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Eaton / Cutler-Hammer FH360020 Molded Case Circuit Breaker

  • 20A
  • 3 Pole
  • Unit Mount
Eaton / Cutler-Hammer FH360020
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU FH360020
Select Item Condition
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  • 20A
  • 3 Pole
  • Unit Mount

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Eaton / Cutler-Hammer FH360020 - 20A 3 Pole Molded Case Circuit Breaker

Re-Certified

$438.89 In Stock

Quantity

Description

Part of the legacy F-Frame series, the FH360020 is a 3-pole, 20A MCCB from Eaton. It delivers high interrupting capacity for demanding industrial environments. This unit mount breaker is compatible with Eaton and Westinghouse Pow-R-Line C panelboards and motor control centers. The FD3020 or HFD3020 models serve as modern substitutes. Equipped with a fixed thermal-magnetic trip unit, it ensures precise LI fault protection. The breaker achieves 65 kAIC at 240VAC and 25 kAIC at 480VAC.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
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 Type F
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 Load Side 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

8 answers
Is the FH360020 a direct replacement for older Westinghouse FH breakers?

Yes. Eaton acquired the Westinghouse distribution equipment line. The Eaton or Cutler-Hammer FH360020 is a direct replacement for legacy Westinghouse breakers with the exact same catalog number.

What are the modern equivalents for the legacy FH360020 circuit breaker?

The FD3020 and HFD3020 are the modern Series C F-Frame substitutes for this legacy breaker. The FD3020 offers standard interrupting ratings, while the HFD3020 provides higher interrupting capacity.

Can the FH360020 be reverse fed?

Yes. Like all Eaton F-Frame molded case circuit breakers, the FH360020 is suitable for reverse feed applications.

Is this 20A breaker rated for High Intensity Discharge (HID) lighting?

Yes. Eaton F-Frame circuit breakers rated between 10A and 30A, including the 20A FH360020, are suitable for HID lighting applications.

Does the FH360020 carry an HACR rating?

Yes. All Eaton F-Frame circuit breakers are HACR rated for use with heating, air conditioning, and refrigeration equipment.

Which panelboards are compatible with the FH360020 breaker?

This unit mount breaker is designed for use in Eaton and Westinghouse Pow-R-Line C panelboards, switchboards, and motor control centers.

Is the FH360020 suitable for direct current (DC) applications?

Yes, it is rated for 250VDC systems and provides a 10kA interrupting capacity for compatible DC circuits.

What type of terminals are included with the FH360020?

This breaker comes with standard mechanical lugs designed to accept 14 to 1/0 AWG aluminum or copper conductors.

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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