FXD63B175 - 175Amp Circuit Breaker

FXD63B175 - 175Amp Circuit Breaker

The Siemens FXD63B175 is a 175 Amp, 3-pole FD-frame molded case circuit breaker designed for use in compatible Siemens Sentron low-voltage electrical distribution equipment. Equipped with a fixed thermal magnetic trip unit, it provides dependable protection against overloads and short circuits while maintaining the original electrical design of existing installations.

You'll typically find this breaker protecting feeders, distribution circuits, and equipment throughout office buildings, manufacturing facilities, schools, healthcare facilities, and other commercial environments.

Key Features and Benefits

• 175 Amp continuous current rating
• Three-pole Siemens Sentron FD-frame molded case circuit breaker
• Fixed thermal magnetic trip unit for overload and short-circuit protection
• Rated for applications up to 600VAC
• Non-interchangeable trip unit helps maintain the original protective settings
• No lugs installed, allowing compatibility with applications requiring separately specified terminals
• Standard 40°C calibration for typical operating environments
• Designed for form, fit, and functional replacement in compatible Siemens equipment
• Built to last for long-term service in commercial and industrial electrical distribution systems
  

Technical Specifications

• Catalog Number: FXD63B175
  
• Manufacturer Part Number (MFN): FXD63B175
  
• Manufacturer: Siemens
  
• Product Type: Molded Case Circuit Breaker
  
• Product Family / Series: Sentron FD6
  
• Frame: FD Frame
  
• Trip Unit: Thermal Magnetic
  
• Trip Configuration: Non-Interchangeable
  
• Amperage Rating: 175 Amps
  
• Voltage Rating: 600VAC
  
• Poles: 3
  
• Interrupt Rating: 22kAIC @ 600VAC; 35kAIC @ 480VAC
  
• Ambient Temperature Rating: Standard 40°C
  
• Terminal Type: No lugs installed
  
• Mounting: Compatible with Siemens FD-frame installations
  
• Dimensions: 4.5 in. W × 9.5 in. H × 4.0 in. D
  
• Weight: 8.001 lb
  
• Country of Origin: Mexico
  
• UPC: 783643211261
  

Material Compliance and Certifications

The Siemens FXD63B175 is manufactured to comply with UL 489 and IEC 60947-2 standards for molded case circuit breakers. It is RoHS compliant in accordance with applicable substance restrictions and is intended for installation in compatible Siemens low-voltage electrical distribution equipment.

Where It Works Best

The FXD63B175 is well suited for:

• Siemens Sentron FD-frame panelboards and switchboards
• Commercial office buildings
• Manufacturing and industrial facilities
• Healthcare, education, and institutional buildings
• Three-phase feeder and distribution circuit protection
• Mechanical equipment and motor distribution panels where properly specified
• Electrical maintenance and repair projects requiring a 175 Amp FD-frame replacement breaker
• Existing installations where maintaining the original form, fit, and function of the electrical system is the priority