TJD432300WL **Older Style** 300A Circuit Breaker

TJD432300WL **Older Style** 300A Circuit Breaker

The TJD432300WL Older Style Black Face molded case circuit breaker is designed for dependable protection in your commercial and industrial electrical distribution systems that require a 300 amp, 3-pole breaker configuration. Built as part of the trusted Q-Line family, this breaker features an internal common trip mechanism that helps you to protect connected equipment and circuits during overloads and short circuits. Its cable-in/cable-out lug-lug design simplifies installation in compatible panelboards and switchgear, while the included line- and load-side lugs help support secure conductor termination.

With a 22k A.I.C. rating at 240VAC, the TJD432300WL is commonly used in facilities where maintaining existing electrical infrastructure and equipment compatibility matters. The older style black face configuration makes it suitable for matching legacy installations where form and fit are important. HACR rating compatibility also allows this breaker to be used in heating, air conditioning, and refrigeration applications. Built with durable molded case construction, this breaker is made for long-term service in demanding environments where reliable circuit protection is essential.

Key Features and Benefits

• 300-amp molded case circuit breaker: Designed for commercial and industrial power distribution.
• 3-pole configuration: Protects three-phase electrical systems.
• Older style black face design: Supports compatibility with existing equipment layouts.
• Internal common trip mechanism: Helps disconnect all poles simultaneously during fault conditions.
• Q-Line series construction: Supports use in a wide range of compatible electrical systems.
• Cable-in/cable-out (lug-lug) configuration: Allows direct conductor termination.
• Includes line-side and load-side lugs: Supports installation convenience.
• HACR rated: Suitable for heating, air conditioning, and refrigeration applications.
• Compact molded case design: Helps save panel space while providing dependable protection.
• Built to last: Made for demanding electrical environments requiring reliable circuit protection.
  

Technical Specifications

• Part Number: TJD432300WL
  
• Series / Type: TJD / Q-Line
  
• Breaker Type: Molded Case Circuit Breaker
  
• Poles: 3
  
• Amperage Rating: 300 Amps
  
• Voltage Rating: 240VAC
  
• A.I.C. Rating: 22kA @ 240VAC
  
• Trip Type: Internal Common Trip
  
• Connection Type: 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.
• Face Style: Older Style Black Face
  

Material Compliance and Certifications

• HACR Rated: Approved for heating, air conditioning, and refrigeration applications.
• Commercial and Industrial Use: Manufactured for use in compatible commercial and industrial electrical distribution systems.
• Molded Case Construction: Designed for durability and electrical insulation performance.
• Industry Standards: Designed to meet applicable industry standards for molded case circuit breaker applications.
  

Where It Works Best

• The TJD432300WL is well-suited for commercial buildings, industrial facilities, manufacturing operations, HVAC systems, distribution panels, and legacy electrical systems requiring a compatible 300 amp, 3-pole breaker. It is particularly useful where maintaining the original equipment configuration and physical fit is important for ongoing operation and maintenance.