
- Brand: Square D
- Product No: QO320
Square D QO320 3-Pole 20-Amp Circuit Breaker
No se pudo cargar la disponibilidad de retiro
Retiro disponible en Sonic Distribution Center
Normalmente está listo en 24 horasPairs well with

Square D QO320 3-Pole 20-Amp Circuit Breaker
Top-Rated Store
Trusted by 20,000+ customers. Read Reviews
Fast & Reliable Shipping
Orders processed in 1–2 business days.
Hassle-Free Returns
30-day returns on eligible items. Read Terms
Excellent Support
Get expert help via chat, email or phone.
Product Details
Description
Experience top-tier overcurrent protection and seamless switching with QO and QOB series thermal magnetic circuit breakers. Designed for AC systems, these circuit breakers boast a robust construction and innovative features to safeguard your electrical circuits. Featuring a trip-free toggle mechanism, they ensure quick make and break actions with positive handle indication for added safety. Additionally, the VisiTrip trip indication offers visual feedback when the circuit breaker trips, providing enhanced circuit monitoring.
Key Features:
- Model: QO (Quick Open) / QOB (Quick Open Bolt-on)
- Poles: 3 Pole
- Current Rating: 20 A
- Voltage Rating: 120/240 V AC, 240 V AC, 120 V AC
- Mounting Type: Plug-in
- Circuit Breaker Type: Standard
- Ratings: HACR (Heating, Air Conditioning, and Refrigeration) rated
- Electrical Connection: Pressure plate
-
Interrupt Rating:
- 10 kA @ 120/240 V AC 50/60 Hz
- 10 kA @ 240 V AC 50/60 Hz
- 10 kA @ 120 V AC 50/60 Hz
- Number of Panel Spaces: 3
- Wire Size: AWG 14...AWG 8 (copper or aluminium)
- Tightening Torque: 35.40 lbf.in (4 N.m)
-
Dimensions:
- Height: 2.99 in (76 mm)
- Width: 2.24 in (57 mm)
- Depth: 2.91 in (74 mm)
- Net Weight: 0.85 lb(US) (0.386 kg)
- Certifications: UL Listed, CSA
- Ambient Rating: 104 °F (40 °C)
Ensure the utmost protection for your AC systems with QO and QOB circuit breakers. With their plug-in mounting and comprehensive range of features, these breakers offer reliability and convenience for various applications.
Customer Reviews
Big Savings Start Here
3% off your first order
Subscribe to our newsletter and enjoy 3% off.
5% off Malibu products
Use code PLATINUM at checkout.
Lowest Price Guarantee
Found a lower price? We’ll match it.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
Orders placed before 12:00 PM (PST) ship the same day or within 2 business days, with tracking provided within 72 hours. Learn more in our Shipping Policy.
-
Returns & Exchanges
Non-defective items may be returned within 30 days with a 30% restocking fee. Shipping costs are non-refundable, and return shipping is the customer’s responsibility. See our full Return Policy.
-
Top Rated Service
With a perfect 5-star rating on Google, our customers say it best—great prices, outstanding service, and a company that delivers. See why professionals choose Sonic Electric.
-
Expert Support, Anytime
Our team is ready to assist you via chat, email, or phone with product recommendations and technical guidance.
Google Reviews
Years in Business
Happy Customers
Orders Shipped

