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) 63 Amperes (A) Frame Size 160A Rated Ultimate Breaking Capacity (Icu) @ 415V AC Type E: Typically 36 kA or 50 kA (confirm against voltage) Rated Service Breaking Capacity (Ics) 100% of Icu Rated Insulation Voltage (Ui) 690V AC / 750V DC Rated Operational Voltage (Ue) 690V AC / 250V DC Rated Frequency 50/60 Hz Trip Unit Options Thermal-Magnetic (MA/TM-D) or Electronic (Micrologic 2.0-6.0 series) Protection Functions Overload (L), Short-circuit (I), Ground-fault (G - electronic only) 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 Connection Capacity Typically up to 2×35mm² or 1×70mm² copper cable Mounting Options Fixed, Plug-in, or Drawout Modular Width 144mm (4 × 36mm modules) Ambient Temperature -25°C to +70°C (operation) Standards Compliance IEC/EN 60947-2, UL 489, CCC, others Pollution Degree PD3 Overvoltage Category Category IV