TKMA836350 **Older Style** - 350Amp Circuit Breaker

TKMA836350 **Older Style** - 350 Amp Circuit Breaker

The TKMA836350 Older Style Black Face circuit breaker is a 3-pole, industrial-grade, molded-case circuit breaker designed for dependable overcurrent protection in your commercial and industrial electrical distribution systems. Built with a thermal magnetic trip unit and internal common trip mechanism, this breaker is engineered for applications where consistent circuit protection and compatibility with existing equipment are essential. Its bolt-on design allows for secure installation in compatible switchgear and panel systems, while included load-side lugs help you to simplify setup and field replacement. Designed to withstand demanding electrical environments, the TKMA836350 is commonly used in facilities that require reliable protection for feeders, large machinery, HVAC systems, and power distribution equipment.

This Type TKM8 breaker is HACR rated and features interchangeable trip functionality, making it a practical choice for maintaining and servicing legacy electrical systems without changing existing configurations. The older-style black-face design supports form, fit, and functional replacement needs in established installations where matching specifications and physical compatibility matter. With interrupting ratings up to 22kA at 600VAC, 30kA at 480VAC, and 42kA at 240VAC, the TKMA836350 is built to last and suited for a wide range of industrial power applications.

Key Features and Benefits

• 350 Amp Industrial Molded Case Circuit Breaker: Designed for dependable overcurrent protection in commercial and industrial electrical distribution systems.
• 3-Pole Configuration: Supports three-phase electrical systems commonly used in industrial and commercial power applications.
• Older Style Black Face Design: Provides compatibility with existing equipment where matching form, fit, and function are important.
• Thermal Magnetic Trip Unit: Helps protect against overloads and short circuits for reliable circuit interruption.
• Interchangeable Trip Unit: Supports servicing and maintenance flexibility in legacy electrical systems.
• Internal Common Trip Mechanism: Enhances coordinated circuit interruption during fault conditions.
• Bolt-On Mounting Style: Allows for stable and secure installation in compatible switchgear and panel systems.
• Includes Load-Side Lugs: Simplifies installation and field replacement requirements.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration applications.
• Commercial and Industrial Use: Designed for use in demanding electrical distribution environments.
  

Technical Specifications

• Part Number: TKMA836350
  
• Type: TKM8
  
• Breaker Style: Older Style Black Face
  
• Poles: 3
  
• Amperage: 350A
  
• Voltage & Interrupting Ratings:
  • 22kA @ 600VAC
  • 30kA @ 480VAC
  • 42kA @ 240VAC
• Trip Unit: Thermal Magnetic
  
• Mounting Type: Bolt-On
  
• Dimensions:
  • Height: 15.5 in.
  • Width: 8.25 in.
  • Depth: 5.5 in.
• Included Accessories: Load-Side Lugs
  

Material Compliance and Certifications

• HACR Rated: Suitable for heating, air conditioning, and refrigeration applications.
• Industry Standards: Manufactured for commercial and industrial electrical protection applications and designed to meet applicable molded case circuit breaker construction and operational standards for its class and configuration.
  

Where It Works Best

• The TKMA836350 circuit breaker is well-suited for industrial facilities, manufacturing plants, commercial buildings, HVAC systems, and heavy-duty electrical distribution applications that require a 350-amp, 3-pole breaker. It is particularly useful in maintaining or servicing legacy switchgear and panel systems where matching form, fit, and electrical ratings are important for continued operation and compatibility.