TJJ436225WL **Older Style** - 225Amp Circuit Breaker

TJJ436225WL  **Older Style** - 225 Amp Circuit Breaker

The TJJ436225WL molded case circuit breaker is a 3-pole, 225-amp breaker designed for dependable circuit protection in your commercial and industrial electrical distribution systems. Built with a thermal magnetic trip unit and an internal common trip design, this breaker helps protect connected equipment and conductors from overloads and short circuits while maintaining compatibility with legacy installations. Its older-style black-face configuration makes it a practical replacement for matching systems already in service, offering form, fit, and function.

This Type TJJ circuit breaker features a cable-in/cable-out lug-lug configuration with both line-side and load-side lugs included, helping simplify installation and replacement work in panelboards, switchboards, and power distribution equipment. Designed as part of the Q-Line family, the breaker is HACR-rated and built for long-term use in demanding electrical environments where consistent protection is essential. With interrupting ratings up to 22 kA at 600 VAC, it is suited for applications requiring reliable overcurrent protection across multiple voltage systems.

Key Features and Benefits

• 225 Amp Molded Case Circuit Breaker: Designed for commercial and industrial applications requiring dependable overcurrent protection.
• 3-Pole Configuration: Built for use in three-phase power distribution systems.
• Older Style Black Face Design: Helps maintain compatibility with existing installations and legacy systems.
• Thermal Magnetic Trip Unit: Provides overload and short-circuit protection for connected electrical systems.
• Internal Common Trip Mechanism: Helps disconnect all poles simultaneously during fault conditions.
• Cable-In/Cable-Out Lug-Lug Construction: Includes both line-side and load-side lugs to simplify installation and replacement work.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration applications.
• Q-Line Series Construction: Built for long service life and dependable operation in demanding electrical environments.
• Non-Interchangeable Trip Unit: Helps maintain original breaker configuration integrity.
  

Technical Specifications

• Part Number: TJJ436225WL
  
• Type: TJJ
  
• Product Style: Older Style Black Face
  
• Poles: 3
  
• Amperage Rating: 225A
  
• Voltage & Interrupting Ratings: 22kA @ 600VAC; 30kA @ 480VAC; 42kA @ 240VAC
  
• Trip Unit: Thermal Magnetic
  
• Trip Style: Internal Common Trip
  
• Configuration: Cable-In/Cable-Out (Lug-Lug)
  
• Included Accessories: Line and Load-Side Lugs
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 10.13 in
  • Width: 8.25 in
  • Depth: 3.81 in

Material Compliance and Certifications

• Industry Compatibility: The TJJ436225WL circuit breaker is designed for use in electrical distribution systems that require dependable overcurrent protection and compatibility with industry-standard installations.
• HACR Rating: Its HACR rating supports use in HVAC and refrigeration-related applications where applicable.
• Installation Considerations: Always confirm local code requirements and system compatibility before installation.
  

Where It Works Best

• The TJJ436225WL is commonly used in commercial buildings, industrial facilities, HVAC equipment and refrigeration systems, distribution panels and switchboards, manufacturing environments, and existing legacy electrical systems requiring compatible replacement breakers. Its lug-lug design and older-style black-face configuration make it especially useful for maintaining or servicing existing electrical infrastructure, where matching form and fit are important.