FA26100AB **Old Style** - 100 Amp Circuit Breaker

FA26100AB **Old Style** - 100 Amp Circuit Breaker

When you're keeping an existing electrical system in service, matching the original breaker matters. The FA26100AB Old Style is a 100 Amp, 2-pole thermal magnetic molded case circuit breaker made for compatible FA Series I-Line installations. With its I-Line plug-in design and A-B phase configuration, it fits applications where maintaining the original form, fit, and function is essential. The thermal magnetic trip unit responds to both sustained overloads and short circuits, helping protect electrical equipment during normal operation.

Key Features and Benefits

• 100 Amp current rating
• Two-pole molded case circuit breaker
• FA Series Old Style configuration
• Thermal magnetic trip protection for overloads and short circuits
• I-Line plug-in mounting style
• A-B phase configuration
• Rated for 60Hz electrical systems
• HACR Type rated
• Designed for operation in 40°C ambient conditions
• Form, fit, and functional replacement for compatible FA Series installations
• Built to last for continued use in existing electrical systems
  

Technical Specifications

• Part Number: FA26100AB Old Style
  
• Type: FA
  
• Product Type: Thermal Magnetic Molded Case Circuit Breaker
  
• Amperage: 100 Amps
  
• Poles: 2
  
• Voltage Rating: 240VAC / 480VAC
  
• Interrupting Rating: 25kA @ 240VAC; 18kA @ 480VAC
  
• Frequency: 60Hz
  
• Mounting Style: I-Line Plug-In
  
• Phase Configuration: A-B
  
• Trip Type: Thermal Magnetic
  
• HACR Rated: Yes
  
• Ambient Temperature Rating: 40°C
  
• Dimensions:
  • 3.00" W × 8.75" H × 4.38" D
• Approximate Shipping Weight: 6.25 lbs.
  

Material Compliance and Certifications

The FA26100AB Old Style is a HACR Type thermal-magnetic molded-case circuit breaker for use in compatible FA Series I-Line electrical equipment. Always verify that the amperage, voltage rating, interrupting capacity, mounting style, pole configuration, and phase arrangement match the equipment's requirements before installation. Installation should be performed by qualified personnel in accordance with the National Electrical Code (NEC), local electrical codes, and the equipment manufacturer's recommendations.

Where It Works Best

• FA Series I-Line panelboards and switchboards
• Commercial buildings
• Industrial facilities
• HVAC and refrigeration equipment requiring a HACR-rated breaker
• Existing 240VAC and 480VAC distribution systems
• Maintenance and repair of compatible legacy electrical equipment
• Applications requiring the original form, fit, and function of the FA26100AB Old Style