ED2125 - 125Amp Circuit Breaker

ED2125 - 125 Amp Circuit Breaker

If you’re looking for a dependable 125A breaker that can handle real-world electrical demands without fuss, the Eaton ED2125 is a solid choice. This is a two-pole molded case circuit breaker from Eaton’s Series C line, built for protecting circuits in commercial and light industrial setups. It uses a thermal-magnetic trip (T186), so it reacts the way you expect—quickly on short circuits and more gradually on overloads—helping prevent unnecessary shutdowns while still keeping equipment safe. What stands out here is its 65 kAIC interrupt rating at 240 Vac. That gives you confidence in higher fault-current environments where fewer breakers just won’t cut it. It’s also rated for 125 Vdc, which adds some flexibility depending on your system. The size is compact enough to fit comfortably in most panelboards, and the line-and-load terminal setup keeps installation straightforward for electricians who don’t want surprises.

Key Features and Benefits

• 125 amp, 2-pole configuration: for dependable circuit protection
• Thermal-magnetic (T186) trip: responds properly to overloads and faults
• 65 kAIC at 240 Vac: for higher fault-current applications
• Works with both AC (240V) and DC (125V) systems:
• Compact footprint: makes it easier to fit into tight panel spaces
• Designed for consistent performance: in demanding environments
• Standard line and load terminals: for simple installation

Technical Specifications

• Catalog Number: ED2125
  
• Series: Eaton Series C
  
• Breaker Type: ED Molded Case Circuit Breaker
  
• Frame Type: F Frame
  
• Amperage: 125A
  
• Voltage Rating: 240 Vac / 125 Vdc
  
• Frequency: 50/60 Hz
  
• Interrupt Rating: 65 kAIC at 240 Vac
  
• Poles: 2
  
• Trip Type: T186 Thermal-Magnetic
  
• Terminals: Line and Load
  
• Dimensions: 3.38" D x 6" H x 2.75" W
  
• Weight: 2.9 lbs
  

Material Compliance and Certifications

• UL Listed: meeting U.S. safety and performance standards for molded case circuit breakers

Where It Works Best

• You’ll typically see the ED2125 used in commercial buildings, industrial panels, and equipment where reliable branch circuit protection is non-negotiable. It’s a good fit for panelboards and distribution systems that deal with higher available fault current, as well as facilities that need consistent uptime—think manufacturing, service buildings, or larger electrical installations.