TJJ436125WL - 125A Circuit Breaker

TJJ436125WL - 125A Circuit Breaker

The TJJ436125WL molded case circuit breaker is designed for dependable circuit protection in your commercial and industrial electrical distribution systems requiring a 125 amp, 3-pole configuration. Built as part of the trusted Q-Line series, this thermal magnetic circuit breaker features a non-interchangeable trip unit with internal common trip functionality to help protect connected equipment from overloads and short circuits. Its cable-in/cable-out lug-lug design includes both line-side and load-side lugs, making installation and replacement work more straightforward in compatible systems. With interrupting ratings up to 22kA at 600VAC, this breaker is well suited for demanding applications where consistent protection and compatibility with existing equipment are essential. HACR rating support also makes it suitable for heating, air conditioning, and refrigeration equipment applications. Designed with long-term serviceability in mind, the TJJ436125WL delivers the form, fit, and function needed for maintaining and supporting existing electrical infrastructure.

Key Features and Benefits

• 125 amp molded case circuit breaker: Designed for commercial and industrial power distribution systems.
• 3-pole configuration: Designed for three-phase electrical applications.
• Thermal magnetic trip unit: Helps provide protection against overloads and short circuits.
• Internal common trip design: Enhances coordinated circuit interruption across all poles.
• Q-Line series compatibility: Matches existing system requirements.
• Cable-in/cable-out (lug-lug) configuration: Simplifies conductor termination.
• Includes line-side and load-side lugs: Supports installation and replacement requirements.
• HACR rated: Suitable for use with heating, air conditioning, and refrigeration equipment.
• Built for long-lasting operation: Designed for use in compatible electrical systems.
• Suitable for maintenance, replacement, and retrofit applications: Ideal where matching specifications are important.
  

Technical Specifications

• Part Number: TJJ436125WL
  
• Type: TJJ
  
• Product Category: Molded Case Circuit Breaker
  
• Poles: 3
  
• Amperes: 125A
  
• Voltage & A.I.C. Ratings: 22kA @ 600VAC; 30kA @ 480VAC; 42kA @ 240VAC
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Trip Configuration: Internal Common Trip
  
• Connection Type: 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

• HACR Rated: Approved for HVAC and refrigeration applications.
• Manufactured Standards: Manufactured for use in accordance with applicable molded case circuit breaker standards.
• Q-Line Compatibility: Designed for compatibility within designated Q-Line electrical systems.
• Thermal Magnetic Protection: Supports standard overcurrent protection requirements.
  

Where It Works Best

• The TJJ436125WL circuit breaker is commonly used in commercial buildings, industrial facilities, manufacturing environments, and large electrical distribution systems that require dependable 3-phase circuit protection. It is especially well suited for panelboards, switchgear, HVAC equipment, motor distribution systems, and other applications where a 125 amp Q-Line molded case breaker with lug-lug connections is required. Its form and configuration make it a practical solution for maintaining existing electrical systems while helping ensure proper fit and functional compatibility.