Eaton BRHH2125 Thermal Magnetic Circuit Breaker - UL 490
Part Number: BRHH2125
Quick Summary
The Eaton BRHH2125 thermal magnetic circuit breaker is designed to protect critical circuits in panel boards and BR loadcenters. Engineers often struggle with nuisance trips and coordinating trip curves across multi pole installations in compact control panels. It carries UL 490 certification and complies with Federal Specifications W-C376, supporting regulatory compliance in modern panels. With plug-on mounting for Type BR Loadcenters and a 125 A, 120/240 V configuration, it streamlines procurement while reducing risk. This translates to faster installation, easier maintenance, and improved system uptime for machine builders and facilities teams. Designed for reliability in harsh industrial environments, it supports standards-driven sourcing and reduces spare parts inventory.
Product Information
Extended Description
BRHH2125 Eaton: Eaton BR thermal magnetic circuit breaker,Type BR 1-Inch plug-on circuit breaker,125 A,42 kAIC,Two-pole,120/240V,BRH,Common breaker trip,#4-2/0 AWG Cu/Al,Q28,BRH,Type BR Loadcenters
Product Name
Eaton BR thermal magnetic circuit breaker
Catalog Number
BRHH2125
UPC
786676377003
Product Length/Depth
3 in
Product Height
3 in
Product Width
2 in
Product Weight
0.55 lb
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
125 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
#4-2/0 AWG Cu/Al
Number of poles
Two-pole
Quantity
28
Feature: Type BR 1-Inch plug-on circuit breaker with two poles and 125 A rating. Business Impact: Enables compact, dense panel layouts and straightforward replacement, reducing cabinet depth and wiring complexity. Application: Ideal for Type BR Loadcenters in industrial control panels where space is at a premium and quick swaps are common. Feature: 42 kAIC interrupt rating with common breaker trip. Business Impact: Provides robust fault-current protection and coordinated disconnection across connected circuits, lowering the risk of equipment damage and downtime. Application: Headquarters, manufacturing lines, and automation cabinets where high fault currents are possible. Feature: 120/240 V operating range and wire size capability to #4-2/0 AWG Cu/Al. Business Impact: Supports heavy feeders and flexible wiring options, enabling safer, code-compliant installations with fewer junctions. Application: feeders to motors and distribution circuits in industrial facilities. Feature: Plug-on mounting and Type BR compatibility. Business Impact: Simplifies installation, reduces field wiring errors, and shortens commissioning time. Application: Retrofit projects and OEM panels that require fast, reliable plug-on protection. Feature: Catalog notes support 10-150 A, switching duty, HACR, shunt trip and high magnetic settings. Business Impact: Delivers tailored protection schemes for HVAC, controls, and critical loads, cutting inventory variety while meeting regulatory and application-specific requirements. Application: Custom protection schemes in automation and process panels. Feature: Certifications and compliance UL 490 and Federal Specifications W-C376. Business Impact: Ensures regulatory acceptance, traceable quality, and safer procurement practices with documented standards alignment. Application: Any regulated industrial installation demanding formal certification and procurement traceability.
Get a Quick Quote for a Eaton BRHH2125
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 BRHH2125?
Enquire Now
FAQs
Yes. BRHH2125 is a Type BR 1-Inch plug-on circuit breaker designed for Type BR Loadcenters, two-pole, 125 A, 120/240 V. It mounts via plug-on installation and uses a common trip when paired with the panel's bus. Ensure wire size is #4-2/0 AWG Cu/Al to match lug requirements.
Key specs include 125 A amperage rating, 120/240 V voltage rating, 42 kAIC interrupt rating, two-pole configuration, plug-on mounting, Type BR, and suitability for #4-2/0 AWG Cu/Al conductors. Its compact 3 in x 3 in x 2 in footprint supports BR Loadcenters and common-trip protection.
Yes. BRHH2125 supports 120/240 V distribution in BR Loadcenters and, per catalog notes, can be selected for switching duty, HACR, shunt trip, and high-magnetic settings. This makes it adaptable for HVAC, lighting, and control circuits while maintaining coordinated protection in multi-load panels.
BRHH2125 is UL 490 listed and complies with Federal Specifications W-C376. These certifications support code compliance, safety validation, and enterprise purchasing requirements for regulated industrial environments.
Eaton provides documentation and warranty coverage for BR series breakers. You can download the Eaton specification sheet and warranty guide from the product downloads. This supports maintenance planning, replacement scheduling, and ongoing support for long lifecycle operations.