TJD432400WL - 400Amp Circuit Breaker

TJD432400WL - 400 Amp Circuit Breaker

The TJD432400WL molded case circuit breaker is designed for dependable circuit protection in your commercial and industrial electrical distribution systems where consistent performance and compatibility matter. Built as part of the trusted Q-Line family, this 3-pole breaker features a 400-amp rating and a 22kA interrupting capacity at 240VAC, making it well-suited for handling demanding power distribution applications. Its cable-in/cable-out lug-lug configuration simplifies installation while the internal common trip mechanism helps you to provide coordinated protection across all poles during overloads or short circuits. With included line- and load-side lugs, the TJD432400WL is ready for use in a variety of panelboard and switchgear environments where maintaining existing system fit and function is essential. HACR-rated construction also supports use in heating, air conditioning, and refrigeration applications where reliable overcurrent protection is required. Built to last and engineered for long-term serviceability, this breaker remains a practical solution for maintaining and servicing existing electrical systems.

Key Features and Benefits

• 400 Amp Molded Case Circuit Breaker: Designed for commercial and industrial power distribution applications requiring dependable circuit protection.
• 3-Pole Configuration: Supports three-phase electrical systems commonly used in commercial and industrial environments.
• 22kA Interrupting Capacity at 240VAC: Provides dependable fault protection for demanding electrical distribution systems.
• Q-Line Compatibility: Q-Line breaker design supports compatibility with designated legacy electrical systems.
• Cable-In/Cable-Out Lug-Lug Configuration: Helps streamline wiring connections and simplify installation.
• Internal Common Trip Mechanism: Disconnects all poles simultaneously during overloads or short circuit conditions to help provide coordinated protection.
• HACR Rated: Approved for use in heating, ventilation, air conditioning, and refrigeration equipment applications.
• Included Line and Load-Side Lugs: Comes ready for installation convenience in compatible systems.
• Compact Molded Case Design: Helps conserve panel space while maintaining accessibility.
• Built for Long-Term Durability: Engineered for demanding operating environments and long-term serviceability.
  

Technical Specifications

• Part Number: TJD432400WL
  
• Type: TJD
  
• Product Category: Molded Case Circuit Breaker
  
• Series: Q-Line
  
• Poles: 3
  
• Amperage Rating: 400A
  
• Interrupting Rating: 22kA @ 240VAC
  
• Trip Type: Internal Common Trip
  
• Connection Type: Cable-In/Cable-Out (Lug-Lug)
  
• HACR Rated: Yes
  
• Included Accessories: Line and Load-Side Lugs
  
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.

Material Compliance and Certifications

• Commercial and Industrial Application Compliance: The TJD432400WL circuit breaker is manufactured for use in applicable commercial and industrial electrical systems and is HACR rated for approved HVAC and refrigeration applications.
• Molded Case Protection: Molded case construction helps protect internal components from environmental wear commonly encountered in electrical distribution settings.
• Installation Requirements: Proper installation should always be completed by qualified electrical personnel and in accordance with local electrical codes and manufacturer specifications.
  

Where It Works Best

• The TJD432400WL is commonly used in commercial facilities, industrial plants, distribution panels, motor control applications, HVAC equipment, and other three-phase electrical systems requiring a 400A molded case circuit breaker. It is especially useful for maintenance, replacement, and continued operation of existing Q-Line compatible equipment where matching form, fit, and electrical ratings are important.