TKMA836500WL - 500Amp Circuit Breaker

TKMA836500WL - 500 Amp Circuit Breaker

The TKMA836500WL molded case circuit breaker is designed for your industrial and commercial electrical distribution systems that require dependable overcurrent protection in higher-amperage applications. Built with a thermal magnetic trip unit and internal common trip functionality, this 3-pole breaker helps you protect connected equipment and branch circuits from overloads and short circuits while maintaining compatibility with existing TKM8 system configurations. Its cable-in/cable-out lug-lug design, along with included line- and load-side lugs, supports straightforward installation in switchboards, panelboards, and industrial power distribution equipment. Built to last and suited for demanding operating environments, the TKMA836500WL is commonly used where consistent protection and reliable fitment are critical for maintaining legacy electrical infrastructure.

Key Features and Benefits

• 500 Amp Molded Case Circuit Breaker: Designed for industrial and commercial power distribution systems requiring dependable overcurrent protection.
• 3-Pole Configuration: Suitable for three-phase electrical applications in commercial and industrial environments.
• Thermal Magnetic Trip Unit: Provides protection against overloads and short circuits to help protect connected equipment and branch circuits.
• Internal Common Trip Functionality: Helps disconnect all poles simultaneously during fault conditions for consistent circuit protection.
• Cable-In / Cable-Out Lug-Lug Design: Simplifies integration into compatible switchboards, panelboards, and industrial power distribution systems.
• Included Line- and Load-Side Lugs: Supports installation convenience and compatibility with existing TKM8 configurations.
• HACR Rated: Suitable for use in heating, air conditioning, and refrigeration applications where compatible equipment specifications apply.
• Built for Legacy System Maintenance: Commonly used for maintaining and servicing existing TKM8 electrical distribution equipment requiring reliable fitment and dependable protection.
  

Technical Specifications

• Part Number: TKMA836500WL
  
• Type: TKM8
  
• Poles: 3
  
• Amperage Rating: 500A
  
• Voltage / A.I.C. Rating:
  • 22k @ 600VAC
  • 30k @ 480VAC
  • 42k @ 240VAC
• Trip Unit: Thermal Magnetic
  
• Connection Type: Cable-in / Cable-out (Lug-Lug)
  
• Trip Function: Internal Common Trip
  
• HACR Rated: Yes
  
• Included Accessories: Line and Load-Side Lugs
  
• Dimensions:
  • Height: 15.5 in.
  • Width: 8.25 in.
  • Depth: 5.5 in.

Material Compliance and Certifications

• HACR Rated: The TKMA836500WL circuit breaker is HACR rated for heating, air conditioning, and refrigeration applications where compatible equipment specifications apply.
• Established Overcurrent Protection Design: Its thermal magnetic trip design supports established overcurrent protection requirements commonly used in commercial and industrial electrical systems. This breaker is intended for use in properly rated and professionally maintained electrical distribution equipment.
  

Where It Works Best

• The TKMA836500WL is commonly installed in industrial facilities, manufacturing plants, commercial buildings, distribution equipment, and large mechanical systems that require 500 amp three-phase circuit protection. It is especially well suited for maintaining existing TKM8 breaker systems where matching form, fit, and function are important for continued operation and equipment compatibility. Typical applications include switchgear lineups, motor distribution systems, HVAC infrastructure, and heavy-duty power distribution assemblies.