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Eaton / Westinghouse F3090 Molded Case Circuit Breaker
- 90A
- 3 Pole
- Bolt-On
Eaton / Westinghouse
F3090
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
F3090
Quantity
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Eaton / Westinghouse F3090 - 90A 3 Pole Molded Case Circuit Breaker
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Description
Serving as an exact match for discontinued infrastructure, the 90A F3090 maintains operations in commercial facilities. This bolt-on unit fits seamlessly into classic Westinghouse enclosures, Eaton Pow-R-Line C panelboards, and motor control centers. It serves as a drop-in substitute for FDB3090 and FD3090 models. Featuring a 14kAIC rating at 480VAC and reverse feed capabilities, it utilizes proven De-Ion arc extinguishing technology for safe fault clearing.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | F3090-R |
| Series | F |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Westinghouse Panelboards, Eaton Pow-R-Line C Panelboards, Motor Control Centers |
| Wire Gauge | 14-1/0 AWG |
| Max Wire | 1/0 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
7 answersWhich panelboards accept the Westinghouse F3090 breaker?
The F3090 is a bolt-on F-frame breaker that fits directly into legacy Westinghouse enclosures, Eaton Pow-R-Line C panelboards, and compatible motor control centers.
Is there a modern Eaton equivalent for the Westinghouse F3090?
Yes. Eaton acquired the Westinghouse breaker line, and modern Eaton Series C F-frame breakers, such as the FD3090 and FDB3090, serve as direct cross-reference replacements for this legacy model.
Does the F3090 plug into the panel bus?
No, the F3090 is a bolt-on circuit breaker. It requires bolted connections to the panelboard bus and is not compatible with plug-on load centers.
What wire sizes are accepted by the terminals on this breaker?
The included load side lug terminals are designed to accept wire gauges ranging from 14 AWG up to 1/0 AWG.
Is the F3090 suitable for direct current (DC) systems?
Yes. While primarily used in AC systems up to 600VAC, this thermal-magnetic breaker is also rated for 250VDC applications with a 10kA interrupting capacity.
Are the trip settings on the F3090 adjustable?
No. This breaker features a fixed thermal-magnetic trip unit, meaning both the long-time and instantaneous (LI) trip functions are factory-set and cannot be adjusted in the field.
What arc extinguishing technology does the F3090 use?
This legacy breaker utilizes Westinghouse De-Ion arc extinguishing technology to rapidly clear faults and safely interrupt current during a short circuit or overload.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 5 reviews.
Total 5 star reviews: 5 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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5 reviews
- KKKen K.ReviewingSquare D H323N Safety SwitchI recommend this productRated 5 out of 5 stars8/5/21100 Amp disconnects
Easy to order, out the door fast, received in good time. Thanks!
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GREAT!
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Great to use this product
- DSDarrell S.ReviewingSquare D H361NRB Safety SwitchI recommend this productRated 5 out of 5 stars9/24/18P.O. 128280
Good price, fast delivery...
- DPDeanna P.ReviewingSquare D H361NRB Safety SwitchI recommend this productRated 5 out of 5 stars2/27/17ITEM EXACTLY AS DESCRIBED
VERY HAPPY WITH THE ITEM. MY GUYS GAVE ME THE # OFF THE BOX AND SAID THIS IS WHAT TO ORDER FROM NOW ON.