ComPacT NSX400N Circuit Breaker 50kA AC 4P4R 400A Micrologic 4.3

The Schneider Electric ComPacT NSX400N 50kA AC 4P4R 400A Micrologic 4.3 circuit breaker is an advanced and reliable solution designed to protect industrial and commercial electrical systems in high-demand applications. With a breaking capacity of 50kA at 415V AC, this circuit breaker ensures the safety and continuity of electrical operations by offering protection against overloads, short circuits, and earth leakage.

Equipped with the Micrologic Vigi 4.3 electronic control unit, the ComPacT NSX400N provides adjustable long and short delay protections (LSoIR), along with a fixed instantaneous protection to ensure system safety. The key feature of the Micrologic 4.3 control unit is the integrated earth leakage protection, which is fully adjustable to suit the specific requirements of the installation. This function ensures that the system is protected not only against direct electrical faults but also against earth leakages, reducing the risk of accidents and ensuring operational safety.

The ergonomic design of the ComPacT NSX400N circuit breaker facilitates both installation and maintenance. The new front plate and ergonomic handle allow for easier manual operation, significantly reducing the time required for installation and maintenance operations by up to 40%, according to Schneider Electric. This feature is particularly useful for panel builders and technicians looking to improve installation efficiency and speed.

With a compact size of 185 mm wide, 255 mm high, and 110 mm deep, the ComPacT NSX400N is ideal for installations where space is limited. Its design allows for easy integration into electrical panels, optimising space without compromising safety or protection capacity. The breaker is designed to operate on networks up to 440V AC at 50/60 Hz, making it versatile and suitable for a wide range of industrial applications.

Key Technical Specifications:

• Breaking Capacity (Icu): 50kA at 415V AC, with additional capacities of up to 85kA at 220/240V AC and 10kA at 690V AC, ensuring effective protection against faults under various network conditions.
• Rated Current (In): 400A at 40°C, ideal for high-demand electrical systems.
• Rated Operational Voltage (Ue): 440V AC 50/60 Hz, allowing for use in a variety of electrical networks.
• Micrologic 4.3 Control Unit: Offers protection against overloads, short circuits, and earth leakage, with configurable settings for greater operational flexibility.
• Compact Dimensions: 185 mm wide, 255 mm high, and 110 mm deep, facilitating integration into space-constrained electrical panels.
• Fixed Mounting: Provides stable and secure installation in electrical distribution panels.

The ComPacT NSX400N circuit breaker is designed to meet the most stringent international standards, such as IEC 60947, CCC, and EAC, ensuring its reliability and quality in a wide range of industrial and commercial applications. Additionally, this model is part of Schneider Electric's EcoStruxure Power architecture, allowing seamless integration with digital energy management platforms, offering real-time monitoring and control of electrical systems.

Additional Features:

• Earth Leakage Protection: The Micrologic 4.3 control unit includes integrated earth leakage protection, enhancing system safety and helping to prevent electrical accidents.
• Ergonomic Design and Easy Installation: The optimised front plate and new ergonomic handle facilitate the installation and handling of the breaker, reducing assembly times and improving operational efficiency.
• Compliance with International Standards: Certified according to IEC 60947, CCC, EAC, and marine specifications, ensuring safe and reliable use in a wide variety of applications.

Key Benefits:

• Comprehensive Protection: The combination of adjustable protection against overloads, short circuits, and earth leakage ensures that the electrical system is protected at all times, minimising the risk of failures.
• Easy to Install and Maintain: Its ergonomic design and reduced wiring time improve efficiency, which is beneficial for panel builders and installation technicians.
• Reliability and Safety: Thanks to its advanced protection capability and compliance with international standards, the ComPacT NSX400N ensures safety and operational continuity in critical industrial environments.

The Schneider Electric ComPacT NSX400N 50kA AC 4P4R 400A Micrologic 4.3 circuit breaker is a reliable, efficient, and easy-to-install solution for the protection of industrial electrical systems. Its ability to offer adjustable protection against overloads, short circuits, and earth leakage, along with its compact and ergonomic design, makes it an essential tool for ensuring safety and efficiency in high-demand installations.