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Eaton / Cutler-Hammer FH360020A Molded Case Circuit Breaker

  • 20A
  • 3 Pole
  • Unit Mount
Eaton / Cutler-Hammer FH360020A
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU FH360020A
Select Item Condition
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  • 20A
  • 3 Pole
  • Unit Mount

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Eaton / Cutler-Hammer FH360020A - 20A 3 Pole Molded Case Circuit Breaker

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$1,155.58 Check Stock

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Description

Engineered for industrial applications, the Eaton FH360020A is a 3-pole, 20A molded case circuit breaker from the legacy F-Frame family. It provides robust overcurrent protection for heavy-duty electrical systems. This unit-mount breaker installs into Eaton and Westinghouse Pow-R-Line C panelboards and motor control centers. For modern upgrades, it is replaced by the FD3020 or HFD3020 models. Equipped with fixed thermal-magnetic trip units, it delivers a 25kAIC rating at 480VAC.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number FH360020A
Series FH
Amperage 20A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 65kA @ 240VAC, 25kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Frame Type FS
Terminal Type Lugs
For Use With Eaton / Westinghouse Pow-R-Line C Panelboards, Switchboards, Motor Control Centers
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 and Load Lugs Included
Standards CSA C22.2 No. 5, NEMA AB-1, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features High Interrupting Capacity

Product FAQs

6 answers
What equipment is the FH360020A circuit breaker designed to fit?

This unit mount breaker is compatible with Eaton and Westinghouse Pow-R-Line C panelboards, switchboards, and motor control centers.

What type of mounting does the FH360020A require?

It features a feed-thru connection and is designed for unit mounting. It is not a plug-on or bolt-on breaker for standard branch circuit lighting panels.

Is the FH360020A rated for direct current (DC) systems?

Yes, this thermal magnetic breaker is rated for up to 250VDC applications with an interrupting capacity of 10kAIC.

What wire sizes are accepted by the standard lugs on this breaker?

The included lugs accept both aluminum and copper conductors ranging from 14 AWG to 1/0 AWG.

What frame size does the FH360020A belong to?

It is an FS frame breaker, which is part of the legacy Eaton and Cutler-Hammer F-Frame molded case circuit breaker family.

Are the trip settings adjustable on the FH360020A?

No, this breaker features fixed thermal and fixed magnetic trip elements for its long-time and instantaneous (LI) protection functions.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 10 reviews
Rating
Ratings
10 reviews
  • DM
    Donald M.
    Verified Buyer
    Reviewing
    Square D FH36030 - 30A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/18/26
    Excellent Service

    The support team with Super Breakers went over and beyond in ensuring the breakers were on site for an emergency repair…

    CAVA Construction Manager very pleased!

    Donald Mayo

    Mayo Electric

  • PH
    payton h.
    Verified Buyer
    Reviewing
    Square D FH36090 - 90A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/17/26
    great

    great straightforward company has almost everything you could ever need in stock

  • SG
    Shawn G.
    Verified Buyer
    Reviewing
    Square D FH36020 - 20A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/20/26
    Thanks !

    Excellent service & gear per usual !

    Thanks !

  • E
    Earnest
    Verified Buyer
    Reviewing
    Square D FH36060 - 60A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    10/3/25
    Fast delivery and quality

    The breaker was in great condition.

  • JP
    Jason P.
    Verified Buyer
    Reviewing
    Square D FH36050 - 50A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/5/25
    Breakers

    Order was placed and they came in on time in good condition