Eaton Thermal Magnetic Circuit Breaker 40A Two-Pole 120/240V BR Type Plug-On 10kAIC

Eaton Thermal Magnetic Circuit Breaker 40A Two-Pole 120/240V BR Type

Professional Electrical Circuit Protection Equipment

The Eaton BR Thermal Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for residential and commercial electrical distribution systems. This 40A 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

• 40 Ampere Rating - Provides robust current capacity for medium-load residential and commercial electrical circuits with reliable thermal-magnetic protection
• Two-Pole Configuration - Delivers simultaneous protection for both hot conductors in 240V applications with common trip functionality
• 10 kAIC Interrupt Rating - Safely interrupts fault currents up to 10,000 amperes, meeting residential and light commercial electrical safety requirements
• 120/240V Voltage Rating - Compatible with standard residential electrical systems and split-phase power distribution applications

Installation & Protection Features

• BR Type Plug-On Design - Quick and secure installation into BR type loadcenters with reliable electrical connection
• Tapped Molded Opening Special Application - Engineered for specific electrical applications requiring specialized circuit protection solutions
• Common Trip Operation - Both poles trip simultaneously for enhanced electrical safety and system protection

Technical Specifications

Amperage Rating: 40A, Voltage Rating: 120/240V, Number of Poles: Two-pole, Interrupt Rating: 10 kAIC, Circuit Breaker Type: BR, Trip Type: Common breaker trip, Wire Size: #14-4 AWG Cu/Al, Mounting Method: Plug-on, Special Features: Tapped molded opening special application, Used With: Type BR Loadcenters, Certifications: UL 489, Compliances: Federal Specifications Classification W-C375, Dimensions: 3" H x 2" W x 3" D, Weight: 0.5 lb

Installation & Usage

1. Verify electrical panel compatibility with BR type loadcenters and confirm proper voltage rating match
2. Turn off main electrical power and verify de-energized state using appropriate electrical testing equipment
3. Remove knockout panel cover and position circuit breaker for plug-on installation into designated bus connection
4. Connect #14-4 AWG copper or aluminum conductors to circuit breaker terminals following NEC wiring requirements
5. Secure circuit breaker firmly into loadcenter bus connection ensuring proper electrical contact and mechanical retention
6. Test circuit breaker operation and verify proper electrical function before energizing connected loads

Professional Applications

Ideal for:

• Residential Electrical Systems - Main electrical panels, subpanels, and branch circuit protection for homes and apartments
• Commercial Building Power Distribution - Office buildings, retail spaces, and light commercial electrical installations
• HVAC System Protection - Air conditioning units, heat pumps, and electrical heating system circuit protection
• Appliance Circuit Protection - Electric water heaters, dryers, ranges, and other 240V appliance installations
• Workshop and Garage Electrical - Tool circuits, welding equipment, and high-current electrical equipment protection
• Electrical Panel Upgrades - Replacement and retrofit applications in existing BR type electrical distribution systems
• Special Application Circuits - Customized electrical protection solutions requiring tapped molded opening configuration
• Load Center Integration - BR type loadcenter installations requiring reliable two-pole circuit protection

Thermal-Magnetic Protection Advantage

Eaton's proven thermal-magnetic technology combines the reliability of thermal overload protection with the precision of magnetic fault detection, providing comprehensive electrical protection against both overload conditions and short-circuit faults. This dual-protection mechanism ensures optimal electrical safety while minimizing nuisance tripping in normal operating conditions.

Why Choose Eaton Quality?

With over a century of electrical power management innovation, Eaton leads the industry in intelligent power solutions and electrical safety technology. Our UL 489 listed circuit breakers meet the highest electrical safety standards and are trusted by electricians, electrical contractors, and facility professionals worldwide for their dependable performance, quality construction, and advanced electrical protection capabilities in residential, commercial, and industrial applications.