Eaton BRHH255 BR thermal magnetic circuit breaker - UL 490

Part Number: BRHH255
Manufacturer
Eaton
Part number
BRHH255

Quick Summary

Eaton BRHH255 BR thermal magnetic circuit breaker provides reliable overcurrent protection for branch circuits in residential and light commercial panels. Nuisance trips and mismatched interrupt ratings frequently complicate maintenance and threaten system safety. This unit carries UL 490 certification and aligns with Federal Specifications W-C376 to support compliant, safe deployment in BR Loadcenters. Designed for installation efficiency with a common-trip two-pole arrangement, it integrates smoothly with BRH family hardware while delivering a robust 42 kAIC interrupt rating. Engineer-friendly documentation, compatibility with Type BR Loadcenters, and a clear reliability story make it a dependable choice for panel builders and maintenance teams.

Product Information

Extended Description

BRHH255 Eaton: Eaton BR thermal magnetic circuit breaker,Type BR 1-Inch plug-on circuit breaker,55 A,42 kAIC,Two-pole,120/240V,BRH,Common breaker trip,#14-3/0 AWG Cu/Al,BRH,Type BR Loadcenters
Product Name
Eaton BR thermal magnetic circuit breaker
Catalog Number
BRHH255
UPC
786676002943
Product Length/Depth
3 in
Product Height
3 in
Product Width
2 in
Product Weight
0.6 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
55 A
Voltage rating
120/240 V
Trip Type
Common breaker trip
Circuit breaker type
BR
Mounting Method
Plug-on
Interrupt rating
42 kAIC
Main circuit breaker
BRH
Wire size
#14-3/0 AWG Cu/Al
Number of poles
Two-pole
Feature → Type BR 1-Inch plug-on circuit breaker design enables fast, tool-free mounting in BR Loadcenters. Business Impact → This streamlines panel assembly, reduces field labor, and minimizes risk of loose connections that can cause nuisance trips. Application → Ideal for residential and light commercial panels requiring rapid, reliable protection.Feature → 55 A rating with 42 kAIC interrupt capability. Business Impact → Delivers robust protection against high fault currents while limiting nuisance trips and downtime. Application → Particularly suited for distribution feeders and branch circuits in moderately loaded panelboards.Feature → Common-trip two-pole configuration with 120/240 V rating and plug-on mounting. Business Impact → Ensures synchronized tripping and safer shutdown for multi-wire branch circuits, improving code compliance and personnel safety. Application → Fits Type BR Loadcenters with simple integration into existing protection schemes.Feature → Wire size compatibility #14-3/0 Cu/Al. Business Impact → Expands installation options and reduces stocking complexity for electricians and integrators. Application → Supports a wide range of residential and commercial conductor configurations.Feature → UL 490 and Federal W-C376 compliance. Business Impact → Provides recognized standards support, improving inspection pass rates and warranty confidence. Application → Suitable for projects demanding formal certification trails and warranty-backed protection.Feature → Compact dimensions and light weight enable higher panel density and easier handling during installation. Business Impact → Reduced enclosure footprint, lower shipping costs, and faster replenishment of spares. Application → Beneficial in retrofit projects or new builds where space is at a premium.Feature → Availability of multiple configurations within BR family enables scalable protection. Business Impact → Simplifies design validation, reduces engineering time, and aligns with standardization goals. Application → Fits a range of protection schemes from basic residential to mid-size commercial installations.Feature → Wire termination versatility: #14-3/0 Cu/Al supports broad conductor ranges. Business Impact → Expands field compatibility and reduces scoping errors during procurement. Application → Particularly helpful in mixed copper/aluminum installations common in retrofit projects.Feature → Compliance-ready options such as HACR, shunt trip, and high-magnetic settings are available within the BR family notes for advanced protection schemes. Application → Supports specialized protection requirements in energy management and critical loads.Feature → Warranty documentation and service support visibility. Business Impact → Improves ROI through predictable service intervals, faster issue resolution, and access to replacement parts. Application → Beneficial for procurement and maintenance planning.

Get a Quick Quote for a Eaton BRHH255

Chat with us on WhatsApp - fast responses guaranteed

Need to speak with someone? We'll call you back within 2 hours during business hours

Interested in Eaton BRHH255? Enquire Now

FAQs

The BRHH255 is a Type BR 1-Inch plug-on circuit breaker designed for two-pole installation in BR Loadcenters. It accepts #14-3/0 AWG Cu/Al wire and provides 55 A at 120/240 V with a common trip. For installation, align with buss bars, snap into the rail, and verify tightening torque requirements met.
The BRHH255 is a two-pole, 55 A circuit breaker rated for 120/240 V with a 42 kAIC interrupt rating and a common trip. It is a Type BR 1-Inch plug-on device compatible with BR Loadcenters and supports #14-3/0 AWG Cu/Al conductors. It is suitable for residential and light commercial panel assemblies, delivering reliable protection and simplified field upgrades.
Yes. The model features a 42 kAIC interrupt rating, enabling effective interruption under high fault currents typical in commercial feeders. With a common-trip two-pole design and 120/240 V operation, it preserves system integrity and minimizes arcing risk while meeting safety and performance standards.
BRHH255 adheres to UL 490 certification and supports Federal Specifications W-C376 compliance, ensuring recognized standards for protective devices in electrical distribution. This provides confidence for panel builders and installers seeking compliant, traceable performance in Type BR Loadcenters. UL 490 ensures short-circuit current rating and insulation tests, while W-C376 alignment covers dimensional and material requirements for Federal specifications compliance.
Eaton provides a limited lifetime residential warranty and a one-year commercial warranty for the BR family, including BRHH255. Warranty documentation is available online, and Eaton support resources cover installation guidance, troubleshooting, and replacements, reducing downtime and protecting total cost of ownership. Customers can access technical datasheets and warranty terms via the Eaton site, and local distributors provide on-site support and replacement parts.