Eaton Thermal Magnetic Circuit Breaker 90A Two-Pole 120/240V 10kAIC BR Series Plug-On
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 90A 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
- 90 Ampere Current Rating - High-capacity electrical protection for demanding residential and commercial circuits with reliable overcurrent 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 electrical faults and short circuits in typical residential applications
Installation & Protection Features
- Plug-On Mounting Method - Quick and secure installation into Type BR loadcenters with reliable electrical connection
- Common Breaker Trip - Simultaneous tripping of both poles ensures complete circuit isolation for enhanced electrical safety
- #8-1/0 AWG Cu/Al Wire Compatibility - Accommodates copper and aluminum conductors for flexible installation options
Technical Specifications
Amperage Rating: 90A, 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: #8-1/0 AWG Cu/Al, Dimensions: 2.9" W x 2.5" H x 2" D, Weight: 0.7 lb, Certifications: UL 489, Compliances: Federal Specifications Classification W-C375, Used With: Type BR Loadcenters
Installation & Usage
- Verify power is OFF and test electrical system before beginning installation work
- Confirm compatibility with Type BR loadcenter and available space requirements
- Align circuit breaker with loadcenter bus bars and press firmly until fully seated
- Connect #8-1/0 AWG copper or aluminum conductors to breaker terminals with proper torque specifications
- Verify secure mechanical and electrical connections before energizing the circuit
- Test breaker operation and confirm proper electrical protection functionality
Professional Applications
Ideal for:
- Residential Electrical Systems - Main panel circuit protection for high-amperage household circuits including electric ranges, dryers, and HVAC equipment
- Commercial Electrical Distribution - Light commercial applications requiring reliable 90A two-pole circuit protection
- HVAC System Protection - Dedicated circuit protection for air conditioning units, heat pumps, and electrical heating systems
- Electric Appliance Circuits - High-capacity appliance protection for electric water heaters, ranges, and commercial cooking equipment
- Electrical Panel Upgrades - Replacement and upgrade applications in existing Type BR loadcenter installations
- Multi-Family Housing - Apartment and condominium electrical distribution systems requiring reliable circuit protection
- Small Commercial Buildings - Office buildings, retail spaces, and light industrial facilities with 120/240V electrical systems
- Electrical Safety Systems - Critical circuit protection where reliable overcurrent protection is essential for electrical safety
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 protection for connected circuits and equipment.
Why Choose Eaton Quality?
Eaton's century-plus experience in electrical power management innovation ensures this BR series circuit breaker meets the highest standards for electrical safety and reliability. With UL 489 certification and compliance with Federal Specifications, this breaker delivers the trusted performance that electricians, electrical contractors, and facility professionals worldwide depend on for critical electrical protection applications.
EAT-BR290 - spec sheet
Manufacturer Resources
Product Specs
- Amperage Rating:
- 90 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:
- 2 in
- Product Type:
- Thermal Magnetic Circuit Breaker
- Product Weight:
- .7 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:
- #8-1/0 AWG Cu/Al
- Product Group:
- Electrical
- Product Subgroup:
- Circuit Breaker
- Department:
- Electrical