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Eaton / Westinghouse EA3090 Molded Case Circuit Breaker
- 90A
- 3 Pole
- Bolt-On
Eaton / Westinghouse
EA3090
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
EA3090
Quantity
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Eaton / Westinghouse EA3090 - 90A 3 Pole Molded Case Circuit Breaker
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Description
Providing critical overcurrent protection for three-phase systems, this 90-amp molded case breaker utilizes fixed thermal and magnetic trip elements. It supports legacy commercial applications. The device fastens into older Westinghouse distribution boards and Eaton retrofit panels. It acts as an exact substitute for the EHD3090, allowing facilities to replace failing components while keeping existing enclosures intact. Delivers a 10kA interrupting capacity at 240VAC.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | EA3090-R |
| Series | EA |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 5kA @ 125/250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Westinghouse Panelboards, Eaton Panelboards (Retrofit) |
| 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 | CSA C22.2 No. 5, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Standard Interrupting Capacity, Non-Interchangeable Trip |
Product FAQs
6 answersWhich panelboards accept the EA3090 circuit breaker?
This bolt-on breaker is designed to fasten into older legacy Westinghouse distribution boards as well as modern Eaton retrofit panels that accommodate Westinghouse E-Frame breakers.
Can the EA3090 be used in place of an Eaton EHD3090?
Yes, the EA3090 acts as an exact substitute for the EHD3090. This allows facilities to replace failing components while keeping existing legacy enclosures intact.
How are the load connections made on the EA3090?
The breaker is equipped with load side lug terminals that accept wiring ranging from 14 AWG to 1/0 AWG. The line side features a bolt-on connection for direct mounting to the panelboard bus.
Does the EA3090 provide adjustable trip settings?
No, this breaker utilizes a fixed thermal-magnetic trip unit. It provides non-interchangeable, fixed long-time and instantaneous (LI) overcurrent protection.
Is the EA3090 suitable for 480V commercial systems?
No, this breaker has a maximum voltage rating of 240VAC and 125/250VDC. It must not be installed in 480V or 600V electrical systems.
Is the EA3090 rated for use in direct current applications?
Yes, in addition to its standard 240VAC rating, this breaker is rated for 125/250VDC applications with a 5kA interrupting capacity, making it suitable for specific DC control or distribution systems.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
1 review
- CGClaudia G.Verified BuyerReviewingEaton / Westinghouse EA3030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/20/26Good
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