LJA36400U33X - 400A Circuit Breaker

LJA36400U33X 400A Circuit Breaker

The Schneider Electric PowerPacT LJA36400U33X Circuit Breaker is a robust and versatile solution designed to safeguard electrical systems from damage caused by overloads and short circuits. Rated at 400A, this 3-pole breaker operates efficiently at up to 600VAC and features a 25kA interrupting capacity, making it ideal for both commercial and industrial applications. This breaker is equipped with the MicroLogic 3.3S electronic trip unit, providing reliable protection and precise operation. With a continuous current rating of 80%, the LJA36400U33X ensures consistent performance under demanding conditions.

Key Features and Benefits:

• High Current Rating: With a 400A rating, this breaker supports significant electrical loads, making it suitable for large-scale applications.
• Advanced Protection: The MicroLogic 3.3S trip unit offers advanced protection features including long-time, short-time, and instantaneous settings, ensuring safety and reliability.
• Superior Build Quality: Designed with dual-break rotating contacts, the breaker reduces peak current during short circuit faults, enhancing durability and performance.
• I-Line Compatibility: Easy integration into existing systems with I-Line mounting, streamlining installation and maintenance.
• Environmental Performance: Complies with RoHS and REACh regulations, reflecting Schneider Electric‰۪s commitment to sustainability and reducing environmental impact.

Technical Specifications:

• Voltage Rating: 600VAC
• Interrupting Capacity: 25kA at 600VAC
• Poles: 3
• Trip Unit: MicroLogic 3.3S
• Continuous Current Rating: 80%
• Dimensions: Height 13.39 in (340 mm), Width 5.51 in (140 mm), Depth 4.33 in (110 mm)
• Weight: 13.67 lb (6.2 kg)
• Mounting: I-Line bracket with mechanical lugs on the load side
• Phase Connection: ABC
• Communication Interfaces: Modbus and Ethernet for advanced connectivity and monitoring

Material Compliance and Certifications:

• Certifications: UL 489, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2, and CE marked for global acceptance.
• Environmental Compliance: Meets RoHS and REACh standards, ensuring it‰۪s free from hazardous materials and environmentally friendly.
• Protection Ratings: Front cover rated IP40 for ingress protection, suitable for demanding environments.
• Operating Conditions: Operates reliably in temperatures ranging from -13å¡F to 158å¡F (-25å¡C to 70å¡C) and can be stored in temperatures from -58å¡F to 185å¡F (-50å¡C to 85å¡C).

Suitability:

• The LJA36400U33X Circuit Breaker is ideal for use in industrial control panels, main panel disconnects, and commercial electrical systems where robust protection and high current handling are essential. Its compatibility with a range of accessories and its high interrupting capacity make it suitable for critical applications in harsh environments. Whether used as a main circuit breaker or in distribution panels, it provides dependable operation and simplifies system maintenance.

The LJA36400U33X Circuit Breaker is more than just a component; it's a crucial safeguard for your electrical systems, designed to offer peace of mind through its robust performance and protection features. Explore more about this essential circuit breaker today and ensure your systems remain secure and compliant.