TJD432350 - 350Amp Circuit Breaker

TJD432350 - 350 Amp Circuit Breaker

The TJD432350 is a 3-pole molded case circuit breaker designed for dependable circuit protection in your commercial and industrial electrical distribution systems. Built as part of the trusted Q-Line family, this bolt-on breaker is rated for 350 amps and features an internal common trip mechanism that disconnects all poles simultaneously during overloads or short circuits. With a 22k A.I.C. rating at 240VAC, the TJD432350 is well-suited for protecting your equipment and branch circuits where reliable interruption capacity is essential.

This HACR-rated breaker is commonly used in panelboards, switchboards, motor distribution equipment, and HVAC applications that require consistent overcurrent protection and secure bolt-on installation. The included load-side lugs help simplify installation while supporting solid conductor termination. Designed for long-term service in demanding electrical environments, the TJD432350 offers the form, fit, and function needed for maintaining or replacing compatible legacy systems without unnecessary modifications.

Key Features and Benefits

• 350 Amp Current Rating: Suitable for higher-capacity commercial and industrial power distribution applications.
• 3-Pole Configuration: Provides protection for three-phase electrical systems.
• 22k A.I.C. @ 240VAC: Interrupting capacity designed to help protect connected equipment during fault conditions.
• Bolt-On Mounting Design: Helps provide a secure and stable installation within compatible panels and switchboards.
• Internal Common Trip: Simultaneously disconnects all poles during overload or short-circuit events.
• HACR Rated: Appropriate for heating, air conditioning, and refrigeration equipment applications.
• Includes Load-Side Lugs: Supports easier field installation and conductor connection.
• Q-Line Series Compatibility: Designed for use in compatible legacy electrical distribution systems.
• Built with Durable Materials: Intended for long service life in demanding environments.
  

Technical Specifications

• Part Number: TJD432350
  
• Type: TJD
  
• Product Category: Molded Case Circuit Breaker
  
• Series: Q-Line
  
• Mounting Style: Bolt-On
  
• Poles: 3
  
• Amperes: 350A
  
• Voltage Rating: 240VAC
  
• A.I.C. Rating: 22kA @ 240VAC
  
• Trip Type: Internal Common Trip
  
• HACR Rated: Yes
  
• Included Accessories: Load-Side Lugs
  
• Dimensions:
  • Height: 10.13 in.
  • Width: 8.25 in.
  • Depth: 3.81 in.

Material Compliance and Certifications

• Commercial and Industrial Use: The TJD432350 molded case circuit breaker is manufactured for use in commercial and industrial electrical systems requiring dependable overcurrent protection and compatibility with applicable installation standards.
• HACR Certification: HACR certification supports use in HVAC-related equipment applications where permitted by local electrical codes and system requirements.
• Installation Verification: Always verify compatibility, conductor sizing, and installation requirements before use.
  

Where It Works Best

• Commercial buildings
• Industrial facilities
• HVAC distribution systems
• Manufacturing equipment panels
• Electrical switchboards and panelboards
• Three-phase power distribution applications
• Replacement projects involving compatible Q-Line breaker systems
• Its bolt-on configuration and common-trip protection make it a practical solution for maintaining existing electrical infrastructure where matching form and fit are important.