HFD63B090L - 90Amp Circuit Breaker

HFD63B090L - 90Amp Circuit Breaker

The Siemens HFD63B090L is a 90A, 3-pole molded case circuit breaker in the SENTRON HFD6 family, built for compatible equipment that uses the FD frame. It’s rated up to 600VAC and uses a thermal-magnetic trip unit for your overload and short-circuit protection. At 600V, the breaker is rated 25 kAIC; at 480V, it’s rated 65 kAIC.

Key Features and Benefits

• 90A, 3-pole configuration for equipment designed around this exact breaker setup.
• FD frame helps maintain the proper form and fit in compatible SENTRON equipment.
• Rated for applications up to 600VAC.
• Thermal-magnetic trip unit handles overload and short-circuit protection.
• Includes TA1FD350A line- and load-side lugs.
• Accepts 6 AWG–350 kcmil copper conductors.
• Accepts 4 AWG–350 kcmil aluminum conductors.
• Standard 40°C breaker configuration.
• Meets UL 489 and IEC 60947-2 standards.

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: HFD63B090L
  
• Series: SENTRON
  
• Product Family: HFD6
  
• Breaker Type: Molded Case Circuit Breaker
  
• Frame: FD
  
• Amperage: 90A
  
• Poles: 3
  
• Maximum Voltage: 600VAC
  
• Trip Type: Thermal-Magnetic
  
• Interrupting Rating at 600V: 25 kAIC
  
• Interrupting Rating at 480V: 65 kAIC
  
• Temperature Rating: 40°C
  
• Lugs: TA1FD350A, line and load side
  
• Copper Wire Range: 6 AWG–350 kcmil
  
• Aluminum Wire Range: 4 AWG–350 kcmil
  
• Dimensions:
  • Width: 4.5"
  • Height: 9.5"
  • Depth: 4" D
• Net Weight: 10.031 lb
  
• UPC: 783643235854
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The HFD63B090L meets UL 489 and IEC 60947-2 standards. Those are useful checkpoints when you’re comparing the breaker against the requirements of an existing electrical system.

Where It Works Best

The Siemens HFD63B090L is a good fit for commercial and industrial electrical distribution equipment that specifically requires a 90A, 3-pole FD-frame molded case circuit breaker with matching voltage, interrupting ratings, lug configuration, and physical dimensions. It’s especially relevant for maintenance and replacement work where the original equipment was built around this configuration.