TJJ426250 **Older Style** - 250Amp Circuit Breaker

TJJ426250 **Older Style** - 250 Amp Circuit Breaker

The TJJ426250 molded case circuit breaker is designed for dependable circuit protection in your commercial and industrial electrical distribution systems requiring a 250 amp, 2-pole configuration. Built as part of the GE Q-Line family, this older style black face breaker features a thermal magnetic trip unit with internal common trip functionality to help protect connected equipment from overloads and short circuits. Its bolt-on mounting design provides a secure installation for panelboards and switchgear applications where consistent fit and compatibility matter. With strong interrupting ratings up to 22kA at 600VAC, this breaker is well-suited for facilities operating higher-voltage systems, including manufacturing environments, HVAC installations, distribution equipment, and other demanding electrical applications. Designed with non-interchangeable trip characteristics and built to last, the TJJ426250 offers reliable protection for maintaining legacy electrical infrastructure and replacing existing compatible units with confidence.

Key Features and Benefits

• 250 amp, 2-pole molded case circuit breaker: Designed for dependable circuit protection in commercial and industrial electrical distribution systems.
• Older style black face configuration: Helps maintain compatibility with existing systems and legacy equipment installations.
• GE Q-Line series design: Built as part of the trusted GE Q-Line family for consistent application compatibility.
• Bolt-on mounting: Helps provide a secure and stable installation in panelboards and switchgear applications.
• Thermal magnetic trip unit: Offers protection against overloads and short circuits for connected electrical equipment.
• Internal common trip mechanism: Enhances multi-pole protection and coordinated circuit interruption.
• HACR rated: Suitable for heating, air conditioning, and refrigeration applications.
• Includes load-side lugs: Simplifies installation and connection requirements.
• Non-interchangeable trip unit configuration: Designed for consistent and reliable breaker performance.
• Built for demanding environments: Suitable for commercial and industrial power distribution systems requiring long-term durability.
  

Technical Specifications

• Part Number: TJJ426250
  
• Manufacturer Series: Q-Line
  
• Type: TJJ
  
• Circuit Breaker Style: Older Style Black Face
  
• Poles: 2
  
• Amperage: 250A
  
• Voltage & A.I.C. Ratings: 22kA @ 600VAC; 30kA @ 480VAC; 42kA @ 240VAC
  
• Trip Unit: Thermal Magnetic
  
• Trip Configuration: Internal Common Trip
  
• Mounting Type: Bolt-On
  
• Dimensions:
  • Height: 10.13"
  • Width: 8.25"
  • Depth: 3.81"
• Included Accessories: Load-Side Lugs
  
• HACR Rated: Yes
  

Material Compliance and Certifications

• HACR Rated: Approved for HVAC and refrigeration system applications requiring dependable circuit protection.
• Industry Standards: Manufactured to meet industry standards for molded case circuit breakers used in commercial and industrial electrical distribution equipment.
• Thermal Magnetic Protection: Supports safe operation under overload and fault conditions while helping protect connected electrical systems and equipment.
  

Where It Works Best

• The TJJ426250 circuit breaker is commonly used in commercial buildings, industrial facilities, electrical distribution panels, motor control systems, HVAC equipment, and legacy power distribution setups requiring a compatible GE Q-Line breaker. Its bolt-on construction and older-style black face design make it particularly useful for maintenance, repair, and replacement projects where matching existing equipment specifications is important.