FH36050 - 50 Amp Circuit Breaker

FH36050 - 50 Amp Circuit Breaker

When maintaining an existing Square D I-Line™ electrical distribution system, selecting the correct replacement circuit breaker helps preserve the original design and keeps compatible equipment operating as intended. The Square D FH36050 is a 50 Amp, 3-pole thermal magnetic circuit breaker designed to provide the proper form, fit, and function for compatible Square D I-Line panelboards and switchboards operating at up to 600V AC. Whether you're performing scheduled maintenance, replacing a damaged breaker, or servicing long-standing electrical equipment, the FH36050 is built to last and is intended to maintain the integrity of your existing power distribution system.

Key Features and Benefits

• Genuine Square D FH36050 thermal magnetic circuit breaker
• 50 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 proper form, fit, and function for replacement applications
• Thermal magnetic trip technology protects against overloads and short circuits
• 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
• Helps maintain compatibility with existing Square D electrical distribution equipment
  

Technical Specifications

• Catalog Number: FH36050
  
• Manufacturer: Square D
  
• Product Type: Circuit Breaker
  
• Series: FH
  
• Trip Unit Technology: Thermal Magnetic
  
• Amperage Rating: 50 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: 400 Amps
  
• Magnetic Trip Current: 850 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 FH36050 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
• 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
• Replacement of existing Square D FH-series circuit breakers