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.

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

Specifications Table:

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.

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

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.

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

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

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.

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

Warranty

Installation