BR2125 - 125 Amp Circuit Breaker

BR2125 - 125 Amp Circuit Breaker

The Eaton BR2125 is a two-pole, 125 Amp circuit breaker designed for use in compatible Eaton Type BR loadcenters. Rated for 120/240V AC systems, it is commonly used on feeder circuits, subpanels, large HVAC equipment, electric heating systems, and other higher-amperage electrical loads that require a two-pole breaker.

You'll find the BR2125 in homes, apartment buildings, workshops, garages, commercial properties, and light industrial facilities. Whether you're replacing an existing breaker or expanding an electrical system, matching the correct breaker type, amperage rating, and pole configuration helps ensure proper fit and operation.

Like many Eaton BR breakers that remain in service for years, the BR2125 is built for long-term use when installed and operated within its intended ratings.

Key Features and Benefits

• 125 Amp circuit breaker
• Two-pole configuration
• Common-trip operation
• Type BR plug-on mounting
• Compatible with Eaton Type BR loadcenters
• Thermal-magnetic trip mechanism
• Rated for 120/240V AC applications
• 10 kAIC interrupting capacity
• Accepts #4–2/0 AWG copper or aluminum conductors
• Commonly used for feeder circuits, subpanels, HVAC equipment, and larger electrical loads
  

Technical Specifications

• Manufacturer: Eaton
  
• Catalog Number: BR2125
  
• UPC: 786676367059
  
• Product Type: Thermal Magnetic Circuit Breaker
  
• Series: Type BR
  
• Amperage Rating: 125A
  
• Voltage Rating: 120/240V AC
  
• Number of Poles: 2
  
• Trip Type: Common Trip
  
• Circuit Breaker Type: BR
  
• Mounting Method: Plug-On
  
• Interrupt Rating: 10 kAIC
  
• Wire Size Compatibility: #4–2/0 AWG Copper/Aluminum
  
• Main Circuit Breaker: BR
  
• Dimensions: 3 in. D × 2 in. W × 3 in. H
  
• Weight: 0.8 lb
  

Material Compliance and Certifications

• UL 489 Listed
• Federal Specifications Classification W-C375
• Manufactured to Eaton Type BR specifications
• Intended for use in compatible Eaton Type BR loadcenters
  

Where It Works Best

• The BR2125 is commonly used in Eaton Type BR panels installed in homes, apartments, condominiums, workshops, garages, commercial buildings, and light industrial facilities. Typical applications include feeder circuits, subpanel feeds, service upgrades, HVAC equipment, electric heating systems, and other electrical loads requiring a 125 Amp two-pole breaker. It is also frequently used during panel maintenance and replacement projects where maintaining compatibility with existing Eaton BR equipment is important.