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Eaton / Cutler-Hammer HFD3100L Molded Case Circuit Breaker

  • 100A
  • 3 Pole
  • Unit Mount
Eaton / Cutler-Hammer HFD3100L
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU HFD3100L
Select Item Condition
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  • 100A
  • 3 Pole
  • Unit Mount

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Eaton / Cutler-Hammer HFD3100L - 100A 3 Pole Molded Case Circuit Breaker

Eaton / Cutler-Hammer HFD3100L - 100A 3 Pole Molded Case Circuit Breaker

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$504.99 In Stock

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Description

Belonging to the Eaton Series C F-Frame family, the HFD3100L provides 100A of reliable thermal-magnetic protection. Built for commercial and industrial applications, it utilizes long-time and instantaneous (LI) trip functions to secure electrical systems. This unit-mount breaker installs into Eaton Series C panelboards, switchboards, and motor control centers. Rated at 65 kAIC at 480VAC, it features HACR certification and reverse feed capability for versatile power distribution setups.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Series HFD
Amperage 100A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 22kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Eaton Series C Panelboards, Switchboards, Motor Control Centers
Wire Gauge 14 AWG - 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 Auxiliary Switch, Shunt Trip, Undervoltage Release, Alarm Switch
Accessories Line and Load Lugs (Included)
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489
Approval CE, CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed, High Interrupting Capacity, Non-Interchangeable Trip

Product FAQs

4 answers
What does the L suffix mean in the HFD3100L catalog number?

The L suffix indicates the circuit breaker is factory-supplied with both line and load-side lug terminals. Standard catalog numbers without the suffix typically include load-side lugs only.

What is the modern Eaton replacement for the HFD3100L?

Eaton has transitioned the legacy Series C F-frame line to the newer Power Defense platform. The recommended direct equivalent is the PDG23M0100TFFJ, though you should verify enclosure and hardware compatibility before retrofitting.

Can the HFD3100L be reverse fed?

Yes, standard Eaton Series C F-frame thermal-magnetic circuit breakers do not have directional line and load restrictions and are suitable for reverse feed applications.

Are the standard lugs on the HFD3100L rated for aluminum wire?

Yes, the factory lugs provided with this Series C F-frame breaker are dual-rated for use with both copper (Cu) and aluminum (Al) conductors.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 21 reviews
Rating
Ratings
21 reviews
  • CH
    carl h.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3200 - 200A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/20/26
    Breaker

    Breaker shipped out and we received it super quick.

  • DL
    Deanna L.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3150 - 150A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/19/26
    Eaton / Cutler-Hammer HFD3150 - 150A 3 Pole Molded Case Circuit Breaker

    We needed more breakers ASAP and once again, Michael David came thru like he always does. We are a 24/7/ emergency electrical restoration companyso most of our orders are always needed in a rush and SuperBreakers is always my go to!.

  • RF
    Ron F.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3045 - 45A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/9/26
    HFD3045

    Perfect breaker & great price/delivery. It's very easy to schedule around SB as their projected delivery times are accurate.

  • CP
    Christopher P.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3020L - 20A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/13/26
    Fast and Cost effective

    Superbreakers Is always my first palce to look for harder to source breakers for a good price, and fast turnaround.

  • DS
    David S. B. D.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3060 - 60A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/6/26
    Breaker

    Great response time and product