TJK436150WL **Older Style** - 150Amp Circuit Breaker

TJK436150WL **Older Style** - 150 Amp Circuit Breaker

The TJK436150WL molded case circuit breaker is designed for your dependable circuit protection in commercial and industrial electrical distribution systems that require a reliable 150 amp, 3 pole breaker solution. Built as part of the Q-Line Type TJK4 series, this breaker features a thermal magnetic trip unit with internal common trip to help you protect connected equipment and wiring from overloads and short circuits. Its cable-in/cable-out lug-lug configuration allows for straightforward installation in compatible legacy switchgear and panelboard applications, while the included line and load-side lugs help simplify setup in the field.

This older style black face breaker is commonly used in existing electrical systems where maintaining proper form, fit, and function is essential. Designed with durable molded case construction and HACR rating capability, the TJK436150WL is suitable for a variety of heavy-duty power distribution environments including manufacturing facilities, commercial buildings, mechanical systems, and industrial control applications. With interrupting capacities rated up to 22kA at 600VAC, this breaker is built to last and engineered to provide dependable protection where continuity and compatibility matter most.

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: Suitable for use in three-phase electrical systems commonly found in commercial and industrial environments.
• Older Style Black Face Design: Helps maintain compatibility with existing installations and legacy electrical infrastructure.
• Q-Line Type TJK4 Construction: Built as part of the trusted Q-Line breaker series for reliable long-term operation.
• Thermal Magnetic Trip Unit: Helps protect connected equipment and wiring against overloads and short circuits.
• Internal Common Trip Mechanism: Enhances coordinated circuit interruption across all poles.
• Cable-In/Cable-Out (Lug-Lug) Configuration: Supports flexible wiring applications and simplified installation.
• Includes Line and Load-Side Lugs: Helps streamline field setup and installation requirements.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment applications.
• Built for Long-Term Service: Designed to perform reliably in demanding commercial and industrial electrical environments.
  

Technical Specifications

• Part Number: TJK436150WL
  
• Manufacturer Series: Q-Line
  
• Type: TJK4
  
• Circuit Breaker Style: Older Style Black Face
  
• Poles: 3
  
• Amperage Rating: 150 Amps
  
• Voltage / A.I.C. Ratings: 22kA @ 600VAC; 30kA @ 480VAC; 42kA @ 240VAC
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Trip Type: Internal Common Trip
  
• Configuration: Cable-In/Cable-Out (Lug-Lug)
  
• Included Accessories: Line and Load-Side Lugs
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.

Material Compliance and Certifications

• Industry Standards: The TJK436150WL circuit breaker is manufactured for use in compatible electrical distribution systems and is designed to meet applicable industry standards for molded case circuit breakers.
• HACR Rating: Its HACR rating supports use in heating, ventilation, air conditioning, and refrigeration applications where properly specified. Always verify compatibility, installation requirements, and local electrical code compliance before installation.
  

Where It Works Best

• The TJK436150WL is commonly used in commercial buildings and tenant electrical distribution systems, industrial manufacturing facilities, mechanical and HVAC equipment disconnect applications, legacy switchboards and panelboards requiring older style black face breakers, three-phase power distribution systems, equipment protection circuits requiring thermal magnetic protection, and facilities maintaining existing Q-Line compatible electrical infrastructure. This breaker is especially well suited for replacement applications where maintaining the original system configuration and breaker footprint is important for continued operation and compatibility.