FD63B080L - 80Amp Circuit Breaker

FD63B080L - 80Amp Circuit Breaker

The Siemens FD63B080L is an 80 Amp, 3-pole molded case circuit breaker with a thermal-magnetic trip unit for your compatible FD-frame breaker applications. This model includes line and load side lugs, making it a complete breaker assembly for systems requiring an FD-frame, 600 VAC rated circuit breaker.

Key Features and Benefits

• Siemens FD-frame molded case circuit breaker
• Catalog Number: FD63B080L
• 80 Amp rating
• Three-pole breaker configuration
• Thermal-magnetic trip unit
• Overload and short-circuit protection
• 600 VAC voltage rating
• Standard 40°C breaker rating
• Includes line and load side lugs
• UL 489 and IEC 60947-2 compliant
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: FD63B080L
  
• Product Type: Molded Case Circuit Breaker
  
• Frame: FD
  
• Amperage Rating: 80 Amps
  
• Poles: 3
  
• Trip Type: Thermal-Magnetic
  
• Voltage Rating: 600 VAC
  
• Frequency Rating: 50/60 Hz
  
• Interrupting Capacity:
  • 22 kAIC at 600 VAC
  • 35 kAIC at 480 VAC
• Terminals: Line and Load Side Lugs
  
• Wire Range:
  • Copper: 6 AWG – 350 kcmil
  • Aluminum: 4 AWG – 350 kcmil
• Dimensions: 4.5 in. W × 9.5 in. H × 4 in. D
  
• Weight: Approximately 10.031 lbs
  
• UPC: 783643005266
  

Material Compliance and Certifications

The Siemens FD63B080L is designed to meet UL 489 and IEC 60947-2 standards for molded case circuit breaker applications. It is built for use in FD-frame systems where the specified amp rating, voltage rating, pole count, and interrupting capacity are required.

Where It Works Best

The Siemens FD63B080L is commonly used in commercial facilities, industrial applications, and electrical distribution systems using compatible FD-frame molded case circuit breakers. It is a good fit for applications requiring an 80 Amp, three-pole breaker with factory-installed lugs and thermal-magnetic protection.