Specifications General Product Range: ComPacT NSX F-Frame Device Type: 4-Pole Molded Case Circuit Breaker (MCCB) Number of Poles: 4 (three phases + neutral) Rated Current (In): 630 A at 40 °C Mounting Type: Fixed panel mounting Application: Low-voltage three-phase distribution protection Electrical Ratings Rated Operational Voltage (Ue): Up to 690 V AC Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): ~800 V AC Rated Impulse Withstand (Uimp): ~8 kV Utilisation Category: Category A Protection & Trip Unit Trip Unit: Micrologic 5.3E electronic protection Technology: Electronic digital trip unit Protection Functions: L — Long-time (overload) protection S — Short-time overcurrent protection I — Instantaneous short-circuit protection LSI: Indicates combined overload, short-time and instantaneous protection Adjustable Settings Long-time pickup (Ir): Adjustable Long-time delay: Adjustable Short-time pickup (Isd): Adjustable Instantaneous: Adjustable via trip unit settings Thermal memory: Maintains thermal history before and after trip Breaking Capacity & Performance High breaking capacity suitable for industrial and commercial low-voltage systems Provides reliable interruption of fault currents for system protection Detailed breaking capacity values depend on installation voltage and coordination settings Mechanical & Environmental Control Operation: Manual toggle or handle Terminal Connection: Screw/clamp type Mechanical Durability: Designed for repeated operations Neutral Disconnection: Full four-pole disconnection for safety Installation: Suitable for distribution boards, switchboards, and panel systems