Eaton / Cutler-Hammer BR225ST Miniature Circuit Breaker
- 25A
- 2 Pole
- Plug-On
Eaton / Cutler-Hammer
BR225ST
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
BR225ST
Quantity
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Eaton / Cutler-Hammer BR225ST - 25A 2 Pole Miniature Circuit Breaker
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Description
Designed for remote tripping applications, the Eaton BR225ST integrates a factory-installed shunt trip mechanism into a standard two-pole footprint. This configuration is ideal for commercial and industrial environments requiring automated or emergency circuit disconnection. It installs into standard Type BR load centers, providing reliable thermal-magnetic protection. The 10kAIC rated component ensures consistent performance while maintaining compatibility with existing Cutler-Hammer panels.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | BR |
| Amperage | 25A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Type BR Load Centers |
| Wire Gauge | 14-4 AWG (Cu/Al) |
| Max Wire | 4 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| 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
5 answersWhat does the "ST" suffix indicate on the BR225ST?
The "ST" designates a factory-installed shunt trip. This allows the breaker to be tripped remotely by applying a voltage signal to the shunt trip coil, a feature commonly required for emergency stop circuits or automated equipment shutdowns.
Which load centers are compatible with the BR225ST?
This Type BR plug-on breaker is designed for use in Eaton, Cutler-Hammer, and legacy Bryant load centers that accept 1-inch Type BR circuit breakers.
Does the shunt trip feature require additional panel space?
Yes. The factory-installed shunt trip module adds to the overall width of the breaker, meaning this unit will require more panel space than a standard 2-pole Type BR breaker. Ensure your load center has adequate adjacent spaces available before installation.
How does the thermal-magnetic trip mechanism operate on this breaker?
The thermal element provides a delayed trip to prevent nuisance tripping during temporary, mild overloads, such as motor startups. The magnetic element provides an instantaneous trip response to safely clear severe short circuits.
Can the BR225ST replace older Cutler-Hammer breakers?
Yes, Eaton and Cutler-Hammer Type BR breakers are fully interchangeable. Eaton acquired Cutler-Hammer and continues to manufacture the BR series to the exact same specifications, making this a direct replacement for older Cutler-Hammer BR225ST models.
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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.