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Eaton / Westinghouse EA3050 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Bolt-On
Eaton / Westinghouse
EA3050
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
EA3050
Quantity
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Eaton / Westinghouse EA3050 - 50A 3 Pole Molded Case Circuit Breaker
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Description
Designed specifically for legacy commercial systems, this 50A three-pole molded case circuit breaker utilizes proven thermal-magnetic technology. It provides reliable protection for industrial facilities relying on classic E-frame equipment. Electricians can easily integrate this bolt-on component into vintage Westinghouse panelboards. For facilities planning upgrades, the EHD3050 is the official cross-reference substitute.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | EA3050-R |
| Series | EA |
| Amperage | 50A |
| 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 are compatible with the EA3050 circuit breaker?
The EA3050 is designed for legacy Westinghouse panelboards that accept E-frame bolt-on breakers. It can also be installed in specific Eaton retrofit panelboards built to accommodate classic Westinghouse dimensions.
What is the modern cross-reference replacement for the EA3050?
For facilities upgrading their electrical systems or replacing obsolete E-frame equipment, the Eaton EHD3050 serves as the official cross-reference substitute for the legacy EA3050.
Can the EA3050 be utilized in DC electrical systems?
Yes, this breaker is rated for direct current applications, offering a 5kA interrupting capacity at 125/250VDC.
What wire sizes do the EA3050 load lugs accept?
The included load side lugs accommodate wire gauges ranging from 14 AWG to 1/0 AWG. Installers must select the proper conductor size for a 50A load in accordance with local electrical codes.
How does the EA3050 connect to the panelboard busbar?
The EA3050 features a bolt-on mounting style. It must be mechanically bolted directly to the panelboard bus, providing a secure connection suitable for commercial and industrial environments.
What internal accessories are compatible with the EA3050?
The EA3050 supports standard E-frame internal accessories. Available options include shunt trips, auxiliary switches, undervoltage releases, and alarm switches.
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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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