Eaton / Westinghouse E2050 Molded Case Circuit Breaker
- 50A
- 2 Pole
- Bolt-On
Eaton / Westinghouse
E2050
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
E2050
Quantity
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Eaton / Westinghouse E2050 - 50A 2 Pole Molded Case Circuit Breaker
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Eaton / Westinghouse E2050 - 50A 2 Pole Molded Case Circuit Breaker
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| Brand | Eaton / Westinghouse |
|---|---|
| Series | E |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 7kA @ 240VAC, 5kA @ 125/250VDC |
| Frame Type | E |
|---|---|
| Terminal Type | Lugs |
| For Use With | Westinghouse Panelboards, Eaton 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Standard Interrupting Capacity |
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Eaton / Westinghouse E2050 - 50A 2 Pole Molded Case Circuit Breaker
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| Brand | Eaton / Westinghouse |
|---|---|
| Series | E |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 7kA @ 240VAC, 5kA @ 125/250VDC |
| Frame Type | E |
|---|---|
| Terminal Type | Lugs |
| For Use With | Westinghouse Panelboards, Eaton 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Standard Interrupting Capacity |
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Description
Engineered for commercial and industrial applications, the Eaton E2050 is a 50A, 2-pole molded case circuit breaker. It features standard thermal-magnetic trip technology to provide long-time and instantaneous protection for commercial systems. This bolt-on MCCB installs into legacy Westinghouse and Eaton panelboards without requiring specialized adapters. It serves as an exact drop-in replacement for older units and is superseded by the EHD2050 or EB2050 models for modern upgrades.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Series | E |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 7kA @ 240VAC, 5kA @ 125/250VDC |
| Frame Type | E |
|---|---|
| Terminal Type | Lugs |
| For Use With | Westinghouse Panelboards, Eaton 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Standard Interrupting Capacity |
Product FAQs
6 answersWhich panelboards accept the E2050 circuit breaker?
This E-frame breaker is designed for installation in legacy Westinghouse and current Eaton bolt-on panelboards that are configured for E-frame molded case circuit breakers.
Can the E2050 breaker be used in DC power systems?
Yes, in addition to its 240VAC rating, this breaker is rated for DC applications up to 125/250VDC with a 5kAIC interrupting capacity.
What wire sizes and materials are accepted by the E2050 lugs?
The standard lugs on this breaker are rated for both copper and aluminum conductors, accepting wire sizes from 14 AWG up to 1/0 AWG.
Are the trip settings adjustable on the E2050?
No, the E2050 features a fixed thermal-magnetic trip unit. Both the long-time overload and instantaneous short-circuit trip functions are factory set and cannot be adjusted in the field.
Is the Westinghouse E2050 breaker still in production?
The E2050 is a legacy E-frame molded case circuit breaker originally manufactured by Westinghouse and later by Eaton Cutler-Hammer. While the original Westinghouse branding is obsolete, the breaker frame remains supported for replacement in existing panels.
Does the E2050 breaker include ground fault or arc fault protection?
No, this is a standard thermal-magnetic breaker equipped with fixed long-time and instantaneous trip functions. It does not provide GFCI or AFCI protection.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 25 reviews.
Total 5 star reviews: 24 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Reviews Summary
Generated by AI from 30 most recent customer reviews
Last updated 8/15/25
Customers say this electrical breaker meets their expectations in terms of functionality and performance. Many reviews mention quick delivery times and competitive pricing. While one user reports voltage detection issues, most find these units work effectively. Common feedback includes satisfaction with product condition upon arrival and straightforward installation. Reviews indicate availability of specialty models that are often hard to find through local suppliers.
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Rating
25 reviews
- MGMike G.Rated 5 out of 5 stars11/27/23Just what we needed and
Just what we needed and fast shipping
- TETimothy E.ReviewingSquare D HU364 Safety SwitchI recommend this productRated 5 out of 5 stars5/9/22quick response!!!!
quick response!!!!
- DGDavid G.ReviewingSquare D HU362 Safety SwitchI recommend this productRated 5 out of 5 stars4/13/22Great service and fast shipping
Great service and fast shipping
- WEWarren E.ReviewingSquare D HU361 Safety SwitchI recommend this productRated 5 out of 5 stars3/1/22600v Disconnect
They have GREAT Inventory! Even my Local suppliers did not have them in stock.
- SKSaki K.ReviewingSquare D HU361 Safety SwitchI recommend this productRated 5 out of 5 stars2/20/22Good product
Good product in good price