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Eaton / Cutler-Hammer BRH280 Miniature Circuit Breaker
- 80A
- 2 Pole
- Plug-On
Eaton / Cutler-Hammer
BRH280
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
BRH280
Quantity
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Eaton / Cutler-Hammer BRH280 - 80A 2 Pole Miniature Circuit Breaker
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Description
Part of the BR family, this 80A two-pole miniature circuit breaker provides reliable thermal-magnetic protection for residential and commercial applications. It installs into standard Eaton Type BR load centers and accepts 4-1/0 AWG copper or aluminum wire. Featuring a high interrupting rating of 22kAIC at 120/240VAC, this plug-on component ensures enhanced safety for heavier branch circuits. It includes a common trip mechanism and carries a HACR rating for HVAC equipment compatibility.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | BRH280 |
| Series | BRH |
| Amperage | 80A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Frame Type | BRH |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Type BR Load Centers |
| Wire Gauge | 4-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Standards | UL 489, Federal Specification W-C376, HACR |
| Approval | UL |
| Temp Rating | 60C to 75C |
| Construction Features | Common Trip, High Interrupting Capacity, HACR Rated |
Product FAQs
5 answersCan the Eaton BRH280 replace older Westinghouse or Bryant BRH280 breakers?
Yes. Eaton acquired Westinghouse's electrical distribution line and Bryant. The Eaton BRH280 is the direct, manufacturer-approved replacement for legacy Westinghouse, Bryant, and Challenger breakers with the same catalog number.
What is the difference between an Eaton BR280 and a BRH280?
The difference is the interrupting rating. A standard BR280 has a 10 kAIC rating, while the BRH280 features a higher 22 kAIC rating. The BRH280 can be used as a direct upgrade in Type BR load centers that require a higher fault current rating.
What type of electrical panels accept the BRH280 circuit breaker?
The BRH280 is designed exclusively for use in Eaton, Cutler-Hammer, Bryant, and Westinghouse Type BR load centers. It features a plug-on mounting style and requires two standard 1-inch spaces on the busbar.
What wire sizes are compatible with the BRH280 box lugs?
The box lugs on the BRH280 accept 4 AWG to 1/0 AWG copper or aluminum wire. Always ensure conductors are sized appropriately for the 80-amp rating and terminal temperature limits per local electrical codes.
Is the BRH280 recommended for continuous loads like EV chargers?
Yes. For continuous heavy loads like EV wall connectors, equipment manufacturers often specifically recommend using the higher-rated BRH series over standard BR breakers, especially when installing in panelboards with aluminum busbars.
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