FA24050AB - 50 Amp Circuit Breaker

FA24050AB - 50 Amp Circuit Breaker

The FA24050AB is a 50 Amp, 2-pole thermal-magnetic molded case circuit breaker designed for use in compatible FA-frame I-Line panelboards and switchboards. With its A-B phase, plug-in I-Line configuration, it serves as a form, fit, and functional replacement for existing installations where matching the original specifications is important.

This breaker provides both thermal overload protection and instantaneous magnetic protection against short circuits, helping protect branch circuits and connected equipment during normal operation.

Key Features and Benefits

• 50 Amp current rating
• Two-pole design
• FA frame molded case circuit breaker
• Thermal-magnetic trip mechanism
• I-Line plug-in mounting
• A-B phase configuration
• HACR Type rated
• Designed for 60Hz electrical systems
• Suitable for operation in ambient temperatures up to 40°C
  

Technical Specifications

• Part Number: FA24050AB
  
• Product Type: Molded Case Circuit Breaker
  
• Frame Type: FA
  
• Amperage: 50 Amps
  
• Poles: 2
  
• Trip Type: Thermal-Magnetic
  
• Interrupting Rating: 25kA @ 240VAC; 18kA @ 480VAC
  
• Frequency: 60Hz
  
• Mounting Style: I-Line Plug-In
  
• Phase: A-B
  
• HACR Rated: Yes
  
• Ambient Temperature: 40°C
  
• Dimensions:
  • Width: 3.00"
  • Height: 8.75"
  • Depth: 4.38"
• Approximate Shipping Weight: 6.25 lbs.
  

Material Compliance and Certifications

The FA24050AB is an HACR Type molded case circuit breaker intended for use in compatible FA-frame I-Line electrical distribution equipment. Before installation, confirm that the breaker’s frame, amperage, interrupting rating, mounting style, and phase arrangement match the equipment manufacturer's specifications. Installation should always comply with the National Electrical Code (NEC) and applicable local electrical codes.

Where It Works Best

The FA24050AB is commonly found in a variety of commercial and industrial electrical systems, including:

• I-Line panelboards
• Switchboards
• Commercial buildings
• Industrial facilities
• Warehouses
• Office buildings
• Schools and universities
• Hospitals and medical facilities
• HVAC and refrigeration systems requiring an HACR Type circuit breaker