Eaton Thermal Magnetic Circuit Breaker 125A Two-Pole 120/240V BR Series 10kAIC Plug-On

Eaton Thermal Magnetic Circuit Breaker 125A Two-Pole 120/240V BR Series 10kAIC Plug-On

Professional Electrical Circuit Protection Equipment

The Eaton BR Series Thermal Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for residential and commercial electrical distribution systems. This 125A two-pole circuit breaker provides reliable electrical protection designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.

Professional Features & Benefits

Electrical Performance Excellence

• 125 Ampere Rating - High-capacity current handling for demanding residential and commercial electrical loads with reliable thermal-magnetic protection
• Two-Pole Configuration - Dual-pole design provides simultaneous protection for both hot conductors in 240V applications with common trip functionality
• 120/240V Voltage Rating - Versatile voltage compatibility for standard residential and light commercial electrical systems
• 10 kAIC Interrupt Rating - Professional-grade interrupting capacity safely clears fault currents up to 10,000 amperes for enhanced electrical safety

Installation & Protection Features

• Plug-On Mounting Method - Quick and secure installation into Type BR loadcenters with reliable electrical connection
• Common Breaker Trip - Coordinated tripping ensures both poles operate together for enhanced electrical safety and system protection
• Wire Size Compatibility - Accommodates #4-2/0 AWG copper and aluminum conductors for flexible installation options

Technical Specifications

Amperage Rating: 125A, Voltage Rating: 120/240V, Number of Poles: Two-pole, Interrupt Rating: 10 kAIC, Circuit Breaker Type: BR Series, Trip Type: Common breaker trip, Mounting Method: Plug-on, Wire Size: #4-2/0 AWG Cu/Al, Used With: Type BR Loadcenters, Certifications: UL 489, Compliances: Federal Specifications Classification W-C375, Dimensions: 3" H x 2" W x 3" D, Weight: 0.8 lb

Installation & Usage

1. Verify power is OFF and test electrical system before beginning installation work
2. Confirm loadcenter compatibility with Type BR circuit breakers and adequate space availability
3. Align circuit breaker with bus bars and firmly press into plug-on position until secure
4. Connect branch circuit conductors to breaker terminals using proper torque specifications
5. Verify proper wire size compatibility (#4-2/0 AWG Cu/Al) and secure connections
6. Test breaker operation and verify proper electrical system functionality before energizing

Professional Applications

Ideal for:

• Residential Electrical Systems - Main panel protection for high-amperage branch circuits, electric water heaters, and HVAC equipment
• Commercial Load Centers - Professional electrical distribution in office buildings, retail spaces, and light commercial facilities
• Industrial Power Distribution - Motor control centers and electrical panels requiring reliable 125A two-pole protection
• Electrical Panel Upgrades - Replacement and retrofit applications in existing Type BR loadcenter installations
• HVAC System Protection - Air conditioning units, heat pumps, and electrical heating equipment requiring 240V protection
• Electric Water Heater Circuits - Dedicated branch circuit protection for residential and commercial water heating systems
• Electrical Safety Systems - Critical circuit protection where reliable interrupting capacity and common trip operation are essential
• Professional Electrical Installations - New construction and electrical system expansions requiring UL 489 certified protection

Thermal-Magnetic Protection Advantage

The thermal-magnetic trip mechanism provides dual protection against electrical overloads and short circuits. The thermal element responds to sustained overcurrent conditions while the magnetic element provides instantaneous protection against high-level fault currents, ensuring comprehensive electrical system protection for professional installations.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton delivers the reliability and performance that electrical professionals demand. This UL 489 listed circuit breaker represents Eaton's commitment to electrical safety and quality construction, trusted by electricians, electrical contractors, and facility professionals worldwide for dependable electrical protection and intelligent power management solutions.