Specifications Specification Typical Value / Description Product Family ComPacT NSX new generation MCCB Device Type Molded Case Circuit Breaker (MCCB) Model / Series Name NSX630N Poles 3‑pole (3P) Rated Current (In) 500 A (with Micrologic 1.3M trip unit)‑65 °C base rating; 630 A (with higher‑rated trip unit)‑40 °C base rating (varies by specific part) Trip Unit Type Electronic (e.g., Micrologic 1.3M, 2.3, 5.3B) depending on variant Protection Functions (Trip Unit) Adjustable long‑time, short‑time, instantaneous (varies by Micrologic family), and optional earth‑leakage where applicable Rated Operational Voltage (Ue) 690 V AC, 50/60 Hz Rated Insulation Voltage (Ui) 800 V AC Rated Impulse Withstand Voltage (Uimp) 8 kV Utilisation Category Category A (general distribution) Suitability for Isolation Yes (manual isolation per IEC/EN 60947‑2) Rated Ultimate Short‑Circuit Breaking Capacity (Icu) • ~85 kA @ 220–240 V AC • ~50 kA @ 380–415 V AC • ~42 kA @ 440 V AC • ~30 kA @ 500 V AC • ~22 kA @ 525 V AC • ~10 kA @ 660–690 V AC (all per IEC/EN 60947‑2) Rated Service Short‑Circuit Breaking Capacity (Ics) Same values as Icu at corresponding voltages Breaking Capacity Code N (50 kA @ 415 V AC) designation typical Mounting Mode Fixed panel mounting Control / Operation Manual toggle/operator or optional motorized actuator accessory Standards Compliance IEC/EN 60947‑2 (MCCB standard)