TJK436150 **Older Style** - 150Amp Circuit Breaker

TJK436150 **Older Style** - 150 Amp Circuit Breaker

The TJK436150 molded case circuit breaker is designed for your commercial and industrial electrical distribution systems that require dependable overcurrent protection in existing installations. Built as part of the Q-Line Type TJK4 series, this 3-pole, 150-amp circuit breaker features an older-style black face design, making it a practical form, fit, and functional replacement for compatible legacy equipment. Its thermal magnetic trip unit protects against both overloads and short circuits, while the internal common trip mechanism helps you to disconnect all poles simultaneously during fault conditions. With bolt-on mounting, HACR rating, and included load-side lugs, the TJK436150 is commonly used in panelboards, switchboards, motor control systems, and HVAC-related applications where reliable circuit protection is required. Built to last and engineered for consistent operation, this breaker supports the continued service of existing electrical infrastructure without unnecessary modifications.

Key Features and Benefits

• 150 Amp molded case circuit breaker: Designed for dependable overcurrent protection in commercial and industrial electrical distribution systems.
• 3-pole configuration: Supports three-phase electrical systems commonly used in commercial and industrial applications.
• Older style black face: Provides compatibility with existing installations and legacy equipment requiring matching form and fit.
• Thermal Magnetic Trip Unit: Responds to overload and short-circuit conditions for reliable circuit protection.
• Internal Common Trip Mechanism: Disconnects all poles simultaneously during fault conditions to enhance system protection.
• Bolt-On Mounting: Supports secure installation in compatible panelboards and switchboards.
• HACR Rated: Approved for heating, air conditioning, and refrigeration applications.
• Includes Load-Side Lugs: Allows for convenient electrical connections during installation.
• Built for Commercial and Industrial Systems: Commonly used in panelboards, switchboards, motor control systems, and HVAC-related applications where reliable circuit protection is required.
  

Technical Specifications

• Part Number: TJK436150
  
• Type: TJK4
  
• Series: Q-Line
  
• Circuit Breaker Style: Older Style Black Face
  
• Poles: 3
  
• Amperage: 150A
  
• Trip Unit: Thermal Magnetic, Non-Interchangeable
  
• Mounting Type: Bolt-On
  
• Interrupting Rating:
  • 22k A.I.C. @ 600VAC
  • 30k A.I.C. @ 480VAC
  • 42k A.I.C. @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.
• Included Accessories: Load-Side Lugs
  
• Application Rating: HACR Rated
  

Material Compliance and Certifications

• HACR Rated: Approved for HVAC and refrigeration applications requiring compliant circuit protection.
• Industry Electrical Standards: Manufactured for use in accordance with applicable industry electrical standards.
• Durable Molded Case Construction: Designed for long-term durability in demanding electrical environments.
• Code-Compliant Installation: Suitable for properly rated commercial and industrial electrical systems when installed according to local electrical codes and manufacturer guidelines.
  

Where It Works Best

• The TJK436150 is well-suited for electrical distribution systems in commercial buildings, industrial facilities, manufacturing environments, HVAC equipment installations, and existing Q-Line panel applications requiring a compatible 150A, 3-pole breaker. Its older-style black-face configuration makes it especially useful for maintaining or servicing legacy electrical systems where matching form and fit matter.