


Square D QO120CAFI : 20A QO 1 Pole AFCI Circuit Breaker
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Square D QO120CAFI : 20A QO 1 Pole AFCI Circuit BreakerDescription: Square D Circuit Breaker with Combination Arc Fault Circuit Interrupter, 1 Pole, Type QO, 20A Cat Number: QO120CAFI Images are for illustration purposes only and may not be an exact representation of the product.
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Your Square D QO120CAFI : 20A QO 1 Pole AFCI Circuit Breaker orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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4.1 ★★★★★
Based on 327 reviews
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Product Reviews
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 29, 2025
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Se ve excelente
Se ve de buena calidad, aún no lo instaló pero si se aprecia muy bueno.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
★★★★★ 5
Ez install
I really like how EZ it was to install, the display is handy tells you what your voltage is currently. Nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026
★★★★★ 5
Prompt arrival
It works as it should. I have a 500 amp fuse inside. It came with a 100 amp fuse already installed. I have heard too many horror stories about being a "team no fuse". I'm glad mine came the following day after ordering it. The voltmeter is nice and clear. Although I won't keep it on all the time, just to show off when I have my hood up at gatherings 😎
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Reviewed in the United States on November 22, 2024
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