TJJ436150WL **Older Style** - 150Amp Circuit Breaker

TJJ436150WL **Older Style** - 150 Amp Circuit Breaker

The TJJ436150WL molded case circuit breaker is designed for dependable protection in your commercial and industrial electrical distribution systems where maintaining compatibility with existing equipment is essential. This 3-pole, 150-amp breaker features the older style black face configuration and is equipped with a non-interchangeable thermal magnetic trip unit and internal common trip mechanism for consistent circuit protection under overload and short-circuit conditions. Built for cable-in/cable-out applications, the lug-lug configuration includes both line- and load-side lugs to simplify installation and replacement in compatible legacy systems. Its Q-Line construction and HACR rating make it well-suited for a range of HVAC, motor control, panelboard, and distribution applications where proven fit and function matter. Designed to handle demanding electrical environments, this breaker is built to last while helping support the continued operation of existing infrastructure.

Key Features and Benefits

• 150A Molded Case Circuit Breaker: Designed for commercial and industrial power distribution.
• Older Style Black Face Configuration: Provides compatibility with existing installations.
• 3-Pole Design: Supports three-phase electrical systems.
• Thermal Magnetic Trip Unit: Helps provide protection against overloads and short circuits.
• Internal Common Trip Mechanism: Disconnects all poles simultaneously during fault conditions.
• Cable-in/Cable-out Lug-Lug Configuration: Includes both line- and load-side lugs.
• Q-Line Construction: Designed for use in compatible panelboards and distribution equipment.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration applications.
• Compact Footprint: Helps fit existing electrical setups with minimal modification.
• Built for Long-Term Service: Designed for demanding electrical environments.
  

Technical Specifications

• Part Number: TJJ436150WL
  
• Type: TJJ
  
• Style: Older Style Black Face
  
• Poles: 3
  
• Amperage Rating: 150 Amps
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Trip Function: Internal Common Trip
  
• Configuration: Cable-in/Cable-out (Lug-Lug)
  
• Included Accessories: Line and Load-Side Lugs
  
• A.I.C. Rating:
  • 22k @ 600VAC
  • 30k @ 480VAC
  • 42k @ 240VAC
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.
• HACR Rated: Yes
  

Material Compliance and Certifications

• HACR Rated: Approved for heating, air conditioning, and refrigeration system applications.
• Manufacturing Standards: Manufactured for use in accordance with applicable molded case circuit breaker standards and compatible electrical distribution equipment requirements.
• Professional Installation: Designed for installation by qualified electrical professionals following local electrical codes and manufacturer specifications.
  

Where It Works Best

• The TJJ436150WL is commonly used in commercial buildings, industrial facilities, HVAC systems, motor distribution equipment, and legacy electrical panel applications requiring a compatible 150A, 3-pole molded case circuit breaker. It is especially useful where maintaining original equipment configuration and proper fit within existing systems is important.