TJJ436350WL - 350Amp Circuit Breaker

TJJ436350WL - 350 Amp Circuit Breaker

The TJJ436350WL molded case circuit breaker is designed for your dependable circuit protection in commercial and industrial electrical distribution systems where consistent overcurrent protection is essential. Built as part of the trusted Q-Line family, this 3-pole breaker features a 350-amp rating, a non-interchangeable thermal-magnetic trip unit, and internal common trip functionality to help you protect connected equipment from overloads and short circuits. Its cable-in/cable-out lug-lug configuration simplifies installation in compatible systems, while included line- and load-side lugs support secure conductor termination. Engineered for long-term service in demanding environments, the TJJ436350WL is well-suited for facilities that require reliable protection and compatibility with existing electrical infrastructure.

Key Features and Benefits

• 350-Amp Molded Case Circuit Breaker: Designed for commercial and industrial power distribution applications where dependable circuit protection is required.
• 3-Pole Configuration: Provides protection for three-phase electrical systems commonly used in commercial and industrial environments.
• Q-Line Series Compatibility: Compatible with designated legacy electrical equipment and panel systems within the Q-Line family.
• Thermal Magnetic Trip Unit: Responds to both overload and short-circuit conditions to help protect connected electrical equipment.
• Internal Common Trip Mechanism: Disconnects all poles simultaneously during fault conditions for coordinated protection.
• Cable-In/Cable-Out Lug-Lug Design: Supports straightforward field installation in compatible electrical systems.
• Included Line-Side and Load-Side Lugs: Allows secure conductor termination during installation.
• HACR Rated: Suitable for use in heating, air conditioning, and refrigeration applications requiring compliant circuit protection.
• Built for Long Service Life: Engineered for demanding electrical environments where durability and reliability are important.
• Compact Footprint: Helps accommodate installations where panel space is limited.
  

Technical Specifications

• Part Number: TJJ436350WL
  
• Type: TJJ
  
• Product Family: Q-Line
  
• Poles: 3
  
• Amperage: 350A
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Trip Style: Internal Common Trip
  
• Configuration: Cable-in/Cable-out (Lug-Lug)
  
• Included Accessories: Line and Load-Side Lugs
  
• A.I.C. Rating:
  • 22k @ 600VAC
  • 30k @ 480VAC
  • 42k @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.
• Application Rating: HACR Rated
  

Material Compliance and Certifications

• Industry Standards: The TJJ436350WL circuit breaker is manufactured for use in applicable commercial and industrial electrical systems and is designed to meet industry-recognized standards for molded-case circuit breakers.
• HACR Rating: Its HACR rating supports use in HVAC and refrigeration-related applications where compliant circuit protection is required. Always verify that the installation requirements and local electrical code are met before use.
  

Where It Works Best

• Commercial buildings and office facilities
• Industrial manufacturing environments
• HVAC and refrigeration systems
• Distribution panels and switchboards
• Motor protection applications
• Three-phase electrical distribution systems
• Maintenance and replacement projects requiring compatible Q-Line breaker configurations
• With its combination of thermal magnetic protection, lug-lug connectivity, and high interrupting capacity ratings, the TJJ436350WL provides a practical form, fit, and function replacement solution for maintaining existing electrical systems.