FH36080 - 80 Amp Circuit Breaker

FH36080 - 80 Amp Circuit Breaker

When you're maintaining an existing Square D I-Line electrical distribution system, finding the exact replacement breaker matters. The Square D FH36080 is designed to match the original breaker's form, fit, and function, making it an ideal replacement when you need to keep your existing equipment operating as intended. Instead of modifying your panel or changing your electrical layout, you can replace the breaker with the correct catalog number and maintain compatibility with your existing Square D equipment.

Whether you're servicing a commercial building, manufacturing facility, office complex, school, or healthcare campus, unexpected electrical downtime can quickly become expensive.

Key Features and Benefits

• 80 Amp continuous current rating
• Three-pole design for three-phase electrical systems
• Rated for applications up to 600V AC
• Designed for compatible Square D I-Line panelboards and switchboards
• I-Line mounting provides the proper form, fit, and function for replacement applications
• Thermal magnetic trip technology provides overload and short-circuit protection
• HACR rated for heating, air conditioning, and refrigeration equipment
• I-Line line connection with load-side lug terminals
• Built to last for long service life in commercial and industrial electrical systems
  

Technical Specifications

• Catalog Number: FH36080
  
• Manufacturer: Square D
  
• Product Type: Circuit Breaker
  
• Series: FH
  
• Trip Unit Technology: Thermal Magnetic
  
• Amperage Rating: 80 Amps
  
• Voltage Rating: 600V AC
  
• Number of Poles: 3
  
• Phase Connection: ABC
  
• Breaking Capacity Code: H
  
• Mounting Style: I-Line
  
• Electrical Connections: I-Line connection (line); Lugs (load)
  
• Terminal Identifier: AL100FA
  
• Magnetic Hold Current: 800 Amps
  
• Magnetic Trip Current: 1,450 Amps
  
• Application Rating: HACR Rated
  
• Dimensions: 6.4 in. H × 4.5 in. W × 4.13 in. D
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

The Square D FH36080 is UL Listed and CSA Certified for installation in compatible Square D I-Line electrical distribution equipment. It is intended for replacement and maintenance applications and should be installed by qualified electrical personnel in accordance with the National Electrical Code (NEC), applicable local electrical codes, and accepted electrical safety practices.

Where It Works Best

• Compatible Square D I-Line panelboards and switchboards
• Commercial office buildings
• Industrial manufacturing facilities
• Healthcare facilities and hospitals
• Schools and educational campuses
• HVAC and refrigeration systems
• Three-phase motor circuits
• Pumps, compressors, and processing equipment
• Manufacturing and production machinery
• Branch circuit protection
• Electrical maintenance and repair projects