TKMA826350 - 350Amp Circuit Breaker

TKMA826350 - 350 Amp Circuit Breaker

The TKMA826350 molded case circuit breaker is designed for your commercial and industrial electrical distribution systems that require dependable overcurrent protection in demanding environments. Built with a thermal magnetic trip unit and internal common trip functionality, this 2-pole, 350-amp breaker helps protect electrical equipment and circuits from overloads and short circuits while maintaining your compatibility with existing power distribution setups. Its bolt-on mounting configuration allows for secure installation, and the included load-side lugs help simplify wiring during service or replacement applications.

Engineered for applications operating at up to 600VAC, the TKMA826350 is HACR rated and suitable for HVAC-related systems as well as a broad range of industrial power distribution equipment. The interchangeable trip unit design supports maintenance flexibility while preserving proper fit and function in compatible systems. With a durable molded case construction and compact footprint relative to its ampacity, this breaker is built to last in facilities where reliable circuit protection is essential to daily operations.

Key Features and Benefits

• 350 Amp Industrial Molded Case Circuit Breaker: Designed for commercial and industrial electrical distribution systems requiring dependable overcurrent protection.
• 2-Pole Configuration: Supports compatible AC power distribution systems in commercial and industrial environments.
• Thermal Magnetic Trip Unit: Helps provide protection against overloads and short circuits for connected electrical equipment and circuits.
• Internal Common Trip Mechanism: Enhances coordinated circuit interruption during fault conditions.
• Bolt-On Mounting Design: Supports secure installation within compatible electrical distribution equipment.
• HACR Rated: Suitable for HVAC and refrigeration applications where HACR-certified protection devices are required.
• Interchangeable Trip Unit Design: Supports maintenance flexibility while preserving proper fit and function in compatible systems.
• Includes Load-Side Lugs: Helps simplify wiring during service or replacement applications.
• Built for Demanding Environments: Durable molded case construction supports long-term use in commercial and industrial operating conditions.
  

Technical Specifications

• Part Number: TKMA826350
  
• Type: TKM8
  
• Poles: 2
  
• Amperes: 350A
  
• Voltage & A.I.C. Ratings: 22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
  
• Trip Unit: Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Trip Function: Internal Common Trip
  
• HACR Rated: Yes
  
• Included Accessories: Load-Side Lugs
  
• Dimensions:
  • Height: 15.5 in.
  • Width: 8.25 in.
  • Depth: 5.5 in.

Material Compliance and Certifications

• HACR Rated: The TKMA826350 circuit breaker is HACR rated for heating, air conditioning, and refrigeration applications where applicable system requirements call for HACR-certified protection devices.
• Commercial and Industrial Use: Its molded case construction is intended for use in commercial and industrial electrical distribution systems that require properly rated overcurrent protection equipment.
• Compatibility Verification: Always confirm compatibility with your existing panelboard, switchgear, or distribution equipment before installation.
  

Where It Works Best

• The TKMA826350 is commonly used in industrial manufacturing facilities, commercial buildings, HVAC and refrigeration systems, motor control applications, electrical distribution panels, processing plants, utility and infrastructure projects, and replacement applications requiring compatible TKM8 series breakers. Its combination of high ampacity, common trip protection, and bolt-on installation makes it a practical fit for facilities operating medium- to high-capacity electrical systems where dependable circuit protection is required.