TJK636T400 - 400Amp Trip Unit

TJK636T400 - 400 Amp Trip Unit

The TJK636T400 molded case circuit breaker is designed for your dependable circuit protection in commercial and industrial electrical distribution systems requiring a 400 amp, 3-pole configuration. Built for use in applications up to 600VAC, this breaker helps protect electrical equipment and power systems from overloads and short circuits while maintaining compatibility with existing Type TJK6 installations. Its durable construction and proven design make it a practical choice for maintaining and servicing legacy power distribution equipment where form, fit, and function matter most. Whether installed in switchboards, panelboards, or industrial control systems, the TJK636T400 is built to handle demanding electrical environments and deliver consistent operation over time.

Key Features and Benefits

• 400 amp current rating: Suitable for heavy-duty commercial and industrial applications.
• 3-pole configuration: Designed for three-phase electrical systems.
• Rated for use up to 600VAC: Built for high-voltage commercial and industrial environments.
• Circuit protection: Designed to help protect circuits against overloads and short circuits.
• Type TJK6 compatibility: Compatible with systems utilizing Type TJK6 circuit breakers.
• Durable construction: Strong, long-lasting construction intended for continuous service environments.
• Compact molded case design: Supports efficient installation and replacement in existing equipment.
• Versatile application use: Commonly used in power distribution, manufacturing facilities, and large electrical systems.
  

Technical Specifications

• Part Number: TJK636T400
  
• Type: TJK6
  
• Poles: 3
  
• Amperes: 400A
  
• Voltage Rating: 600VAC
  
• Breaker Category: Molded Case Circuit Breaker
  

Material Compliance and Certifications

• Industry Standards: The TJK636T400 circuit breaker is manufactured for use in commercial and industrial electrical systems and is designed to meet applicable industry standards for molded-case circuit breakers.
• Installation Guidance: Compatibility with existing electrical equipment should always be verified by qualified personnel before installation. Proper installation and maintenance in accordance with local electrical codes and manufacturer guidelines are recommended for safe operation.
  

Where It Works Best

• The TJK636T400 is well-suited for facilities that rely on medium- to large-scale power distribution systems. It is commonly installed in industrial plants and manufacturing facilities, commercial buildings and office complexes, electrical distribution panels and switchgear, motor control applications, utility and infrastructure projects, and maintenance and retrofit projects involving existing Type TJK6 systems. When reliable circuit protection and compatibility with established electrical infrastructure are important, the TJK636T400 provides a practical, built-to-last solution.