Eaton Thermal Magnetic Circuit Breaker 45A Two-Pole 120/240V 10kAIC BR Type Plug-On
Professional Electrical Circuit Protection Equipment
The Eaton Thermal Magnetic Circuit Breaker delivers exceptional electrical power management and control performance for residential and commercial electrical distribution systems. This 45A 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
- 45 Ampere Current Rating - Provides robust electrical protection for medium-load residential and commercial circuits with reliable overcurrent protection
- Two-Pole Configuration - Delivers simultaneous protection for both hot conductors in 240V applications with common trip functionality
- 120/240V Voltage Rating - Compatible with standard residential and light commercial electrical systems for versatile installation applications
- 10 kAIC Interrupt Rating - Safely interrupts fault currents up to 10,000 amperes for reliable electrical system protection
Installation & Protection Features
- Plug-On Mounting Method - Quick and secure installation into Type BR loadcenters with professional-grade connection reliability
- BR Type Compatibility - Specifically designed for use with Eaton Type BR loadcenters ensuring proper fit and electrical performance
- Common Trip Operation - Both poles trip simultaneously for enhanced electrical safety and system protection
Technical Specifications
Amperage Rating: 45A, Voltage Rating: 120/240V, Number of Poles: Two-pole, Interrupt Rating: 10 kAIC, Circuit Breaker Type: BR, Trip Type: Common breaker trip, Mounting Method: Plug-on, Wire Size: #14-4 AWG Cu/Al, Product Dimensions: 2.9" W x 2.5" H x 1.9" D, Weight: 0.6 lb, Certifications: UL 489, Compliances: Federal Specifications Classification W-C375, Used With: Type BR Loadcenters
Installation & Usage
- Verify power is completely disconnected from the electrical panel and test with appropriate electrical testing equipment
- Remove the appropriate knockout or existing breaker from the Type BR loadcenter panel
- Align the circuit breaker with the bus bar connection points ensuring proper positioning
- Firmly press the breaker onto the bus bars until it clicks securely into place with plug-on connection
- Connect the circuit wires to the breaker terminals using #14-4 AWG copper or aluminum conductors
- Test the breaker operation and verify proper electrical connections before restoring power to the panel
Professional Applications
Ideal for:
- Residential Electrical Systems - Electric water heaters, central air conditioning units, electric dryers, and other 240V appliances
- Commercial Electrical Distribution - Small commercial HVAC equipment, lighting panels, and electrical distribution systems
- Electrical Panel Upgrades - Replacement and upgrade applications in existing Type BR loadcenter installations
- New Construction Projects - Residential and light commercial electrical installations requiring reliable circuit protection
- Electrical Maintenance - Service and replacement applications for electrical contractors and facility maintenance
- Load Center Applications - Main and branch circuit protection in Type BR electrical distribution panels
- Electrical Safety Systems - Overcurrent protection for electrical circuits and equipment protection applications
- Power Distribution - Medium-load electrical circuits requiring two-pole protection and common trip operation
Thermal-Magnetic Protection Advantage
The thermal-magnetic trip mechanism provides dual protection against electrical overloads and short circuits. The thermal element responds to sustained overload conditions while the magnetic element provides instantaneous protection against short circuit faults, ensuring comprehensive electrical system protection for professional installations.
Why Choose Eaton Quality?
With over a century of electrical power management innovation, Eaton delivers unmatched reliability and performance in electrical protection equipment. This UL 489 listed circuit breaker meets the highest electrical safety standards and is trusted by electricians, electrical contractors, and facility professionals worldwide for dependable electrical system protection and intelligent power management solutions.
EAT-BR245 - spec sheet
Manufacturer Resources
Product Specs
- Amperage Rating:
- 45 A
- Certifications:
- UL 489
- Circuit Breaker Type:
- BR
- Compliances:
- Federal Specifications Classification W-C375
- Interrupt Rating:
- 10 kAIC
- Main Circuit Breaker:
- BR
- Mounting Method:
- Plug-on
- Number Of Poles:
- Two-pole
- Product Height:
- 2.5 in
- Product Length Depth:
- 1.9 in
- Product Type:
- Thermal Magnetic Circuit Breaker
- Product Weight:
- .6 lb
- Product Width:
- 2.9 in
- Quantity:
- 28
- Special Features:
- Used with Type BR Loadcenters
- Trip Type:
- Common breaker trip
- Used With:
- Type BR Loadcenters
- Voltage Rating:
- 120/240 V
- Wire Size:
- #14-4 AWG Cu/Al
- Product Group:
- Electrical
- Product Subgroup:
- Circuit Breaker
- Department:
- Electrical