THJK636600 - 600Amp Circuit Breaker

THJK636600 - 600 Amp Circuit Breaker

The THJK636600 molded case circuit breaker is a 600 amp, 3-pole circuit breaker designed for use in your commercial and industrial power distribution systems requiring dependable overcurrent and short-circuit protection. Built as part of the THJK6 Q-Line family, this bolt-on breaker features a thermal magnetic trip unit with internal common trip functionality, helping to protect your electrical equipment and conductors from overloads and fault conditions. Its non-interchangeable trip design provides a fixed protection setting, making it a practical solution for applications where consistent circuit protection is required.

Designed for installation in compatible Q-Line distribution equipment, the THJK636600 includes load-side lugs to simplify conductor termination and installation. The breaker is HACR rated, making it suitable for heating, air conditioning, and refrigeration applications where applicable. Built to withstand demanding electrical environments, this molded case circuit breaker delivers the form, fit, and function needed for maintaining and servicing existing electrical systems while providing the protection expected in commercial and industrial facilities.

Key Features and Benefits

• 600 amp continuous current rating
• 3-pole configuration for three-phase power distribution systems
• THJK6 type molded case circuit breaker
• Bolt-on mounting design for secure installation
• Thermal magnetic trip unit provides protection against overloads and short circuits
• Internal common trip mechanism disconnects all poles during fault conditions
• Non-interchangeable trip unit maintains fixed protection settings
• Includes load-side lugs for conductor connections
• HACR rated for qualifying HVAC and refrigeration applications
• Built for long-term service in commercial and industrial electrical systems
• Suitable as a form, fit, and functional replacement in compatible equipment
  

Technical Specifications

• Part Number: THJK636600
  
• Type: THJK6
  
• Product Category: Molded Case Circuit Breaker
  
• Series: Q-Line
  
• Mounting Style: Bolt-On
  
• Poles: 3
  
• Amperage Rating: 600 Amps
  
• Trip Unit: Thermal Magnetic
  
• Trip Design: Non-Interchangeable
  
• Trip Function: Internal Common Trip
  
• Interrupting Rating:
  • 25kA @ 600VAC
  • 35kA @ 480VAC
  • 65kA @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.
• Included Accessories: Load-Side Lugs
  
• HACR Rated: Yes
  

Material Compliance and Certifications

• HACR (Heating, Air Conditioning, and Refrigeration) Rated: HACR rated for qualifying HVAC and refrigeration applications.
• Industry Standards: Manufactured for use in accordance with applicable industry standards for molded case circuit breakers.
• Installation Requirements: Designed for installation in compatible electrical distribution equipment when applied according to manufacturer specifications and local electrical codes.
  

Where It Works Best

• Commercial buildings and office facilities
• Industrial manufacturing plants
• Power distribution and switchboard applications
• HVAC and refrigeration systems requiring HACR-rated protection
• Motor and equipment feeder circuits
• Large distribution panels and panelboards
• Facility maintenance and retrofit projects involving compatible Q-Line equipment
• Service entrance and high-current distribution applications requiring 600-amp circuit protection
• When installed in compatible equipment and applied within its ratings, the THJK636600 provides dependable overcurrent protection for critical electrical distribution systems while helping maintain safe and reliable operation of connected equipment.