Eaton BRH145 BR Thermal Magnetic Circuit Breaker - UL 490
Part Number: BRH145
Quick Summary
BRH145 is a BR thermal magnetic circuit breaker that protects 120/240 V branch circuits in residential and light commercial panels. This model delivers reliable overload and short-circuit interruption with a 45 A rating and 22 kAIC interrupt capacity. It follows Eaton's BR family design with a 1-Inch plug-on form factor and compatibility with BR load centers. Key standards include UL 490 listing and Federal Specifications W-C376 compliance, providing confidence in performance and procurement consistency across jobsites. For engineers and buyers, the value lies in fast, straightforward installation, predictable tripping behavior, and a compact footprint that reduces panel space requirements while maintaining code-compliant protection and long-term reliability.
Product Information
Extended Description
BRH145 Eaton: Eaton BR thermal magnetic circuit breaker,Type BR 1-Inch plug-on circuit breaker,45 A,22 kAIC,Single-pole,120/240V,BRH,#14-4 AWG Cu/Al,BRH,Type BR Loadcenters
Product Name
Eaton BR thermal magnetic circuit breaker
Catalog Number
BRH145
UPC
782114372135
Product Length/Depth
3 in
Product Height
3 in
Product Width
1 in
Product Weight
0.3 lb
Warranty
Limited lifetime residential, 1 year commercial
Compliances
Federal Specifications Classification W-C376
Certifications
UL 490
Catalog Notes
10-150A. single-, two- and three-pole, selected amperageavailable in switching duty, HACR, shunt trip and high magnetic setting
Used with
Type BR Loadcenters
Type
Type BR 1-Inch plug-on circuit breaker
Amperage Rating
45 A
Voltage rating
120/240 V
Circuit breaker type
BR
Mounting Method
Plug-on
Interrupt rating
22 kAIC
Main circuit breaker
BRH
Wire size
#14-4 AWG Cu/Al
Number of poles
Single-pole
Residential and Light Commercial, Load centers and Circuit Breakers, Volume 1 Tab 1
Eaton Specification Sheet - BRH145
Eaton type BR circuit breaker limited warranty June 2024
Feature → Business Impact → Application: Type BR 1-Inch plug-on mounting enables rapid installation and straightforward field replacement, reducing labor time and panel downtime while preserving wiring integrity in BR load centers. Application: Ideal for new builds or retrofits in residential and light commercial panels where quick upgrades are needed. Feature → Business Impact → Application: 45 A amperage rating with a 22 kAIC interrupt rating delivers robust protection against overloads and high-energy faults, improving system uptime and reducing nuisance trips in typical branch-circuit applications. Application: Suitable for branch circuits sized around common 14 AWG to 4 AWG conductors in 120/240 V distributions. Feature → Business Impact → Application: Wire size compatibility with #14-4 AWG Cu/Al ensures cost-effective compatibility with standard home and small business wiring, minimizing rewiring and simplifying procurement. Application: Works seamlessly with existing feeder and branch wiring in BR Loadcenters. Feature → Business Impact → Application: UL 490 certification and W-C376 compliance provide regulatory confidence and supplier reliability, supporting audit readiness and project approvals. Application: Essential for code-compliant installations in regulated markets. Feature → Business Impact → Application: Catalog notes indicate versatility across amperages and configurations (including HACR, shunt trip, and high-magnetic settings), enabling tailored protection schemes without extra components. Application: Enables engineers to design precise protection strategies within a single breaker family. Feature → Business Impact → Application: Warranty of limited lifetime residential and 1-year commercial offers lifecycle support and predictable maintenance budgeting. Application: Reduces total cost of ownership through durable performance and clear service expectations.
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FAQs
BRH145 uses a plug-on mounting method designed for Type BR 1-Inch breakers and BR Loadcenters. It accepts #14-4 AWG Cu/Al conductors and fits standard 3 in depth, 3 in height, and 1 in width dimensions to simplify panel replacements and upgrades.
BRH145 is rated at 45 A with a 22 kAIC interrupt capacity, intended for 120/240 V circuits. It is a single-pole BR breaker that provides reliable overload and short-circuit protection within BR load centers.
Yes. Catalog notes indicate compatibility with HACR, shunt-trip, and high-magnetic settings, allowing flexible protection schemes without needing additional devices while maintaining precise trip characteristics.
BRH145 is UL 490 listed and compliant with Federal Specifications W-C376, ensuring recognized performance, safety, and procurement validation for institutional and regulated applications.
Eaton provides a limited lifetime residential warranty and a 1-year commercial warranty on BRH145, supporting maintenance planning and reducing total cost of ownership over the product lifecycle.