TJK426200 - 200Amp Circuit Breaker

TJK426200 - 200 Amp Circuit Breaker

The TJK426200 molded case circuit breaker is designed for dependable circuit protection in your commercial and industrial electrical distribution systems, where consistent operation and compatibility with existing equipment are essential. Built as part of the GE/ABB Q-Line family, this 2-pole, 200-amp breaker features a thermal-magnetic trip unit with an internal common trip mechanism to help protect connected equipment from overloads and short circuits. Its bolt-on mounting design provides a secure installation in compatible panelboards and switchgear applications, while the included load-side lugs help simplify field wiring.

With interrupting ratings of 22kA at 600VAC, 30kA at 480VAC, and 42kA at 240VAC, the TJK426200 is commonly used in demanding power distribution environments where reliable overcurrent protection is required. This breaker is also HACR rated, making it suitable for heating, air conditioning, and refrigeration applications. Built for long-term service in existing electrical systems, the TJK426200 offers the form, fit, and function needed for maintenance, replacement, and retrofit projects involving compatible legacy equipment.

Key Features and Benefits

• 200 Amp Current Rating: Designed for medium- to large-scale commercial and industrial electrical loads.
• 2-Pole Configuration: Protects two energized conductors in compatible AC distribution systems.
• Thermal Magnetic Trip Unit: Combines thermal overload protection with magnetic short-circuit protection for dependable operation.
• Internal Common Trip Design: Helps ensure both poles trip simultaneously during fault conditions.
• Bolt-On Mounting Style: Supports secure installation in compatible Q-Line panelboards and distribution equipment.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration applications.
• Includes Load-Side Lugs: Helps streamline installation and conductor termination.
• Built for Lasting Service: Manufactured for continued use in demanding electrical environments and replacement applications.
  

Technical Specifications

• Part Number: TJK426200
  
• Type: TJK4
  
• Product Category: Molded Case Circuit Breaker
  
• Poles: 2
  
• Amperage: 200A
  
• Voltage / A.I.C. Rating:
  • 22kA @ 600VAC
  • 30kA @ 480VAC
  • 42kA @ 240VAC
• Trip Unit: Thermal Magnetic
  
• Trip Style: Internal Common Trip
  
• Mounting Style: Bolt-On
  
• Series: Q-Line
  
• HACR Rated: Yes
  
• Lugs: Includes Load-Side Lugs
  
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.

Material Compliance and Certifications

• HACR Rated: Approved for HVAC-related applications including heating, air conditioning, and refrigeration systems.
• Commercial and Industrial Use: Designed for use in compatible commercial and industrial electrical distribution systems.
• Construction Standards: Manufactured to meet applicable molded case circuit breaker construction and performance standards for its class and series.
  

Where It Works Best

• The TJK426200 circuit breaker is commonly used in commercial buildings, industrial facilities, manufacturing equipment, HVAC distribution systems, motor control applications, electrical panelboards and switchgear, and retrofit and replacement projects involving compatible Q-Line systems. Its combination of thermal magnetic protection, bolt-on installation, and established Q-Line compatibility makes it a practical choice for maintaining and servicing existing electrical infrastructure.