FD63B150 - 150Amp Circuit Breaker

FD63B150 - 150Amp Circuit Breaker

The Siemens FD63B150 is a 150 Amp, 3-pole molded case circuit breaker designed for FD-frame applications. It features a thermal-magnetic trip unit and factory-installed line and load side lugs, providing the breaker configuration needed for your compatible electrical distribution equipment.

Rated for 600 VAC, the FD63B150 provides 22 kAIC at 600V and 35 kAIC at 480V interrupting capacity. It supports larger conductors, including 6 AWG to 350 kcmil copper and 4 AWG to 350 kcmil aluminum.

Key Features and Benefits

• Siemens FD-frame molded case circuit breaker
• Catalog Number: FD63B150
• 150 Amp rating
• Three-pole configuration
• Thermal-magnetic trip unit
• Provides overload and short-circuit protection
• Rated for 600 VAC
• Interrupting ratings:
  • 22 kAIC at 600 VAC
  • 35 kAIC at 480 VAC
• Standard 40°C breaker rating
• Factory-installed line and load side lugs
• Supports:
  • Copper conductors: 6 AWG to 350 kcmil
  • Aluminum conductors: 4 AWG to 350 kcmil
• Meets UL 489 and IEC 60947-2 standards
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: FD63B150
  
• Product Type: Molded Case Circuit Breaker
  
• Frame: FD
  
• Amperage Rating: 150 Amps
  
• Number of 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
• Terminal Configuration: 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 9.017 lbs
  
• UPC: 783643211476
  

Material Compliance and Certifications

The Siemens FD63B150 is designed for FD-frame molded case circuit breaker applications and meets UL 489 and IEC 60947-2 standards. It is intended for use in systems where the breaker frame, amp rating, pole configuration, voltage rating, and interrupting capacity match the requirements of the electrical equipment.

Where It Works Best

The Siemens FD63B150 is commonly used in commercial buildings, industrial facilities, and electrical distribution equipment that uses compatible FD-frame molded case circuit breakers. It is a good fit for applications requiring a 150 Amp, three-pole breaker with thermal-magnetic protection, high interrupting capacity, and factory-installed lug connections.