Square D QO 20A Single-Pole Breaker

Thermal-magnetic QO series breaker provides overload and short-circuit protection for residential and light commercial panels. Designed for plug-on installation in Square D QO load centers and CSEDs, it features a Visi-Trip indicator for quick fault identification.

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Key Features:

• Reliable Protection: Thermal-magnetic trip guards circuits against overloads and short-circuits
• Easy Compatibility: Plug-on design fits Square D QO load centers, CSED devices, and NQOD panelboards
• Quick Fault ID: Built-in Visi-Trip indicator shows the tripped breaker at a glance
• High Interrupt Rating: 10 kA AIR at 120/240 VAC for dependable performance
• Compact Form Factor: Single-pole, 1-space breaker ideal for tight panels

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Series	QO
Amperage	20 A
Poles	1 (Single-Pole)
Voltage	120/240 VAC
AIC Rating	10,000 AIR (10 kA)
Trip Unit	Thermal Magnetic
Interruption Type	Standard Trip
Breaker Type	Standard
Connection Type	Non-Neutral
Mounting Type	Plug-On
Spaces Required	1
Pack Size	1
Certifications	UL Listed; ANSI certified
Product Height	3 in
Product Depth	2.9 in
Product Width	0.75 in
Product Weight	0.28 lb
Compatible Panels	Square D QO load centers, CSED devices, and NQOD panelboards
Model Number	QO120CP

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Frequently Asked Questions (FAQ):

Q: What panels is this breaker compatible with?
A: It is for Square D QO load centers, CSED devices, and NQOD panelboards only; it will not fit Homeline or other brands.

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Q: What is the interrupt rating?
A: 10,000 AIR at 120/240 VAC.

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Q: How do I know if it has tripped?
A: The Visi-Trip indicator shows a red window and the handle rests mid-position to quickly identify the tripped breaker.

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Q: Is this a standard or GFCI/AFCI breaker?
A: This is a standard thermal-magnetic breaker; it is not GFCI or AFCI.

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Q: What are the dimensions?
A: Approximately 3 in H x 2.9 in D x 0.75 in W; occupies one panel space.

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Streamlined Power with Purpose

This compact breaker is the quiet hero of a refined electrical plan, delivering safety with a crisp, modern silhouette. I love the signature Visi-Trip window—a tiny design moment that makes maintenance intuitive. Pair it with a meticulously labeled QO load center to keep the utility zone as polished as the living spaces. It’s the kind of discreet, high-performance detail that elevates daily life with effortless luxury.

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Safeguard your circuits with QO reliability—add this 20A breaker to your Square D panel today.

Warranty

Installation