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Square D FAL26100 Molded Case Circuit Breaker

  • 100A
  • 2 Pole
  • Unit Mount
Square D FAL26100
Molded Case Circuit Breaker
Brand Square D
SKU FAL26100
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  • 100A
  • 2 Pole
  • Unit Mount

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FAL26100

Square D FAL26100 - 100A 2 Pole Molded Case Circuit Breaker

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$776.39 In Stock

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Description

Rated at 100 amps, the FAL26100 utilizes thermal-magnetic technology to safeguard commercial circuits. This two-pole molded case circuit breaker provides fixed long-time and instantaneous (LI) protection. The unit mounts into Square D enclosures, switchboards, and panelboards. While crucial for maintaining existing F-Frame setups, it is officially replaced by the HDL26100 for newer installations. Equipped with a Visi-Trip indicator, it allows teams to quickly spot tripped circuits.

Specifications

Key specifications
Brand Square D
Part Number FAL26100
Series FAL
Amperage 100A
Poles 2
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 1
AIC Rating 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Frame Type FAL
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 Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment
Accessories Lugs (AL100FA)
Standards CSA C22.2 No. 5, NEMA AB 1, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Visual Trip Indicator

Product FAQs

4 answers
What is the direct replacement for the legacy FAL26100 circuit breaker?

While the FAL26100 is still widely used to maintain existing F-frame setups, Schneider Electric officially replaces the legacy F-frame with the PowerPact H-frame series, such as the HDL26100, for new installations.

Can the FAL26100 be reverse fed in backfeed applications?

Yes. Standard Square D thermal magnetic F-frame breakers like the FAL26100 do not have Line and Load markings, which allows them to be safely reverse fed.

Is the FAL26100 compatible with I-Line panelboards?

No. The FAL26100 is a unit mount, feed-thru circuit breaker designed for individual enclosures or standard panelboards. It lacks the plug-on jaw connections required for Square D I-Line switchboards.

Are the trip settings adjustable on the FAL26100?

No. This breaker features a fixed thermal magnetic trip unit. Both the long-time overload and instantaneous short-circuit trip functions are factory set and cannot be adjusted in the field.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 39 reviews
Reviews Summary
Customers say this circuit breaker arrives in excellent condition and works as expected. The product performs flawlessly and functions reliably. Many reviews highlight fast shipping, competitive pricing, and quick delivery times. Users appreciate the availability of refurbished and obsolete models. The parts arrive well-packed and in like-new condition. Common feedback addresses excellent communication and straightforward ordering. Overall, customers report satisfaction with product quality, value, and prompt service fulfillment.
Rating
Ratings
39 reviews
  • PC
    Pierre C.
    Verified Buyer
    Reviewing
    Square D FAL3603015M - 30A 3 Pole Motor Circuit Protector
    I recommend this product
    Rated 5 out of 5 stars
    9/15/26
    Great service!!!

    Bought this to replace the faulty one. Shipped overnight and arrived at noon as promised. Works as new. Very happy with this. Awesome help from the staff. Definitely my go to place now.

    Thank you.

  • MB
    Michael B.
    Verified Buyer
    Reviewing
    Square D FAL32030 - 30A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/13/26
    Great product

    This item worked as expected and is good quality. SuperBreakers did a great job with communication and delivery.

  • ZB
    Zachary B.
    Verified Buyer
    Reviewing
    Square D FAL36040 - 40A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/23/26
    Perfect

    Exactly what we needed and worked flawlessly. Thanks

  • JR
    John R.
    Verified Buyer
    Reviewing
    Square D FAL36100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/29/26
    Circuit Breaker

    The breaker was in "like new" condition and well packed for shipping. Excellent value overall!

  • RF
    Ron F.
    Verified Buyer
    Reviewing
    Square D FAL340801021 - 80A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    5/13/26
    Square D FAL340801021 - 80A 3 Pole Molded Case Circuit Breaker

    As usual SB has the best price and delivery was spot on!