ED3125L - 125Amp Circuit Breaker

ED3125L - 125Amp Circuit Breaker

Looking for a reliable circuit breaker that can keep your electrical system running safely and efficiently? The Eaton ED3125L Series C molded case circuit breaker is built to do exactly that. Designed as a 125 Amp, 3-pole complete circuit breaker, it delivers dependable overcurrent protection for a wide range of commercial and industrial applications.

If you're replacing an existing breaker, the ED3125L makes the process simple. It’s engineered to match the original form, fit, and function of Eaton ED-frame breakers, helping you maintain system integrity without unnecessary modifications. At its core is the T186 thermal-magnetic trip unit, which responds quickly to both overloads and short circuits—helping protect your equipment and minimize downtime.

Key Features and Benefits

• Reliable 125 Amp molded case circuit breaker for consistent performance
• Three-pole design ideal for three-phase electrical systems
• Built on Eaton’s trusted Series C ED-frame platform
• T186 thermal-magnetic trip unit helps guard against overloads and short circuits
• Rated for 240VAC, 125VDC, and 50/60 Hz applications
• High 65 kAIC interrupting capacity at 240VAC for added protection
• Includes factory-installed line and load terminals for easier installation
• Designed for seamless form, fit, and function replacement in compatible systems
• Durable construction suited for demanding commercial and industrial environments
• UL Listed for recognized safety and compliance
  

Technical Specifications

• Manufacturer: Eaton
  
• Catalog Number: ED3125L
  
• Product Type: Molded Case Circuit Breaker
  
• Series: Series C
  
• Circuit Breaker Type: ED
  
• Frame Type: Complete Breaker
  
• Frame Size: F Frame
  
• Amperage Rating: 125 Amps
  
• Voltage Rating: 240VAC, 125VDC
  
• Frequency Rating: 50/60 Hz
  
• Number of Poles: 3
  
• Trip Type: T186 Thermal-Magnetic
  
• Interrupt Rating: 65 kAIC at 240VAC
  
• Terminals: Line and Load
  
• Dimensions:
  • Length: 3.38 in.
  • Width: 4.13 in.
  • Height: 6.00 in.
• Weight: 4.45 lb
  
• UPC: 786679454602
  

Material Compliance and Certifications

Safety and compliance are essential when it comes to electrical components, and the Eaton ED3125L delivers on both. It is UL Listed, meaning it meets established industry safety standards for molded case circuit breakers.

When replacing an existing breaker, it’s important to confirm compatibility by matching key specifications such as frame size, amperage, voltage rating, interrupting capacity, trip unit, and pole configuration.

Where It Works Best

• Panelboards and switchboards designed for Eaton ED-frame breakers
• Manufacturing plants and production facilities
• Commercial buildings and office complexes
• HVAC systems and mechanical equipment
• Motor control centers
• Pumps, compressors, conveyors, and other three-phase machinery
• Maintenance and repair projects requiring a reliable replacement
• Electrical distribution systems operating at 240VAC or 125VDC with high interrupting requirements