TKMA826300WL - 300Amp Circuit Breaker

TKMA826300WL - 300 Amp Circuit Breaker

The TKMA826300WL molded case circuit breaker is designed for your dependable circuit protection in commercial and industrial electrical distribution systems requiring a 2-pole, 300 amp solution. Built with an interchangeable thermal magnetic trip unit and internal common trip, this breaker helps protect connected equipment from overloads and short circuits while supporting consistent operation in demanding environments. Its cable-in/cable-out lug-lug configuration simplifies installation in compatible switchgear and panel applications, and the included line- and load-side lugs help streamline setup in the field. HACR rated and constructed for long-term service life, the TKMA826300WL is commonly used in facilities where reliable power distribution and equipment protection are essential. Whether installed in manufacturing plants, commercial buildings, or industrial control systems, this breaker is built to last and engineered for form, fit, and functional replacement in existing electrical systems.

Key Features and Benefits

• 300 amp molded case circuit breaker: Designed for commercial and industrial power distribution.
• 2-pole configuration: Intended for compatible electrical systems.
• Thermal magnetic trip unit: Provides overload and short-circuit protection.
• Internal common trip mechanism: Enhances coordinated breaker operation.
• Cable-in/cable-out lug-lug design: Supports straightforward installation.
• Includes line-side and load-side lugs: Helps streamline setup in the field.
• HACR rated: Suitable for heating, air conditioning, and refrigeration applications.
• Compatible with legacy TKM8 systems: Suitable for use in existing compatible systems.
• Built for long service life: Designed for demanding electrical environments.
• Compact molded case construction: Helps conserve panel space.
  

Technical Specifications

• Part Number: TKMA826300WL
  
• Type: TKM8
  
• Poles: 2
  
• Amperage: 300A
  
• A.I.C. Rating:
  • 22k @ 600VAC
  • 30k @ 480VAC
  • 42k @ 240VAC
• Trip Unit: Interchangeable Thermal Magnetic
  
• Trip Style: Internal Common Trip
  
• Configuration: Cable-In/Cable-Out (Lug-Lug)
  
• Certifications: HACR Rated
  
• 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 TKMA826300WL circuit breaker is HACR rated for use in heating, air conditioning, and refrigeration applications where compatible equipment specifications require this designation.
• Molded Case Construction: Its molded case construction is intended for industrial and commercial electrical systems that require dependable overcurrent protection and compatibility with existing equipment configurations.
  

Where It Works Best

• The TKMA826300WL is well suited for industrial facilities, commercial buildings, manufacturing operations, HVAC distribution systems, motor control applications, and electrical distribution equipment requiring a 2-pole 300 amp molded case breaker. It is commonly used in switchboards, panelboards, and legacy power distribution systems where matching form, fit, and function are important for maintenance and replacement projects.