The Schneider NSX 4P 250N 200A is a 4-pole molded case circuit breaker (MCCB) from Schneider Electric's NSX series. It is designed for high-performance protection of electrical circuits in industrial, commercial, and infrastructure applications.
Specifications:
Type: Molded Case Circuit Breaker (MCCB)
Number of Poles: 4P (4 poles) – Suitable for three-phase systems with neutral conductor
Current Rating: 200A
Frame Size: 250N (indicating the frame size and breaking capacity suitable for 200A current)
Rated Voltage: Typically 415V (for three-phase systems)
Rated Frequency: 50/60 Hz
Breaking Capacity:
50 kA at 415V (maximum fault current the breaker can interrupt)
Tripping Characteristics:
Thermal Protection: Provides overload protection to prevent sustained overcurrent conditions that could overheat wiring and equipment.
Magnetic Protection: Provides short-circuit protection by disconnecting the circuit almost instantaneously in the event of a fault.
Adjustable Settings: Both thermal and magnetic protection settings are adjustable, allowing for precise coordination with the protected system.
Protection Functions:
Overload protection
Short-circuit protection
Optional earth fault protection (if equipped with accessories)
Auxiliary Contacts: Optional auxiliary contacts for monitoring and signaling purposes.
Compliance: Complies with IEC 60947-2 and other international standards for low-voltage circuit breakers, ensuring reliable operation and safety.