TJJ426300 **Older Style** - 300 Amp Circuit Breaker

TJJ426300 **Older Style** - 300 Amp Circuit Breaker

The General Electric TJJ426300 is a high-performance 2-pole, 300-amp molded case circuit breaker, engineered for demanding industrial and commercial applications. With its superior interrupting capacity and advanced thermal magnetic trip unit, this circuit breaker offers robust protection against overloads and short circuits, ensuring operational safety and reliability. Designed with a bolt-on installation mechanism and equipped with load-side lugs, it simplifies setup and enhances connection security in a variety of electrical systems.

Key Features and Benefits

• Exceptional Interrupting Capacity: Handles fault currents of 22kA at 600 VAC, 30kA at 480 VAC, and 42kA at 240 VAC, making it suitable for high-power environments. Protects critical systems against electrical faults effectively.
• Thermal Magnetic Trip Unit: Provides reliable protection from both overload and short circuits.
• Bolt-On Design with Load-Side Lugs: Ensures quick, secure installation and efficient maintenance.
• HACR Rated: Versatile for heating, air conditioning, and refrigeration applications.
  

Technical Specifications

• Amperage: 300A
  
• Poles: 2
• Interrupting Capacity (AIC):
  • 22kA at 600 VAC
  • 30kA at 480 VAC
  • 42kA at 240 VAC
• Frame Type: TJJ
  
• Dimensions: 8.25" W x 10.13" L x 3.81" D
  
• Ship Weight: 24 lbs
  

Material Compliance and Certifications

• Compliance: The TJJ426300 meets rigorous industry standards for molded case circuit breakers, ensuring compliance with safety and performance requirements.
• HACR Rated: Confirms its suitability for use in HVAC and refrigeration systems, as well as broader industrial applications.
  

Suitability

• The TJJ426300 is ideal for high-demand electrical systems in industrial and commercial settings. Its durable design, high interrupting capacity, and versatile HACR rating make it a trusted solution for professionals seeking reliable circuit protection. Whether used in manufacturing, infrastructure, or HVAC applications, this circuit breaker delivers consistent performance and ease of use.