Parameter Specification Manufacturer / Series Eaton, NZM Series Model Number NZMB2-A125-NA Product Type Miniature Circuit Breaker (MCB) Pole Configuration 2-Pole Rated Current (In) 125 A Trip Curve Characteristic B Characteristic (General Purpose) Rated Operational Voltage (Ue) 230/400V AC Rated Insulation Voltage (Ui) 500V AC Rated Frequency 50/60 Hz Breaking Capacity (Icu) 10 kA at 230/400V AC (IEC 60898) / 25 kA at 400V AC (IEC 60947-2) * Standards Compliance IEC 60898-1, IEC 60947-2 Mounting Fixed Mounting (on DIN Rail TH35-7.5) Electrical Life 6,000 cycles Mechanical Life 20,000 cycles Ambient Temperature -25°C to +70°C (Derating above 40°C) Torque Specification Typically 2.0 - 2.5 N·m