TJK626500WL - 500Amp Circuit Breaker

TJK626500WL - 500 Amp Circuit Breaker

The TJK626500WL molded case circuit breaker is designed for your dependable protection in commercial and industrial electrical distribution systems where high-amperage circuit interruption is required. Built as part of the trusted TJK6 Q-Line series, this 2-pole breaker features a fixed thermal magnetic trip unit with internal common trip functionality to help you protect connected equipment from overloads and short circuits. Its cable-in/cable-out lug configuration simplifies installation in compatible systems, while the included line- and load-side lugs support secure conductor termination. With interrupting ratings up to 22kA at 600VAC, this breaker is well-suited for applications involving large power distribution equipment, motor loads, HVAC systems, and panelboard installations requiring a reliable form, fit, and functional replacement component. Built to last and engineered for consistent operation, the TJK626500WL remains a practical solution for maintaining existing electrical infrastructure.

Key Features and Benefits

• 500 Amp Current Rating: for high-capacity commercial and industrial applications.
• 2-Pole Configuration: designed for compatible AC power distribution systems.
• Thermal Magnetic Trip Unit: helps provide protection against overloads and short circuits.
• Internal Common Trip Mechanism: allows both poles to trip simultaneously during fault conditions.
• Cable-In/Cable-Out (Lug-Lug) Design: supports straightforward wiring connections.
• Includes Line and Load-Side Lugs: for secure installation compatibility.
• HACR Rated: for use with heating, air conditioning, and refrigeration equipment applications.
• Q-Line / Type TJK6 Construction: designed for use in compatible legacy electrical systems.
• Molded Case Housing: helps protect internal components in demanding operating environments.
  

Technical Specifications

• Part Number: TJK626500WL
  
• Type: TJK6
  
• Product Category: Molded Case Circuit Breaker
  
• Poles: 2
  
• Amperes: 500A
  
• Voltage / A.I.C. Ratings: 22kA @ 600VAC; 30kA @ 480VAC; 42kA @ 240VAC
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Trip Style: Internal Common Trip
  
• Connection Type: Cable-in/Cable-out (Lug-Lug)
  
• HACR Rated: Yes
  
• Included Accessories: Line and Load-Side Lugs
  
• Dimensions:
  • Height: 10.13 in
  • Width: 8.25 in
  • Depth: 3.81 in

Material Compliance and Certifications

• Industry Standards: The TJK626500WL circuit breaker is manufactured for use in accordance with applicable industry standards for molded case circuit breakers and electrical distribution equipment.
• HACR Rating: The HACR rating supports compatibility with HVAC and refrigeration applications where permitted by code and system design.
• Installation Requirements: As with all electrical equipment, installation and application should be performed by qualified personnel and verified against local electrical codes and equipment requirements.
  

Where It Works Best

• Commercial electrical distribution systems
• Industrial power distribution equipment
• HVAC and refrigeration systems requiring HACR-rated protection
• Motor control and feeder circuit applications
• Panelboards and switchboard installations
• Facilities maintaining existing Q-Line / TJK6-compatible systems
• Manufacturing plants, warehouses, retail facilities, and large commercial buildings require a 500A molded case breaker replacement
• This breaker is especially suitable when maintaining compatibility within existing electrical systems where matching form, fit, and function are important for continued operation and serviceability.