AC Rated Insulation Voltage (Ui) 750 V / 1000 V AC Rated Frequency 50/60 Hz Rated Ultimate Breaking Capacity (Icu) e.g., 36 kA / 50 kA @ 400V (This is a CRITICAL detail that must be verified from the official datasheet) Accessories Can typically be fitted with auxiliary contacts, shunt trips, under-voltage releases, and rotary handles. Standards Compliance IEC 60947-2
