THJK436150WL - 150Amp Circuit Breaker

THJK436150WL - 150 Amp  Circuit Breaker

The THJK436150WL is a 3-pole, 150-amp molded case circuit breaker designed for use in your commercial and industrial electrical distribution systems requiring dependable overcurrent and short-circuit protection. Part of the THJK4 series, this breaker features a non-interchangeable thermal magnetic trip unit with internal common trip functionality, helping to protect your connected equipment and conductors from overload and fault conditions. Its cable-in/cable-out lug-lug configuration includes both line-side and load-side lugs, simplifying installation in a variety of panelboard and switchgear applications.

Built for long service life in demanding electrical environments, the THJK436150WL combines proven thermal magnetic protection with high interrupting capacity ratings. The breaker is HACR rated and suitable for applications involving heating, air conditioning, and refrigeration equipment where code-compliant overcurrent protection is required. With its compact molded case design and multiple voltage ratings, this circuit breaker is a practical form, fit, and function replacement for compatible THJK4-series installations and maintenance projects.

Key Features and Benefits

• 150 amp continuous current rating
• 3-pole configuration for three-phase electrical systems
• THJK4 series molded case circuit breaker
• Thermal magnetic trip unit provides overload and short-circuit protection
• Non-interchangeable trip design
• Internal common trip mechanism
• Cable-in/cable-out (lug-lug) construction
• Includes line-side and load-side lugs
• HACR rated for heating, air conditioning, and refrigeration applications
• High interrupting capacity ratings for enhanced fault protection
• Built to deliver long-lasting service in commercial and industrial environments
• Suitable as a form, fit, and function replacement in compatible equipment

Technical Specifications

• Part Number: THJK436150WL
  
• Series: THJK4
  
• Type: Molded Case Circuit Breaker
  
• Poles: 3
  
• Amperage Rating: 150A
  
• Trip Unit: Thermal Magnetic
  
• Trip Style: Non-Interchangeable
  
• Trip Function: Internal Common Trip
  
• Configuration: Cable-In/Cable-Out (Lug-Lug)
  
• Included Connections: Line-Side and Load-Side Lugs
  
• HACR Rated: Yes
  
• Interrupting Rating @ 600VAC: 25kA
  
• Interrupting Rating @ 480VAC: 35kA
  
• Interrupting Rating @ 240VAC: 65kA
  
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.

Material Compliance and Certifications

• HACR Rated
• Designed and manufactured for use in commercial and industrial electrical power distribution systems
• Thermal magnetic protection technology for overcurrent and short-circuit protection
• Meets applicable ratings and specifications associated with the THJK4 product family

Where It Works Best

• The THJK436150WL is well suited for commercial buildings, industrial facilities, manufacturing operations, power distribution equipment, panelboards, switchgear assemblies, HVAC systems, and other three-phase electrical installations requiring a 150-amp molded case circuit breaker. Its lug-lug design makes it particularly useful in applications where direct cable termination is preferred, while its multiple interrupting ratings support use across a range of system voltages. Whether used for equipment protection, feeder circuits, or distribution applications, this breaker provides dependable circuit protection for compatible electrical systems.