TJK426175 - 175Amp Circuit Breaker

TJK426175 - 175 Amp Circuit Breaker

The TJK426175 molded case circuit breaker is built for you to use in commercial and industrial electrical distribution systems that require dependable overcurrent protection and compatibility with existing equipment. This 2-pole, 175-amp breaker is part of the Q-Line series and features a non-interchangeable thermal magnetic trip unit with internal common trip operation. The bolt-on mounting design helps you provide a secure connection inside compatible panelboards and switchgear assemblies, while the included load-side lugs help streamline installation. With interrupting ratings of 22kA at 600VAC, 30kA at 480VAC, and 42kA at 240VAC, the TJK426175 is suitable for a range of higher-capacity electrical applications. Its molded case construction is designed for long-term service in demanding environments where maintaining existing systems and matching original equipment specifications are important.

Key Features and Benefits

• 2-Pole Molded Case Circuit Breaker: Designed for use in commercial and industrial electrical distribution systems requiring dependable overcurrent protection.
• 175 Amp Rating: Rated for 175 amps to support higher-capacity electrical applications.
• Thermal Magnetic Trip Unit: Features a non-interchangeable thermal magnetic trip unit for overload and short-circuit protection with an internal common trip mechanism.
• Bolt-On Mounting Configuration: The bolt-on mounting design helps provide a secure connection inside compatible panelboards and switchgear assemblies.
• Includes Load-Side Lugs: Includes load-side lugs to help streamline installation.
• HACR Rated: HACR rated for HVAC-related applications.
• Q-Line Compatibility: Designed for use in compatible Q-Line systems.
• Molded Case Housing: Molded case construction is designed for long-term service in demanding commercial and industrial environments.
  

Technical Specifications

• Part Number: TJK426175
  
• Type: TJK4
  
• Series: Q-Line
  
• Poles: 2
  
• Amperage Rating: 175A
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Interrupting Capacity:
  • 22kA @ 600VAC
  • 30kA @ 480VAC
  • 42kA @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.
• Included: Load-Side Lugs
  

Material Compliance and Certifications

• HACR Rated: HACR rated for HVAC-related applications.
• Commercial and Industrial Use: Manufactured for use in compatible commercial and industrial electrical systems.
• Installation Compliance: Intended for installation in accordance with applicable electrical codes and equipment requirements.
  

Where It Works Best

• The TJK426175 circuit breaker is commonly used in commercial facilities, industrial buildings, electrical distribution systems, and HVAC applications requiring a 175-amp, 2-pole breaker. It is a practical choice for maintaining or servicing existing Q-Line equipment where matching form, fit, and function is necessary. Typical installations include panelboards, switchgear, distribution equipment, and feeder circuits operating within the breaker’s listed voltage and interrupting ratings.