TKMA826450WL **Older Style** - 450Amp Circuit Breaker

TKMA826450WL **Older Style** - 450 Amp Circuit Breaker

The TKMA826450WL is a 2-pole molded case circuit breaker built for your industrial and commercial electrical distribution systems that require dependable overcurrent protection. Designed with an interchangeable thermal magnetic trip unit and internal common trip functionality, this breaker helps protect connected equipment from overloads and short circuits in demanding operating environments. The older style black face configuration makes it a practical replacement option for existing TKM8 installations where matching form and fit is important. Its cable-in/cable-out lug-lug setup allows for direct conductor termination, and both line- and load-side lugs are included for added installation convenience. Commonly found in switchboards, panelboards, HVAC equipment, and heavy-duty power distribution systems, the TKMA826450WL was built for long-term service in industrial applications where consistent protection matters.

Key Features and Benefits

• 450 Amp molded case circuit breaker: Built for industrial and commercial electrical distribution systems that require dependable overcurrent protection.
• 2-pole design: Intended for industrial and commercial power systems requiring high-amperage circuit protection.
• Thermal Magnetic Trip Unit: Designed with an interchangeable thermal magnetic trip unit for overload and short-circuit protection.
• Internal Common Trip: Includes an internal common trip mechanism for coordinated circuit interruption.
• Cable-In/Cable-Out Lug-Lug Configuration: Allows for direct conductor termination with included line-side and load-side lugs for added installation convenience.
• HACR Rated: Suitable for HVAC and refrigeration applications requiring HACR-rated circuit protection.
• Older Style Black Face Design: Provides compatibility with existing TKM8 installations where maintaining matching form and fit is important.
  

Technical Specifications

• Part Number: TKMA826450WL
  
• Type: TKM8
  
• Poles: 2
  
• Amperage Rating: 450A
  
• Interrupting Capacity:
  • 22k @ 600VAC
  • 30k @ 480VAC
  • 42k @ 240VAC
• Trip Unit: Interchangeable Thermal Magnetic
  
• Connection Type: Cable-In/Cable-Out (Lug-Lug)
  
• Trip Style: Internal Common Trip
  
• HACR Rated: Yes
  
• Included: Line and Load-Side Lugs
  
• Dimensions:
  • Height: 15.5 in.
  • Width: 8.25 in.
  • Depth: 5.5 in.

Material Compliance and Certifications

• HACR Rated: Rated for heating, air conditioning, and refrigeration systems.
• Industrial Applications: Manufactured for industrial electrical protection applications.
• Commercial and Industrial Use: Suitable for use in commercial and industrial power distribution environments where molded case circuit breakers are required.
  

Where It Works Best

• The TKMA826450WL is often used in manufacturing facilities, commercial buildings, industrial control systems, HVAC equipment, and electrical distribution panels that require high-amperage circuit protection. It is especially useful in existing TKM8 systems where maintaining compatibility with older breaker layouts and installed equipment is necessary. The lug-lug connection style and thermal magnetic protection make it well suited for feeder circuits, motor distribution, and other heavy electrical loads.