The Schneider Electric Masterpact NSX630N TM is a high-current, three-pole, 500A molded case circuit breaker (MCCB) from the premium Masterpact NSX range. The "N" denotes its Standard breaking capacity,
Parameters:
Parameter Value / Description
Product Line / Frame Size Masterpact NSX630
Breaking Capacity Standard (N Rating)
Rated Ultimate Breaking Capacity (Icu) Typically 50 kA at 415V AC (IEC 60947-2).
Rated Current (In) 500 A (Fixed, non-adjustable thermal setting of the TM unit).
Number of Poles 3
Trip Unit Type Thermal-Magnetic (TM-D) – Fixed tripping characteristics. Provides:
• Thermal (Overload): Inverse time characteristic via bi-metal element.
• Magnetic (Short-Circuit): Instantaneous trip. No Ground Fault (G) protection.
Communication Capability None. The TM unit does not support embedded communication or measurement.
Rated Operational Voltage (Ue) Up to 690 V AC
Standard IEC 60947-2
Mounting Withdrawable (standard racking mechanism) or Fixed version.
Connection Front or Rear connection (depends on kit). Suitable for busbar or large cable lug connection.
Width Approx. 252 mm (for a 3-pole withdrawable unit).