TKMA836350 - 350Amp Circuit Breaker

TKMA836350 - 350 Amp Circuit Breaker

The TKMA836350 molded case circuit breaker is designed for your industrial and commercial electrical distribution systems that require dependable circuit protection and compatibility with existing equipment configurations. Built with a thermal magnetic trip unit and internal common trip functionality, this 3-pole breaker helps you to protect electrical systems from overloads and short circuits while maintaining consistent operation in demanding environments. Its bolt-on mounting design supports secure installation, and the included load-side lugs help simplify wiring connections during maintenance or replacement projects. Designed for long-term service applications, the TKMA836350 is commonly used in switchboards, panelboards, and distribution equipment where reliable power management is essential.

With a 350 amp rating and multiple interrupting capacities, this breaker is suited for facilities operating at a variety of voltage levels, including 240VAC, 480VAC, and 600VAC systems. The interchangeable trip unit design provides service flexibility while supporting proper coordination with existing electrical systems. HACR rating compatibility also makes this breaker suitable for heating, air conditioning, and refrigeration equipment applications that require code-compliant protection.

Key Features and Benefits

• 350 amp industrial molded case circuit breaker: Designed for commercial and industrial electrical distribution applications requiring dependable protection.
• 3-pole configuration: Supports three-phase electrical systems commonly used in industrial and commercial facilities.
• Bolt-on mounting style: Provides secure installation for switchboards, panelboards, and distribution equipment.
• Thermal magnetic trip unit: Helps provide overload and short-circuit protection while maintaining reliable system operation.
• Internal common trip mechanism: Enhances coordinated circuit interruption across all poles.
• Interchangeable trip unit design: Supports compatibility and flexibility within existing electrical systems.
• HACR rated: Suitable for heating, air conditioning, and refrigeration equipment applications.
• Includes load-side lugs: Helps simplify connection setup during installation and maintenance projects.
• Built for long service life: Intended for dependable operation in commercial and industrial environments.
• Replacement and maintenance applications: Suitable for use in existing electrical systems requiring compatible replacement breakers.
  

Technical Specifications

• Part Number: TKMA836350
  
• Type: TKM8
  
• Amperage Rating: 350 Amps
  
• Poles: 3
  
• Voltage & A.I.C. Ratings: 22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
  
• Trip Unit: Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Trip Function: Internal Common Trip
  
• Included Accessories: Load-Side Lugs
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 15.5 in.
  • Width: 8.25 in.
  • Depth: 5.5 in.

Material Compliance and Certifications

• HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment applications.
• Commercial and Industrial Applications: Designed for use in commercial and industrial electrical distribution systems.
• Industry Compatibility: Manufactured for compatibility with applicable molded case circuit breaker standards and installation practices.
• Professional Installation: Intended for use by qualified electrical professionals following local electrical codes and regulations.
  

Where It Works Best

• The TKMA836350 circuit breaker is well-suited for industrial facilities, manufacturing plants, commercial buildings, mechanical rooms, and large-scale electrical distribution systems that require 350-amp three-phase protection. It is commonly used in switchgear assemblies, panelboards, motor control applications, HVAC equipment, and power distribution infrastructure, where maintaining compatibility with existing systems is important. Its bolt-on configuration and interchangeable trip unit design also make it a practical choice for maintenance teams handling repair and replacement projects in legacy electrical equipment.