SKU: 4098295341

Square D QO 20 Amp Single-Pole Dual Function (CAFCI and GFCI) Circuit Breaker, QO120DFC

Sale price$69.30 Regular price$77.00
Save 10%

Pay in installments of $19.25 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 16 - Sep 21

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Square D QO 20 Amp Single-Pole Dual Function (CAFCI and GFCI) Circuit Breaker, QO120DFC20A Single Pole Dual Function AFCI GFCI Breaker This Square D QO 20 Amp single pole circuit breaker combines Combination Arc Fault (CAFCI) and Ground Fault (GFCI Class A) protection in one compact device. Engineered for QO load centers, it saves space and installation time while providing reliable overload, short circuit, and fault protection with Time Saver Diagnostics. Key Features: Dual Protection: Combines CAFCI and GFCI Class A to guard against

20A Single-Pole Dual-Function AFCI/GFCI Breaker

This Square D QO 20 Amp single-pole circuit breaker combines Combination Arc Fault (CAFCI) and Ground Fault (GFCI Class A) protection in one compact device. Engineered for QO load centers, it saves space and installation time while providing reliable overload, short-circuit, and fault protection with Time Saver Diagnostics.


Key Features:

  • Dual Protection: Combines CAFCI and GFCI Class A to guard against arc and ground faults in one breaker
  • Time Saver Diagnostics: Built-in indicator simplifies troubleshooting and speeds service calls
  • Panel Compatibility: Plug-on design for Square D QO panels and CSEDs; requires 1 space
  • High Interrupting Rating: 10 kA AIR for dependable fault interruption at 120 VAC
  • Slim 3/4 in. Frame: Compact design with pigtail neutral for easier installs in tight panels

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Series QO
Breaker Type Standard, Dual Function (CAFCI + GFCI)
Interruption Type AFCI/GFCI
Maximum Amperage 20 A
Poles 1 (Single-Pole)
Mounting Type Plug-On
Connection Type Non-Neutral with pigtail neutral lead
Spaces Required 1
Voltage Rating 120 VAC, 60 Hz (120/240 V system)
AIC Rating 10,000 AIR
Trip Unit Electronic
Certifications UL Listed; ANSI compliant
Dimensions (H x D x W) 4.76 in x 2.91 in x 0.75 in
Product Weight 0.28 lb
Model / SKU QO120DFC

Frequently Asked Questions (FAQ):

Q: What panels is this breaker compatible with?
A: It is designed for Square D QO series load centers and CSEDs and occupies one space.


Q: Does it provide both AFCI and GFCI protection?
A: Yes—this dual-function breaker combines Combination Arc Fault and Class A Ground Fault protection.


Q: What is the voltage and interrupt rating?
A: Nominal 120 VAC, 60 Hz with a 10,000 AIR interrupt rating.


Q: Is there a test feature?
A: Yes, it includes a front TEST button and Time Saver Diagnostics to identify trip causes.


Q: What are the product dimensions?
A: Approx. 4.76 in H x 2.91 in D x 0.75 in W.


Safety Meets Sleek Utility

A crisp, minimal silhouette belies the robust intelligence within this breaker—delivering dual protection without crowding your panel. The signature QO profile and neat pigtail keep the install clean and orderly. Pair it with a thoughtfully laid-out electrical plan to streamline kitchens and laundry rooms where code demands more. It’s an elegant essential for a modern, safe home.


Upgrade to dual-function protection and streamline your panel with the QO120DFC today.

Warranty

Installation

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 4098295341

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 12 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
Joe H.
Pawtucket, US
★★★★★ 5
Very Expensive
Had one cylinder misfiring so replaced coil and spark plug. Runs fine now, but old plug looked shot after only 5 months so I think the coil was the problem. Really good plug so far but very expensive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
R
Verified Purchase
rkab8745
New York, US
★★★★★ 5
A reliable set of spark plugs.
They’re made in Germany, what else can you say
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
A
Verified Purchase
Amazon Customer
Phoenix, US
★★★★★ 5
Work as well as the NGK's
Bought for a 2016 Mazda 6, I had NGK's in it for 5 months and had misfires, didnt have the money to throw more NGK's at it for troubleshooting. Bought these to try and they work great so far.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
C
Verified Purchase
Christopher D. Bodirsky
Lexington, US
★★★★★ 4
Faulty plug? Otherwise great set
Definitely better than the old plugs that probably had 80k miles on them. The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine. Gonna have to get a new single tomorrow at my local shop, but a bit frustrating to get a misfire after install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
B
Verified Purchase
Britincali
Chelsea, US
★★★★★ 5
Upgrade from OEM
After seeing a quite ludicrous $403 quote to change 4 spark plugs in a Mazda3 I decided to show my son how easy it is. These were an upgrade from OEM parts. They were gapped perfectly for the car. They took 20mins to fit and work fine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026

recommand products