FD63B200L - 200Amp Circuit Breaker

FD63B200L - 200Amp Circuit Breaker

The Siemens FD63B200L is a 200 Amp, 3-pole molded case circuit breaker designed for FD-frame electrical distribution systems that require reliable protection and a complete breaker assembly configuration. Featuring a thermal-magnetic trip unit and factory-installed line and load side lugs, this breaker helps protect your electrical circuits from overloads and short-circuit conditions while simplifying conductor connections in compatible applications.

With a 600 VAC rating, the FD63B200L provides 22 kAIC at 600V and 35 kAIC at 480V interrupting capacity. Its three-pole design is suited for three-phase electrical systems, and its broad wire range accommodates both copper and aluminum conductors.

Key Features and Benefits

• Siemens FD-frame molded case circuit breaker
• Catalog Number: FD63B200L
• 200 Amp current rating
• Three-pole design for three-phase applications
• Thermal-magnetic trip unit for overload and short-circuit protection
• Complete assembly with factory-installed lugs
• Includes line and load side lug connections
• Rated for 600 VAC
• Interrupting capacity:
  • 22 kAIC at 600 VAC
  • 35 kAIC at 480 VAC
• Standard 40°C breaker rating
• Supports large conductor sizes:
  • Copper: 6 AWG to 350 kcmil
  • Aluminum: 4 AWG to 350 kcmil
• Designed to meet UL 489 and IEC 60947-2 standards
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: FD63B200L
  
• Product Type: Molded Case Circuit Breaker
  
• Frame Type: FD
  
• Amperage Rating: 200 Amps
  
• Number of Poles: 3
  
• Trip Unit Type: Thermal-Magnetic
  
• Voltage Rating: 600 VAC
  
• Frequency Rating: 50/60 Hz
  
• Interrupting Rating:
  • 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 10.031 lbs
  
• UPC: 783643005334
  

Material Compliance and Certifications

The Siemens FD63B200L is part of the FD-frame molded case circuit breaker family and complies with UL 489 and IEC 60947-2 standards. These certifications confirm the breaker has been evaluated for important performance, construction, and safety requirements associated with molded case circuit breakers.

Where It Works Best

The Siemens FD63B200L works best in commercial facilities, industrial plants, and electrical distribution equipment requiring a 200 Amp FD-frame circuit breaker with factory-installed lug connections. It is a strong fit for applications where dependable circuit protection, three-phase power distribution, and higher interrupting capacity are required.

Whether used in equipment upgrades, system maintenance, or new electrical distribution assemblies, the FD63B200L provides the specifications electrical professionals look for when matching a replacement or adding protection to compatible FD-frame systems.