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Eaton / Cutler-Hammer BR260ST Miniature Circuit Breaker
- 60A
- 2 Pole
- Plug-On
Eaton / Cutler-Hammer
BR260ST
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
BR260ST
Quantity
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Eaton / Cutler-Hammer BR260ST - 60A 2 Pole Miniature Circuit Breaker
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Description
The BR260ST is a 60-amp, two-pole miniature circuit breaker from Eaton's trusted BR series. Built for residential and commercial applications, it provides dependable thermal-magnetic overload and short-circuit protection for 120/240V electrical systems. This plug-on breaker is compatible with Eaton Type BR load centers, as well as legacy Bryant, Challenger, and Westinghouse panels. It features a standard 1-inch per pole format and accepts 8-1/0 AWG copper or aluminum wiring.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | BR260ST |
| Series | BR |
| Amperage | 60A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | BR |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Eaton Type BR Load Centers, Bryant Load Centers, Challenger Load Centers, Westinghouse Load Centers |
| Wire Gauge | 8-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment, Handle Lock |
|---|---|
| Accessories | Shunt Trip |
| Standards | Federal Specification W-C375, UL 489 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Common Trip, HACR Rated |
Product FAQs
7 answersWhat does the ST suffix indicate on the BR260ST?
The ST suffix means this breaker includes a factory-installed shunt trip mechanism. This allows the breaker to be tripped remotely via an external voltage signal, which is typically required for emergency stop buttons or fire alarm system integration.
Which load centers are compatible with this breaker?
The BR260ST is designed for Eaton Type BR load centers. It is also UL listed for backward compatibility with legacy Bryant, Challenger, and Westinghouse panels that accept 1-inch plug-on breakers.
Can I install the BR260ST in a Siemens or Square D panel?
No. This breaker is exclusively designed for Eaton BR and legacy compatible panels (Bryant, Challenger, Westinghouse). It is not UL listed or safe for use in Siemens, Square D Homeline, or Square D QO load centers.
What wire sizes and materials are supported by the terminals?
The box lugs accept 8 AWG through 1/0 AWG conductors. The terminals are rated for both copper (Cu) and aluminum (Al) wiring. Always apply the proper torque as specified on the breaker label during installation.
Does this breaker provide ground fault or arc fault protection?
No. The BR260ST is a standard thermal-magnetic circuit breaker equipped with a shunt trip. It provides standard overload and short-circuit protection but does not include GFCI or AFCI circuitry.
Can I add a shunt trip to a standard BR260 breaker in the field?
No. Shunt trips for Eaton BR miniature circuit breakers must be factory-installed. If your application requires remote tripping capabilities, you must purchase a breaker with the ST suffix like the BR260ST.
How much panel space does this breaker require?
The BR260ST is a 2-pole breaker built on the standard 1-inch per pole format. It requires two adjacent 1-inch spaces in the load center.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 70 reviews.
Reviews Summary
Generated by AI from 96 most recent customer reviews
Last updated 8/15/25
Customers say these circuit breakers arrive quickly and fit their needs perfectly. Many reviews mention competitive pricing and reliable availability, particularly for hard-to-find models. The products consistently meet expectations for installation and functionality. Reviews frequently note the precise fit and immediate operation of these breakers. Some users appreciate the option of both new and refurbished units.
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Rating
70 reviews
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In this day and age it can be a challenge at times finding a reputable business that fills your order correctly and at the right price and without delay. I am very pleased with your service. Thank you.