FD2125L - 125Amp Circuit Breaker

FD2125L - 125Amp Circuit Breaker

When you're replacing a circuit breaker in an existing electrical system, getting the specifications right matters. A breaker that looks similar isn't always the correct match, and small differences can turn a routine maintenance job into a much longer outage. The Eaton FD2125L is a 125 Amp, 2-pole molded case circuit breaker from the Series C product line, built on the F-frame platform for dependable form, fit, and functional replacement in compatible equipment. It uses a T186 thermal magnetic trip unit to help protect electrical circuits against overloads and short circuits while maintaining the operating characteristics of the original installation.

Key Features and Benefits

• Eaton Series C complete molded case circuit breaker
• 125 Amp continuous current rating
• Two-pole configuration
• F-frame construction for compatible replacement applications
• T186 thermal magnetic trip unit for overload and short-circuit protection
• Rated for 600 VAC and 250 VDC systems
• Operates on 50/60 Hz electrical systems
• Line and load terminal configuration
• Intended for form, fit, and function replacement in compatible Eaton Series C installations
• Built to last in commercial and industrial electrical distribution equipment
  

Technical Specifications

• Manufacturer: Eaton
  
• Catalog Number: FD2125L
  
• Product Type: Molded Case Circuit Breaker
  
• Series: Series C
  
• Circuit Breaker Type: FD
  
• Frame: F
  
• Frame Type: Complete Breaker
  
• Amperage Rating: 125 Amps
  
• Number of Poles: 2
  
• Trip Type: T186 Thermal Magnetic
  
• Voltage Rating: 600 VAC, 250 VDC
  
• Frequency Rating: 50/60 Hz
  
• Interrupting Rating:
  • 65 kAIC at 240 VAC
  • 35 kAIC at 480 VAC
• Terminals: Line and Load
  
• Dimensions:
  • Height: 6 in.
  • Width: 2.75 in.
  • Depth: 3.38 in.
• Weight: 4.5 lb
  

Material Compliance and Certifications

The Eaton FD2125L is UL Listed and manufactured to Eaton's published specifications for Series C molded case circuit breakers.

Where It Works Best

The FD2125L is commonly used in commercial, industrial, institutional, and municipal electrical distribution systems where compatible Eaton Series C F-frame circuit breakers are installed. It is well suited for replacing worn or damaged breakers during scheduled maintenance, electrical repairs, facility shutdowns, or service work where preserving the original form, fit, and function of the equipment is essential.