Technical Parameters Parameter Specification Product Series Eaton NZM1 Product Type Programmable Electronic Trip Unit (Release) for Air Circuit Breaker Rated Current (In) of Frame 1300 A (This is the fixed rating for this specific trip unit) Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Rated Frequency 50/60 Hz Protection Functions L (Long-time Overload), S (Short-time), I (Instantaneous), G (Ground Fault) Setting Adjustment Programmable via USB connection and dedicated software (e.g., Eaton's NZM Configurator) Communication Interface USB Port for local configuration and monitoring Short-Circuit Breaking Capacity (Icu) Dependent on the complete NZM1 breaker assembly, typically very high (e.g., 50kA to 100kA at 400V). Must be verified from the breaker frame's datasheet. Display Typically includes an LCD or LED display for status and fault indication Mounting Integrated into a compatible NZM1 circuit breaker frame Standards Compliance IEC 60947-2, UL 1066, CSA 22.2