TJK436150 - 150Amp Circuit Breaker

TJK436150 - 150 Amp Circuit Breaker

The TJK436150 molded case circuit breaker is designed for your dependable protection in commercial and industrial electrical distribution systems where consistent circuit interruption and equipment protection are essential. Built as part of the trusted Q-Line family, this 3-pole, 150-amp breaker features a non-interchangeable thermal-magnetic trip unit with internal common trip functionality to help you safeguard connected equipment from overloads and short circuits. Its bolt-on mounting configuration provides a secure installation fit for compatible panelboards and switchgear applications, while the included load-side lugs help simplify wiring during maintenance or replacement projects. With HACR rating capability and strong interrupting capacity across multiple voltage classes, the TJK436150 is well-suited for demanding environments where durable, long-lasting electrical protection is essential. Designed for form, fit, and functional compatibility in existing systems, this breaker supports continued operation of legacy electrical infrastructure without unnecessary modifications.

Key Features and Benefits

• 150 Amp Molded Case Circuit Breaker: Designed for commercial and industrial power distribution applications requiring dependable circuit protection.
• 3-Pole Configuration: Designed for use in three-phase electrical systems where coordinated protection across all poles is required.
• Q-Line Bolt-On Mounting: Provides secure panel integration for compatible panelboards and switchgear applications.
• Thermal Magnetic Trip Unit: Helps protect connected equipment against overloads and short circuits through dependable interruption functionality.
• Internal Common Trip Mechanism: Disconnects all poles simultaneously during fault conditions to support coordinated circuit safety.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration applications where HACR-rated protection is specified.
• Includes Load-Side Lugs: Helps simplify wiring during installation, maintenance, or replacement projects.
• Non-Interchangeable Trip Unit: Maintains fixed protection settings for consistent operational performance.
• Built for Long Service Life: Suitable for demanding electrical environments where durable and dependable protection is essential.
  

Technical Specifications

• Part Number: TJK436150
  
• Type: TJK4
  
• Poles: 3
  
• Amperage: 150A
  
• Interrupting Rating:
  • 22k A.I.C. @ 600VAC
  • 30k A.I.C. @ 480VAC
  • 42k A.I.C. @ 240VAC
• Trip Unit: Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Series: Q-Line
  
• Dimensions:
  • Height: 10.13 in
  • Width: 8.25 in
  • Depth: 3.81 in

Material Compliance and Certifications

• HACR Rated: Suitable for heating, air conditioning, and refrigeration applications requiring HACR-rated circuit protection.
• Molded Case Construction: Designed for industrial and commercial electrical distribution applications requiring dependable equipment protection.
• Industry Standards: Manufactured to meet applicable industry standards for circuit protection and electrical distribution equipment.
• Internal Common Trip Functionality: Supports coordinated circuit safety requirements during fault conditions.
  

Where It Works Best

• The TJK436150 circuit breaker is commonly used in commercial buildings, industrial facilities, manufacturing environments, HVAC systems, distribution panels, and electrical infrastructure requiring dependable 150A three-phase circuit protection. Its bolt-on Q-Line configuration makes it particularly suitable for maintaining or servicing existing electrical systems where compatibility with installed equipment is important. This breaker is a practical choice for electricians, contractors, maintenance professionals, and facility operators seeking a reliable replacement that can handle everyday operational demands.