QO320 - 20 Amp Circuit Breaker

- 20 Amp
- 10k @ 240VAC
- 3 Pole
Purchase Options: New
QO320 - 20 Amp Circuit Breaker Description
QO320 - 20 Amp Circuit Breaker
When you need dependable circuit protection for a compatible QO electrical panel, the QO320 is a solid choice. This 20-amp, 3-pole plug-on circuit breaker is designed to help protect wiring and connected equipment from damage caused by overloads and short circuits. Rated for 240VAC with a 10kA interrupting capacity, it is commonly used in three-phase electrical systems found in residential, commercial, and light industrial applications.
The plug-on design makes installation straightforward in compatible QO load centers and panelboards, making it a practical option for replacing a worn breaker or completing a new installation. Matching the correct amperage, pole configuration, and breaker type is essential for safe operation, and the QO320 provides the specifications needed for a wide range of branch circuit applications.
Key Features and Benefits
- 20 Amp current rating
- Three-pole configuration for three-phase circuits
- Plug-on mounting for compatible QO panels
- 10kA interrupting rating at 240VAC
- Helps protect electrical circuits from overloads and short circuits
- Compact size fits compatible load centers and panelboards
- Suitable for residential, commercial, and light industrial electrical systems
Technical Specifications
-
Part Number: QO320
-
Type: QO
-
Mounting Style: Plug-On
-
Poles: 3
-
Amperage: 20 Amps
-
Voltage Rating: 240VAC
-
Interrupting Capacity: 10kA @ 240VAC
-
Dimensions:
- Height: 3.0 in.
- Width: 2.25 in.
- Depth: 2.5 in.
Material Compliance and Certifications
- Built for use in compatible QO electrical distribution equipment.
- Designed to meet applicable industry standards for molded case circuit breakers.
- Installation should be performed in accordance with the National Electrical Code (NEC) and all applicable local electrical codes.
- Always verify compatibility with your panel before installation.
Where It Works Best
- The QO320 works well anywhere a compatible QO panel requires a 20-amp, 3-pole breaker. It's commonly used to protect three-phase branch circuits serving HVAC equipment, small motors, lighting systems, and other commercial or industrial electrical loads. It's also a practical replacement when an existing breaker with the same ratings needs to be changed.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Square D® is a registered trademark of Schneider Electric. Products sold are surplus, used, or refurbished and are NOT supplied by Schneider Electric or its affiliates.
Specifications
- Width:2.25
- Height:3.0
- Depth:2.5
- Poles:3
- Amperes:20
- A.I.C. Rating & Volts:10k @ 240VAC
- Type:QO
- Approx Dimensions:2.25"W x 3.00"L x 2.50"D
- Additional Notes:Plug-On Circuit Breaker
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE ground shipping on breaker orders over $100 and all other items with orders over $500.
Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.
If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).
