Specifications Parameter Specification Product Range Masterpact NSX Device Type Air Circuit Breaker (ACB) Model NSX630S Pole Configuration 3-Pole (3P) Rated Current (In) 630 Amperes (A) Frame Size 630A Trip Unit Type Electronic (Micrologic 5.0-7.0) Rated Operational Voltage (Ue) Up to 690V AC Rated Insulation Voltage (Ui) 1000V AC Rated Ultimate Breaking Capacity (Icu) Typically 85-100 kA at 415V AC (depends on specific version) Rated Service Breaking Capacity (Ics) 100% of Icu Rated Short-Time Withstand Current (Icw) S Version Enhanced: 65 kA for 1 second (typical) Rated Making Capacity (Icm) Typically 187 kA (peak) at 415V AC Utilization Category A (for selectivity) Electrical Durability 10,000 operations at rated current Mechanical Durability 20,000 operations Control Voltage 24-230V AC/DC Trip Unit Options Micrologic 5.0A/6.0A/7.0A Protection Functions Overload (L), Short-circuit (S/I), Ground-fault (G) Communication Protocols Modbus, Ethernet, Profibus, DeviceNet (with modules) Mounting Drawout version (fixed available) Connection Type Front or rear, for busbars or cables Connection Capacity Up to 2×300mm² or 1×500mm² copper Dimensions (W×H×D) Approximately 315×480×355mm (drawout version) Weight Approximately 75-85kg Ambient Temperature -5°C to +60°C (operation) Altitude Up to 2000m without derating Standards Compliance IEC 60947-2, UL 1066, GB 14048.2