Specifications Parameter Specification Product Range Compact NSX (EZD Series) Device Type Molded Case Circuit Breaker (MCCB) Model EZD160E Poles 4-Pole (4P) Rated Operational Current (Iu) 225 Amperes (A) Frame Size 160A Rated Ultimate Breaking Capacity (Icu) @ 415V AC Type E: Typically 36 kA or 50 kA (depending on specific version and voltage) Rated Service Breaking Capacity (Ics) Typically 100% of Icu Rated Insulation Voltage (Ui) 690V AC / 750V DC Rated Operational Voltage (Ue) 690V AC / 250V DC Trip Unit Options Thermal-Magnetic (TM-D/MA) or Electronic (Micrologic 2.0-6.0 series) Utilization Category A (for selectivity) Standards Compliance IEC/EN 60947-2, UL 489, CSA C22.2 No. 5 Electrical Durability Up to 8,000 operations at rated current Mechanical Durability Up to 20,000 operations Terminal Types Front or rear connection; suitable for busbars or cables Torque Specifications Dependent on terminal type and conductor material (refer to installation manual) Mounting Options Fixed, Plug-in, or Drawout Modular Width Approximately 144mm (4 x 36mm modules) Ambient Temperature Range -25°C to +70°C (operation) Pollution Degree PD3 Overvoltage Category Category IV