FAL340401021 - 40 Amp Circuit Breaker

FAL340401021 - 40 Amp Circuit Breaker

When you're replacing an existing FA Series breaker, getting the details right matters. The Square D FAL340401021 is a 40 Amp, 3-pole molded case circuit breaker with a factory-installed shunt trip, making it a direct replacement for compatible 480V electrical systems that already use this accessory. Instead of changing panel layouts or modifying existing wiring, this breaker helps maintain the original form, fit, and function of the equipment.

Key Features and Benefits

• 40 Amp current rating for compatible three-phase distribution systems
• Three-pole configuration for 480V AC applications
• Factory-installed shunt trip for remote breaker operation
• Thermal-magnetic trip unit protects against overloads and short circuits
• Unit-mount construction for compatible FA Series installations
• Helps maintain the original form, fit, and function of existing equipment
• Line and load lug connections with AL100FA terminal identification
• HACR rated for qualifying heating, ventilation, air conditioning, and refrigeration applications
• Built to last in commercial and industrial electrical systems

Technical Specifications

• Manufacturer: Square D
  
• Catalog Number: FAL340401021
  
• Series: FA
  
• Product Type: Molded Case Circuit Breaker with Factory-Installed Shunt Trip
  
• Current Rating: 40 Amps
  
• Number of Poles: 3
  
• Voltage Rating: 480 VAC
  
• Trip Unit Technology: Thermal-Magnetic
  
• Factory-Installed Accessory: Shunt Trip
  
• Breaking Capacity Code: A
  
• Mounting Style: Unit Mount
  
• Electrical Connections:
  • Line Lugs
  • Load Lugs
• Terminal Identifier: AL100FA
  
• Phase Connection: ABC
  
• Magnetic Hold Current: 400 Amps
  
• Magnetic Tripping Current: 850 Amps
  
• Circuit Breaker Application: HACR Rated
  
• Dimensions:
  • Height: 6.4 in.
  • Width: 4.5 in.
  • Depth: 4.13 in.
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Square D FAL340401021 is UL Listed and CSA Certified for use in applicable electrical installations. It is also HACR rated, making it suitable for qualifying heating, ventilation, air conditioning, and refrigeration applications. Before replacing an existing breaker, verify that the amperage, pole configuration, voltage rating, mounting arrangement, terminal connections, and factory-installed shunt trip match the equipment being serviced. Install according to the National Electrical Code (NEC) and applicable local codes.

Where It Works Best

• Electrical distribution panels
• Manufacturing equipment
• Motor control systems
• HVAC equipment
• Refrigeration systems
• Three-phase power distribution equipment
• Compatible FA Series panelboards and electrical systems