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Square D QO120GFI 1 Pole Circuit Breaker Ground Fault

Brand Square D
SKU QO120GFI
5.0
Rated 5.0 out of 5 stars
240 Reviews
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99

Square D QO120GFI 1 Pole Circuit Breaker Ground Fault

Brand Square D
SKU QO120GFI
5.0
Rated 5.0 out of 5 stars
240 Reviews
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Earn 59 SuperPoints

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Square D QO120GFI 1 Pole Circuit Breaker Ground Fault

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$59.58 In stock

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DescriptionSpecificationsSuperClubWarranties
Description

Square D QO120GFI 1 Pole Ground Fault Circuit Breaker

The Square D QO120GFI is a 1 Pole thermal magnetic molded case ground fault circuit breaker with a current rating of 20 Amps and a voltage rating of 120VAC, 48VDC. It has an interrupting rating of 10kAIC at 120V. The QO120GFI has a plug-in connection type and includes long time and instantaneous trip functions.

Specifications

Brand Square D
Series QO
Amperage 20
Voltage 120VAC, 48VDC
Poles 1
Phase 1
Mounting Type Plug-On
Approval UL, CSA
Interrupting Rating 10kAIC at 120V
Frame Type QO
Connection Type Plug-In
Protection Thermal Magnetic
Functions LI - Long-Time and Instantaneous
Length (in) 2.9
Width (in) 0.7
Height (in) 4.1
Wire Gauge AWG 14 to AWG 8, AWG 12 to AWG 8, Copper/Aluminum
For Use With QO Load Centers and NQ Panelboards
Standards RoHS, REACh
Temperature Rating 40 °C
Circuit Breaker Type GFCI
Breaker Feature Mercury Free
Actuator Type Paddle
Max Wire Size 8 AWG
Min Wire Size 12 AWG, 14 AWG, Al/Cu
Mpn QO120GFI
Upc 785901255079
Gtin 785901255079

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Warranties

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When shopping with SuperBreakers, you’ll have peace of mind knowing that every single item you purchase includes a 60 day warranty, free of charge. Why such confidence? Because only the highest quality electrical parts have a place on our shelves, and we stand by every single one we sell.

If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.

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Shipping

Free Shipping Policy

Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please indicate at checkout if USPS or UPS is a required shipment method. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.

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Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping

All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.

5.0
Rated 5.0 out of 5 stars
Based on 240 reviews
Total 5 star reviews: 231 Total 4 star reviews: 9 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Reviews Summary
Customers say this electrical supply company delivers products quickly and reliably. Many reviews mention the availability of hard-to-find breakers and components. The ordering process is straightforward, and items arrive well-packaged. Reviews frequently note competitive pricing and consistent product availability. Most users report their items fit and function as expected.
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240 reviews
  • JM
    John M.
    Verified Buyer
    Reviewing
    Square D QO230EPD 2 Pole Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/21/25
    Excellent product

    Very fast shipping.

    Was this helpful?
  • MM
    Mike M.
    Verified Buyer
    Reviewing
    Square D QO120 1 Pole Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/18/25
    Square D breakers

    Breakers are are in great shape 👍

    Was this helpful?
  • PP
    Parts P.
    Verified Buyer
    Reviewing
    Square D QO350 3 Pole Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/18/25
    Square D QO350

    W use a lot of these breakers and they seem to work great for us.

    Was this helpful?
  • SR
    Steve R.
    Verified Buyer
    Reviewing
    Square D QO2100 2 Pole Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/15/25
    Fast Response

    Just tried this company out and was very pleased at how fast their order to delivery was. IMy order arrived in perfect condition 2 days later. Exactly what I ordered. I definitely recommend them. Their pricing is reasonable also. No complaints.

    Was this helpful?
  • PP
    Parts P.
    Verified Buyer
    Reviewing
    Square D QO320 3 Pole Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/13/25
    Square D QO320 3 Pole Circuit Breaker

    We used these breakers a lot and have good success with these breakers.

    Was this helpful?

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