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Eaton / Westinghouse EB3050L Molded Case Circuit Breaker

  • 50A
  • 3 Pole
  • Unit Mount
Eaton / Westinghouse EB3050L
Molded Case Circuit Breaker
Brand Eaton / Westinghouse
SKU EB3050L
Select Item Condition
Earn 106 SuperPoints
  • 50A
  • 3 Pole
  • Unit Mount

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Westinghouse EB3050L 3 Pole Circuit Breaker

Eaton / Westinghouse EB3050L - 50A 3 Pole Molded Case Circuit Breaker

Re-Certified

$106.79 No Stock

Quantity

Description

Built to handle commercial loads, the Eaton EB3050L is a 3-pole, 50A molded case circuit breaker. It utilizes proven thermal-magnetic trip technology to safeguard critical circuits against overloads. Designed for unit mount applications, it fits into Eaton Pow-R-Line C and Westinghouse F-Frame panelboards. This component is the exact predecessor to the EHD3050L. With an interrupting capacity of 10 kAIC at 240VAC, it features non-interchangeable trip units and factory-installed lugs.

Specifications

Key specifications
Brand Eaton / Westinghouse
Part Number EB3050L-R
Series EB
Amperage 50A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 250VDC
Phase 3
AIC Rating 10kA @ 240VAC, 5kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Eaton Pow-R-Line C Panelboards, Westinghouse F-Frame Panelboards
Wire Gauge 14-1/0 AWG (Al/Cu)
Max Wire 1/0 AWG
Min Wire 14 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories Line & Load Lugs
Standards CSA C22.2 No. 5, NEMA AB-1, UL 489
Approval CSA, UL
Temp Rating 40C

Product FAQs

5 answers
What panelboards accept the EB3050L circuit breaker?

This legacy E-Frame breaker is designed to bolt directly into Eaton Pow-R-Line C panelboards and older Westinghouse F-Frame panelboards.

What is the modern equivalent or successor to the EB3050L?

The EB3050L is a legacy E-Frame breaker. Its exact successor in the Eaton Series C line is the EHD3050L, which fits the same panelboard spaces.

What wire gauge and material can be used with the EB3050L terminals?

The factory-installed line and load lugs support both aluminum and copper conductors, accommodating wire sizes from 14 AWG up to 1/0 AWG.

Can the EB3050L be installed in DC power systems?

Yes, while primarily used in 240VAC systems, this breaker is also certified for 250VDC applications with a 5kA interrupting capacity, making it suitable for specific direct current loads.

Is the trip unit on the EB3050L adjustable?

No, this breaker features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous (LI) protection without adjustable dials.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 6 reviews
Rating
Ratings
6 reviews
  • TH
    Terry H.
    Verified Buyer
    Reviewing
    Eaton / Westinghouse EB3100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/15/26
    no issues

    As described, arrived quickly. As long as your homework is good the come through. They can also cross reference for you too.

  • TM
    TROY M. C.
    Verified Buyer
    Reviewing
    Eaton / Westinghouse EB1020 - 20A 1 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/6/26
    westinghouse breaker for the very best

    it work so good to turn on and off very satisfaction great for OCP. would buy again 10/10

  • JS
    James S.
    Verified Buyer
    Reviewing
    Eaton / Westinghouse EB3100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/4/25
    breaker

    Ship time was fair; breaker fits & functions.

  • JA
    Jerry A.
    Flag of United States
    Reviewing
    Eaton / Westinghouse EB1020 - 20A 1 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    5/1/20
    GE Braker

    Re-certified breaker was the exact match for the old one. Thank you for the quick turnaround.

    jerry-

  • RB
    Robert B.
    Flag of United States
    Reviewing
    Eaton / Westinghouse EB3040 - 40A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/25/19
    The right one

    Fit like a glove, works great