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Square D FHL36080 Molded Case Circuit Breaker

  • 80A
  • 3 Pole
  • Unit Mount
Square D FHL36080
Molded Case Circuit Breaker
Brand Square D
SKU FHL36080
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  • 80A
  • 3 Pole
  • Unit Mount

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Square D FHL36080 - 80A 3 Pole Molded Case Circuit Breaker

Square D FHL36080 - 80A 3 Pole Molded Case Circuit Breaker

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$895.00 In Stock

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Description

Constructed for industrial power distribution, this 80A unit mount circuit breaker utilizes proven thermal-magnetic technology. The three-pole device provides fixed LI protection for commercial systems. Designed to fit Square D enclosures and switchboards, it offers a reliable solution for aging infrastructure. This component is officially replaced by the HGL36080 frame. This HACR-rated breaker features factory-installed lugs supporting 14-1/0 AWG conductors.

Specifications

Key specifications
Brand Square D
Part Number FHL36080
Series FHL
Amperage 80A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Frame Type FHL
Terminal Type Lugs
For Use With Square D Enclosures, Switchboards, Panelboards
Wire Gauge 14-1/0 AWG (Cu/Al)
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
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release
Accessories Line and Load Lugs Included
Standards CSA C22.2 No. 5, UL 489, NEMA AB 1
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip

Product FAQs

7 answers
Is the Square D FHL36080 still manufactured?

No, the FHL36080 is a legacy F-Frame circuit breaker that has been discontinued by Schneider Electric. It has been superseded by the PowerPact H-Frame series.

What is the direct replacement for the obsolete FHL36080?

The designated replacement is the PowerPact HGL36080. It provides the same 80A, 3-pole, 600VAC configuration and unit-mount design, but features a more compact footprint and upgraded performance.

How is the FHL36080 installed?

This is a unit-mount, feed-thru circuit breaker. It bolts directly to a mounting plate or backpan and uses mechanical lugs on both the line and load sides for wire connections.

What is the recommended lug torque for the FHL36080?

The factory-installed AL100FA mechanical lugs require a tightening torque of 50 lb-in (5.6 N.m) for 14 AWG to 1/0 AWG copper or aluminum conductors.

Can the FHL36080 be installed in Square D I-Line panelboards?

No. The FHL36080 is a unit-mount breaker designed for standard enclosures and switchboards. I-Line panelboards require a plug-on breaker with I-Line jaw connections on the line side.

What type of trip protection does the FHL36080 offer?

It features a non-interchangeable thermal-magnetic trip unit that provides fixed Long-Time (L) protection for overloads and Instantaneous (I) protection for short circuits.

Does the FHL36080 accept field-installable accessories?

Yes, legacy F-Frame breakers can accept select factory or field-installable accessories, such as shunt trips, auxiliary switches, and undervoltage releases, depending on the enclosure space.

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Reviews

4.7
Rated 4.7 out of 5 stars
Based on 3 reviews
Total 5 star reviews: 2 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
3 reviews
  • CB
    Chris B.
    Verified Buyer
    Reviewing
    Square D FHL36000M1586 - 100A 3 Pole Automatic Molded Case Switch
    I recommend this product
    Rated 5 out of 5 stars
    7/24/26
    Re-certified Breaker for Trane RTU's

    We received the breaker quickly and it was the exact match for the equipment we needed. The breaker looks like new, solved out problem quickly.

  • JF
    Jeremy F.
    Flag of United States
    Reviewing
    Square D FHL26090 - 90A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/2/22
    Great Product

    Great pricing. Easy ordering.

  • MG
    Michael G.
    Flag of United States
    Reviewing
    Square D FHL36060 - 60A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    5/21/18
    Great prices !!

    Great prices and normally fast shipping times. Did have a little confusion with shipping updates.