TKMA836350WL - 350Amp Circuit Breaker

TKMA836350WL - 350 Amp Circuit Breaker

When your dependable power distribution matters, the TKMA836350WL molded case circuit breaker is built to handle the job. Designed for industrial and commercial electrical systems, this 350 amp, 3-pole breaker combines thermal magnetic protection with an internal common trip mechanism to help safeguard equipment from overloads and short circuits. Its cable-in/cable-out lug-lug configuration makes installation straightforward in a wide range of switchgear and distribution setups, while the included line and load-side lugs help reduce installation hassle on the jobsite.

The TKMA836350WL is a solid fit for facilities maintaining existing TKM8 breaker systems where proper form, fit, and compatibility are critical. Whether it’s supporting HVAC equipment, industrial machinery, motor control systems, or facility power distribution, this breaker is designed to deliver reliable circuit protection in demanding environments. The interchangeable thermal magnetic trip unit also gives maintenance teams added flexibility when servicing established electrical infrastructure. Built to last and engineered for long-term use, this breaker remains a practical solution for commercial and industrial applications that depend on stable electrical protection every day.

Key Features and Benefits

• 350 amp molded case circuit breaker: Designed for industrial and commercial power systems.
• 3-pole configuration: Suitable for three-phase electrical applications.
• Thermal magnetic trip unit: Helps protect against overloads and short circuits.
• Internal common trip mechanism: Provides coordinated circuit interruption.
• Cable-in/cable-out lug-lug design: Simplifies conductor connections.
• Includes line-side and load-side lugs: Helps reduce installation hassle.
• HACR rated: Suitable for heating, air conditioning, and refrigeration equipment applications.
• Interchangeable trip unit: Supports maintenance flexibility.
• Designed for compatibility with existing TKM8 installations: Helps maintain proper form, fit, and functionality.
• Built for demanding environments: Intended for long-term operation in commercial and industrial electrical systems.
  

Technical Specifications

• Part Number: TKMA836350WL
  
• Type: TKM8
  
• Poles: 3
  
• Amperes: 350A
  
• Voltage & A.I.C. Ratings: 22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
  
• Trip Unit: Thermal Magnetic
  
• Trip Style: Internal Common Trip
  
• Configuration: Cable-in/Cable-out (Lug-Lug)
  
• 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 TKMA836350WL is HACR rated for use in heating, ventilation, air conditioning, and refrigeration systems.
• Industrial and Commercial Applications: Its molded case construction is intended for industrial and commercial electrical distribution applications requiring dependable overcurrent protection and compatibility with established power systems.
• Installation Guidance: Always verify system requirements and local electrical codes before installation.
  

Where It Works Best

• The TKMA836350WL works especially well in commercial buildings, industrial facilities, manufacturing plants, mechanical rooms, and large-scale electrical distribution systems where a 350 amp three-phase breaker is required. It’s commonly used in switchboards, panelboards, motor control centers, HVAC systems, and facility infrastructure that relies on dependable molded case circuit protection. For maintenance teams servicing existing TKM8 equipment, this breaker provides the proper fit and functionality needed to keep systems operating smoothly without unnecessary modifications.