Eaton BRX2125 Thermal Magnetic Circuit Breaker - UL Listed 65 kAIC
Part Number: BRX2125
Quick Summary
Eaton BRX2125 thermal magnetic circuit breaker protects critical feeders in industrial control panels. Sizing and coordinating 125 A circuits can be time-consuming and error-prone, but this unit’s clear amp rating, robust trip capability, and compact footprint help simplify design and installation. This BR type is UL Listed (E7819) and complies with Federal Specifications W-C375, supporting regulatory compliance in harsh industrial environments. By leveraging BRX2125 compatibility with BR series assemblies and 120/240 V operation, you gain reliable protection while reducing spare parts and downtime. For engineers seeking dependable overload protection with straightforward maintenance, this breaker delivers measurable business value and install-time savings.
Product Information
Extended Description
BRX2125 Eaton: Eaton BR thermal magnetic circuit breaker, thermal-magnetic circuit breaker,125 A,65 kAIC,Two-pole,120/240V,BRX,#14-2/0 AWG,BRX,65 kAIC,50-60 Hz
Product Name
Eaton BR thermal magnetic circuit breaker
Catalog Number
BRX2125
UPC
786685926827
Product Length/Depth
3 in
Product Height
3 in
Product Width
2 in
Product Weight
0.5 lb
Compliances
Federal Specifications Classification W-C375
Certifications
UL Listed file E7819
Type
thermal-magnetic circuit breaker
Amperage Rating
125 A
Voltage rating
120/240 V
Circuit breaker type
BR
Frequency rating
50-60 Hz
Capacity
65 kAIC
Interrupt rating
65 kAIC
Main circuit breaker
BR
Wire size
#14-2/0 AWG
Number of poles
Two-pole
Feature: 125 A amperage rating with a 65 kAIC interrupt capacity. Business Impact: Provides strong protection for feeder circuits against short circuits, reducing arc fault risk and potential downstream damage. Application: Suitable for 120/240 V BR-series panel boards in industrial automation and machine controls. Feature: Thermal-magnetic two-pole design. Business Impact: Combines fast thermal trip with magnetic instantaneous response for comprehensive fault protection, lowering fault dwell time and improving overall equipment reliability. Application: Ideal for motor feeders and high-inrush loads in manufacturing lines. Feature: Wire size compatibility #14-2/0 AWG. Business Impact: Simplifies field wiring and reduces labor during termination, improving installation speed and reducing wiring errors. Application: Common in control panels and MCCs where compact wiring is required. Feature: Compact dimensions (3 in L x 3 in H x 2 in W) and light weight (0.5 lb). Business Impact: Enables denser panel layouts and easier handling during installation and maintenance. Application: Preferred in space-constrained electrical distribution for automation equipment. Feature: Certifications and compliance (UL Listed E7819; Federal Specifications W-C375). Business Impact: Ensures regulatory compliance and safety documentation, simplifying audits and supplier qualification. Application: Suitable for industries with strict procurement standards and safety requirements. Feature: 50-60 Hz operation with BR circuit breaker type. Business Impact: Ensures compatibility with global electrical systems and standardized replacement parts, reducing inventory complexity. Application: Widely used in international manufacturing facilities and BR-series installations.
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FAQs
Yes. The BRX2125 is a two-pole thermal-magnetic circuit breaker rated for 120/240 V operation and accepts wire sizes from #14 to 2/0 AWG. Its BR-type design ensures straightforward replacement within typical BR-series panel boards, facilitating quick installation and minimal panel modification.
The BRX2125 is rated for 125 A with an interrupt capacity of 65 kAIC. This combination provides strong protection for feeders against both overloads and short-circuit faults, helping to prevent downstream equipment damage and reduce downtime in automation systems.
Yes. With its thermal-magnetic operation and 125 A rating, BRX2125 is well-suited for motor feeders and control circuits in panelboards. The 65 kAIC interrupt rating helps manage high inrush scenarios common with motors, while the compact BR form factor simplifies panel layout in applications like conveyors and presses.
BRX2125 is UL Listed (E7819), ensuring recognized safety and performance. It also complies with Federal Specifications W-C375, providing regulatory alignment for government and contract work. These certifications support safe, compliant deployment in industrial facilities.
Regular inspection of terminal connections and verification of trip performance is advised to maintain reliability. As a UL-listed, BR-series device with a compact footprint and high interrupt rating, BRX2125 can reduce panel space, spare parts, and downtime, delivering favorable total cost of ownership in systems requiring reliable short-circuit protection.