FHL36090 - 90 Amp Circuit Breaker

FHL36090 - 90 Amp Circuit Breaker

Finding the right replacement circuit breaker is important when you're working on an existing electrical system. The goal is usually simple: replace the breaker, keep the original equipment configuration, and get the system back into service without unnecessary changes. The Square D FHL36090 is a 90 Amp, 3-pole molded case circuit breaker designed for compatible FH applications where matching the original equipment specifications matters.

Key Features and Benefits

• Square D FHL36090 molded case circuit breaker
• 90 Amp rating for compatible electrical applications
• Three-pole configuration for three-phase systems
• 600V AC rated
• Thermal-magnetic protection for overload and short-circuit conditions
• Unit mount design for compatible equipment
• Line and load lug connections
• Push-to-Trip manual trip feature
• HACR rated for heating, air conditioning, and refrigeration applications
• Built for replacement and maintenance applications
• Helps preserve existing electrical system configuration
  

Technical Specifications

• Catalog Number: FHL36090
  
• Manufacturer: Square D
  
• Product Type: Molded Case Circuit Breaker
  
• Series: FH
  
• Trip Unit Technology: Thermal-Magnetic
  
• Amperage Rating: 90 Amps
  
• Voltage Rating: 600V AC
  
• Number of Poles: 3
  
• Phase Connection: ABC
  
• Breaking Capacity Code: H
  
• Mounting Style: Unit Mount
  
• Electrical Connections: Line Lugs and Load Lugs
  
• Terminal Identifier: AL100FA
  
• Magnetic Hold Current: 900 Amps
  
• Magnetic Tripping Current: 1,700 Amps
  
• Application Rating: HACR Rated
  
• Interrupting Rating: 18kA at 600VAC
  
• Dimensions: 6.40 in. H × 4.50 in. W × 4.13 in. D
  

Material Compliance and Certifications

The Square D FHL36090 is UL Listed and CSA Certified for use in compatible electrical equipment. It is intended for replacement and maintenance applications and should be installed according to the National Electrical Code (NEC), local electrical requirements, and manufacturer guidelines. Installation should always be performed by qualified electrical personnel.

Where It Works Best

• Commercial electrical distribution systems
• Industrial facilities
• Manufacturing plants
• HVAC equipment
• Heating and refrigeration systems
• Three-phase motors
• Pumps and compressors
• Industrial machinery
• Existing Square D FH equipment