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Eaton / Westinghouse FA3070P Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Eaton / Westinghouse
FA3070P
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
FA3070P
Quantity
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Eaton / Westinghouse FA3070P - 70A 3 Pole Molded Case Circuit Breaker
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70A 3 Pole Molded Case Circuit Breaker
Description
Designed for heavy-duty industrial environments, this 70A three-pole MCCB utilizes proven thermal-magnetic trip technology. It integrates seamlessly into legacy Westinghouse switchboards, motor control centers, and Eaton Pow-R-Line C panelboards. As a drop-in solution, it replaces older FA series units without requiring modern FD-frame adapters. The breaker features AB De-Ion arc quenching capabilities and provides a 14kAIC interrupting rating at 480VAC.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | FA3070P-R |
| Series | FA |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Westinghouse Panelboards, Motor Control Centers, Switchboards, Eaton Pow-R-Line C Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| 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 Lug |
| Standards | CSA C22.2 No. 5, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | AB De-Ion Arc Quenching |
Product FAQs
5 answersWhat panelboards accept the FA3070P circuit breaker?
This F-frame breaker bolts directly into classic Westinghouse panelboards, switchboards, and motor control centers. It is also fully compatible with modern Eaton Pow-R-Line C panelboards, making it ideal for both legacy maintenance and newer system upgrades.
Does the FA3070P come with line and load lugs?
Because it is a bolt-on breaker, the line side mounts directly to the panel bus and does not use lugs. It does come complete with standard load-side lug terminals for your outgoing wire connections.
Is the Westinghouse FA3070P obsolete, and what is the modern replacement?
Yes, the original Westinghouse FA-frame series is obsolete. For updated systems, it is typically replaced by the modern Eaton Series C F-frame (such as the FD3070). However, exact FA3070P replacements are still widely sourced to maintain existing panel bill of materials without retrofitting.
Can I adjust the trip settings on the FA3070P?
No. This breaker is equipped with a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous (LI) protection thresholds are factory-set and cannot be modified in the field.
Why is the FA3070P listed under Eaton, Cutler-Hammer, and Westinghouse?
Eaton acquired the Westinghouse electrical distribution division in 1994. Legacy Westinghouse breakers like the FA3070P are frequently cross-referenced or branded under all three names depending on the manufacturing year.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 70 reviews.
Reviews Summary
Generated by AI from 68 most recent customer reviews
Last updated 8/15/26
Customers say this circuit breaker matches its description, fits perfectly, and works as expected. Many reviews highlight fast shipping and quick delivery times, with several noting orders arrived within days. Users appreciate the product condition, describing refurbished units as appearing new without wear or marks. Common feedback addresses competitive pricing compared to local suppliers and the overall value proposition. Customers report straightforward ordering processes and reliable service, with repeat purchasers noting consistent positive experiences. The breaker installed easily and functioned properly in various applications.
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Rating
70 reviews
- CPCasey P.Verified BuyerReviewingSquare D FA34030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/14/26Great company
Ordered on a Saturday evening, paid for two day shipping and it arrived on time and in perfect condition. Would 100 percent be using this company going forward, beat out pricing and shipping times for all my local supply houses. Plus the staff were great to deal with.
- AHAnn H.Verified BuyerReviewingSquare D FA36100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/22/26Professional Service
So far, so good! The circuit breaker was installed along with a new compressor for our church AC, and everything is now working well.
The company has been professional, dependable, and reputable throughout the process. I had a question after the installation, and it was answered immediately. I also appreciated that they followed up and asked for feedback to make sure the new part was working properly and that we were satisfied with the service.
It’s refreshing to deal with a company that not only has quality products but also cares about its customers after the job is completed. I would definitely recommend them!
- RErene e.Verified BuyerReviewingSquare D FA34070 - 70A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/14/26breaker
breaker was just as discribed
- BEBallentine E.Verified BuyerReviewingSquare D FA24060AC - 60A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/15/26Great
Accurate and on time.
- EBEdward B.Verified BuyerReviewingSquare D FA32100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/1/26As good as new
The Square D FA32100 circuit breaker (refurbished) was as good as a new breaker, without exception. There was no wear and tear or any marks at all. It was basically new. It is an excellent choice and a great product without having to pay the cost of a new breaker.