TJK436225 - 225Amp Circuit Breaker

TJK436225 - 225 Amp Circuit Breaker

The TJK436225 molded case circuit breaker is designed for your dependable circuit protection in commercial and industrial electrical distribution systems. Built as part of the Q-Line family, this 3-pole, 225 amp breaker features a thermal magnetic trip unit with internal common trip functionality to help you protect connected equipment from overloads and short circuits. Its bolt-on mounting design supports secure installation in compatible panelboards and switchgear applications, while the included load-side lugs simplify conductor connections during replacement or maintenance work.

Engineered for form, fit, and function compatibility in existing electrical systems, the TJK436225 is commonly used in facilities where maintaining original equipment configurations is important. The breaker is also HACR rated, making it suitable for heating, air conditioning, and refrigeration equipment applications. With solid interrupting ratings across multiple voltage classes, this unit is built to last and well-suited for demanding power distribution environments.

Key Features and Benefits

• 225 amp molded case circuit breaker: Designed for dependable overcurrent and short-circuit protection in commercial and industrial electrical distribution systems.
• 3-pole configuration: Suitable for three-phase electrical systems and coordinated circuit protection applications.
• Type TJK4 design: Supports compatibility in legacy electrical equipment and existing installations where matching original specifications is essential.
• Thermal magnetic trip unit: Features a non-interchangeable trip design with internal common trip functionality for coordinated protection against overloads and short circuits.
• Q-Line bolt-on construction: Provides secure mounting in compatible panelboards and switchgear applications.
• HACR rated: Suitable for heating, air conditioning, and refrigeration equipment applications where applicable code compliance is required.
• Includes load-side lugs: Simplifies conductor connections during installation, replacement, or maintenance work.
• Built for demanding environments: Well-suited for commercial and industrial power distribution systems requiring dependable circuit protection.
  

Technical Specifications

• Part Number: TJK436225
  
• Type: TJK4
  
• Poles: 3
  
• Amperage Rating: 225 Amps
  
• Trip Unit: Thermal Magnetic
  
• Trip Style: Non-Interchangeable
  
• Mounting Style: Bolt-On
  
• Series: Q-Line
  
• A.I.C. Rating:
  • 22k @ 600VAC
  • 30k @ 480VAC
  • 42k @ 240VAC
• Dimensions:
  • Height: 10.13 inches
  • Width: 8.25 inches
  • Depth: 3.81 inches
• Included Accessories: Load-Side Lugs
  
• Certification: HACR Rated
  

Material Compliance and Certifications

• HACR Rated: The TJK436225 circuit breaker is HACR rated for use with heating, air conditioning, and refrigeration equipment applications where applicable code compliance is required.
• Durable Molded Case Construction: Its molded case construction is designed for long-term durability in commercial and industrial environments.
• Compatibility Considerations: Always confirm compatibility with your specific electrical system, panelboard, and application requirements before installation.
  

Where It Works Best

• Commercial buildings
• Industrial facilities
• Manufacturing plants
• HVAC distribution systems
• Motor control applications
• Electrical distribution panels
• Legacy power distribution equipment requiring Type TJK4 compatibility
• This breaker is especially useful in systems where maintaining existing equipment configurations and matching original specifications is essential for continued operation and serviceability.