Model # QO120CP

Internet #100028706

Store SKU #146404

Square D QO 20 Amp Single-Pole Circuit Breaker
0047569837999

Square D

QO 20 Amp Single-Pole Circuit Breaker

  • Overload and short-circuit protection
  • Equipped with Visi-Trip indicator
  • UL listed and HACR type
$6.98 /each

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Product Overview

The QO 20 Amp Single-Pole Circuit Breaker is designed for overload and over-current protection of your electrical system through its thermal-magnetic tripping mechanism. The breaker offers a Visi-Trip indicator to let you easily identify which circuit is out in the load center.

  • QO 20 Amp one-pole circuit breaker
  • QO 20 Amp one-pole circuit breaker is designed for overload and over-current protection of your electrical system through its thermal-magnetic tripping mechanism
  • Breaker offers a visi-trip indicator to let you easily identify which circuit is out in the load center
  • Use for overload and over-current protection of your electrical system
  • Thermal-magnetic tripping mechanism
  • Compatible with QO load centers, CSED devices and NQOD panel boards
  • 10,000 AIR
  • 120/240 VAC
  • ANSI certified and UL listed
  • Made in the USA
  • Learn More About Circuit Breakers Here in our Buying Guide.
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Warranty / Certifications

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Customer Questions & Answers

Will this product work properly in a 12 volt DC APPLICATION? I have a DC battery Bank and I'd like protect a 20A dc pump

DC application
Asked by: Gtg
I would not suggest using this for a DC application, DC has VERY different electrical properties. Most AC circuit breakers rely on the zero-crossing voltage of the AC sine wave to be able to successfully break a circuit without an arc over, DC voltage does not have this property and thus has much larger arcs, this would not likely hold up to that arcing over time. You would be best off buying an appropriate DC circuit breaker or fuse to protect your pump and battery bank.
Answered by: RyanW821
Date published: 2016-11-26

Will these work with an old panel?

Asked by: rf540
If it's a QO type, Square D panel, yes it should work, my panel dates from the late 1970's and it fits just fine.
Answered by: RyanW821
Date published: 2016-11-26

Will this breaker (QO120CP) fit in a Murray Panel or an old siemens panel?

Asked by: DA
No, it will not!
Answered by: SchneiderCustomerCare
Date published: 2016-08-02

Will these work in a QO Loadcenter that utilizes the plug on neutral feature?

I am getting ready to purchase breakers for my new QO panel and wanted to make sure the "plug-on neutral" feature was supported by these breakers.
Asked by: electricguy
Yes, QO series breakers work in all QO series loadcenter. The plug-on neutral capability only refers to GFCI, AFCI and dual function breakers.
Answered by: TomB2
Date published: 2016-05-10
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Customer Reviews

QO 20 Amp Single-Pole Circuit Breaker is rated 4.8 out of 5 by 12.
Rated 5 out of 5 by from Not much to say about a circuit breaker, fits my QO sub-panel and works like it should. Not much to say about a circuit breaker, fits my QO sub-panel and works like it should.
Date published: 2016-10-25
Rated 5 out of 5 by from Good product quality ... Good product quality
Date published: 2017-02-07
Rated 4 out of 5 by from Working fine. Working fine.
Date published: 2017-02-07
Rated 5 out of 5 by from Professional Quality I made the initial decission to go QO from the start. Professional quality with firm engagement to the load bars. Has a built-in trip indicator letting you know at a glance which breaker has been tripped. Available in a variety of amperage ratings to fit all my needs. Wires securely fasten.
Date published: 2012-10-09
Rated 5 out of 5 by from great breaker I have used hundreds of these breakers without any problems ever
Date published: 2013-11-25
Rated 5 out of 5 by from Handyman Just what I needed. They had them in stock and in the right box
Date published: 2016-08-09
Rated 5 out of 5 by from Circuit breaker plugged right in & reasonably priced This circuit breaker worked perfectly for me to add a circuit in my service.
Date published: 2012-02-22
Rated 5 out of 5 by from works as good as any other breaker i have had! Solid click so you know it's engaged. Easy to install no screws just slide it in and push.
Date published: 2013-06-06
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