FH36025 - 25 Amp Circuit Breaker

FH36025 - 25 Amp Circuit Breaker

When it's time to replace a circuit breaker in an existing Square D I-Line™ electrical distribution system, finding an exact match matters. The Square D FH36025 is a 25 Amp, 3-pole thermal magnetic circuit breaker designed to serve as a direct replacement in compatible 600V AC Square D I-Line panelboards and switchboards. Matching the original catalog number helps preserve the form, fit, and function of your electrical system, making maintenance easier while minimizing downtime. Whether you're troubleshooting an unexpected breaker failure or performing scheduled preventive maintenance, using the correct replacement helps keep your electrical distribution system operating as originally designed.

Key Features and Benefits

• 25 Amp thermal magnetic circuit breaker
• 3-pole configuration for three-phase electrical systems
• Rated for 600V AC applications
• Designed for compatible Square D FH series I-Line panelboards and switchboards
• I-Line mounting for direct replacement in compatible equipment
• Thermal magnetic trip unit helps protect against overloads and short circuits
• HACR rated for heating, air conditioning, and refrigeration equipment
• 275 Amp magnetic hold current
• 600 Amp magnetic trip current
• I-Line line connection with load-side lug terminals
• Built to last for long service life in commercial and industrial electrical systems
• Maintains the original form, fit, and function when replacing an existing FH-series circuit breaker
  

Technical Specifications

• Catalog Number: FH36025
  
• Manufacturer: Square D
  
• Product Type: Circuit Breaker
  
• Series: FH
  
• Trip Unit Technology: Thermal Magnetic
  
• Amperage Rating: 25 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: AL50FA
  
• Magnetic Hold Current: 275 Amps
  
• Magnetic Trip Current: 600 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 FH36025 is UL Listed and CSA Certified for installation in compatible Square D I-Line panelboards and 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) and all applicable local electrical codes and safety requirements.

Where It Works Best

• Compatible Square D I-Line panelboards and switchboards
• Commercial office buildings
• Industrial manufacturing facilities
• Educational and institutional buildings
• HVAC and refrigeration equipment
• Three-phase motor and machinery circuits
• Branch circuit protection
• Preventive maintenance and electrical service projects
• Manufacturing and processing facilities