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Eaton / Westinghouse F3100 Molded Case Circuit Breaker

  • 100A
  • 3 Pole
  • Bolt-On
Eaton / Westinghouse F3100
Molded Case Circuit Breaker
Brand Eaton / Westinghouse
SKU F3100
Select Item Condition
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  • 100A
  • 3 Pole
  • Bolt-On

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Westinghouse F3100 3 Pole Circuit Breaker

Eaton / Westinghouse F3100 - 100A 3 Pole Molded Case Circuit Breaker

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$809.62 In Stock

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Description

Manufactured for heavy-duty commercial applications, this 100-amp F-Frame breaker delivers robust circuit protection for older electrical systems. Installation is straightforward in vintage Westinghouse hardware and Eaton Pow-R-Line C panels. It acts as a perfect substitute for hard-to-find FDB3100 and FD3100 units, eliminating the need for costly panel upgrades. Rated for 14kAIC at 480VAC, the unit features proven De-Ion arc extinguishing capabilities and supports reverse feeding.

Specifications

Key specifications
Brand Eaton / Westinghouse
Part Number F3100-R
Series F
Amperage 100A
Poles 3
Mounting Style Bolt-On
Voltage 600VAC, 250VDC
Phase 3
AIC Rating 18kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Westinghouse Panelboards, Eaton Pow-R-Line C Panelboards, Motor Control Centers
Wire Gauge 14-1/0 AWG
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 Load Side Lugs Included
Standards NEMA AB-1, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features Reverse Feed

Product FAQs

5 answers
Which panelboards accept the F3100 circuit breaker?

This bolt-on F-frame breaker is designed for direct installation in legacy Westinghouse panelboards, Eaton Pow-R-Line C panelboards, and compatible motor control centers.

Can the F3100 be used in direct current (DC) applications?

Yes, in addition to its AC ratings, this breaker carries a DC interrupting rating of 10kA at 250VDC, making it suitable for industrial DC control circuits.

What wire sizes are compatible with the F3100 load side lugs?

The included load side lugs accept wire gauges ranging from 14 AWG up to 1/0 AWG.

Are the thermal and magnetic trip settings adjustable on the F3100?

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

Can the F3100 replace other Eaton or Westinghouse F-frame breakers?

Yes, this breaker serves as a direct substitute for hard-to-find FDB3100 and FD3100 units in existing installations, which can help avoid complete panel upgrades.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 5 reviews
Total 5 star reviews: 5 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
5 reviews
  • KK
    Ken K.
    Flag of United States
    Reviewing
    Square D H323N Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    8/5/21
    100 Amp disconnects

    Easy to order, out the door fast, received in good time. Thanks!

  • DS
    Darrell S.
    Flag of United States
    Reviewing
    Square D H361NRB Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    6/30/21
    GREAT!

    GREAT!

  • A
    Ak
    Flag of India
    Reviewing
    Square D H361NRB Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    7/30/20
    Looking good

    Great to use this product

  • DS
    Darrell S.
    Flag of United States
    Reviewing
    Square D H361NRB Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    9/24/18
    P.O. 128280

    Good price, fast delivery...

  • DP
    Deanna P.
    Flag of United States
    Reviewing
    Square D H361NRB Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    2/27/17
    ITEM EXACTLY AS DESCRIBED

    VERY HAPPY WITH THE ITEM. MY GUYS GAVE ME THE # OFF THE BOX AND SAID THIS IS WHAT TO ORDER FROM NOW ON.