ComPacT NSX250N Circuit Breaker 50kA AC 4P4R 250A TMD

The Schneider Electric ComPacT NSX250N 50kA AC 4P4R 250A circuit breaker is a robust and highly efficient electrical protection solution designed to meet the needs of a wide range of industrial and commercial applications. With its breaking capacity of 50kA at 415V AC and a design of 4 poles and 4 relays, this circuit breaker is ready to offer reliable protection in complex and demanding electrical systems.

This model has been designed to optimise both space and breaking power, making it an ideal choice for installations where efficiency and safety are paramount. With a rated current of 250A at 40°C, the ComPacT NSX250N is prepared to handle high electrical loads continuously, ensuring system safety and stability at all times.

The ComPacT NSX250N circuit breaker incorporates a thermal-magnetic control unit (TMD), which combines adjustable thermal protection against overloads and fixed magnetic protection against short circuits. This ensures that the electrical system is protected both under normal operating conditions and in fault situations, reacting quickly and accurately to any overload or short circuit. This control unit is especially effective in environments where load conditions are variable, as it allows fine adjustment of thermal protection to suit the specific needs of the system.

This 4-pole circuit breaker offers complete protection in three-phase electrical installations, providing additional protection for the neutral, which is critical in applications where phase balance is crucial for system safety and performance. Additionally, its compact design (140 mm x 161 mm x 86 mm) allows for efficient installation in electrical panels where space is limited, without compromising protection capacity.

Key Technical Specifications:

• Breaking Capacity (Icu): 50kA at 415V AC, with additional breaking capacity at different voltage levels: 85kA at 220/240V AC and up to 8kA at 660/690V AC, ensuring versatile and effective protection in various electrical applications.
• Rated Current (In): 250A at 40°C, providing robust protection for continuous load systems.
• Rated Operating Voltage (Ue): 690V AC, suitable for high-voltage electrical systems.
• TMD Control Unit: Thermal-magnetic technology offers adjustable protection against overloads and short circuits, ensuring a fast response to electrical faults.
• Mounting: Fixed, ensuring safe and stable installation in industrial and commercial electrical boards.

The ComPacT NSX250N also complies with international standards IEC 60947, CCC, and EAC, ensuring its quality and compliance with global safety and performance standards. Furthermore, it is part of Schneider Electric's EcoStruxure Power architecture, facilitating its integration into digitised management systems, allowing for more efficient energy control and optimisation of electrical system performance.

Additional Features:

• Complete 4-Pole and 4-Relay Protection (4P4R): This design provides protection not only for the three phases of alternating current but also for the neutral, which is essential in three-phase systems where phase balance is crucial.
• Compliance with Regulations: Certified according to IEC 60947 and marine specifications, making it suitable for applications in a variety of environments, including marine installations and rigorous industrial environments.

Key Benefits:

• High Breaking Capacity: Its breaking capacity of 50kA at 415V AC makes it ideal for protecting installations with high power demand and potential short circuit risks.
• Compact and Efficient Design: The circuit breaker is designed to occupy a reduced space in the electrical panel, facilitating its integration into existing infrastructures without compromising protection capacity.
• Integration into Energy Management Systems: As part of the EcoStruxure Power architecture, the ComPacT NSX250N allows for digitised energy management, facilitating real-time monitoring and optimisation of electrical systems.

This model also features optional accessories, making it highly configurable for specific applications that require customised solutions. Electrical panel manufacturers also benefit from its ergonomic design, which facilitates wiring and reduces installation times.

The Schneider Electric ComPacT NSX250N 50kA 4P4R 250A circuit breaker is a robust and versatile solution for the protection of electrical systems in a wide range of applications. With its high breaking capacity, compact design, and thermal-magnetic control unit, it guarantees the safety and optimal performance of electrical installations, providing reliable protection both under normal operating conditions and in the event of faults or short circuits.