QB20 - 20 Amp Circuit Breaker Description
QB20 - 20 Amp Circuit Breaker
Keep your electrical systems safe and running smoothly with the QB20 20‑Amp circuit breaker, precision-engineered for dependable everyday performance. Ideal for residential, commercial, or light industrial panels, this breaker delivers solid protection against overloads and short circuits at 120 VAC, thanks to its 10,000 AIC interrupting capacity. Built with a sturdy QB frame and bolt-on installation, it's a go-to solution for maintenance and panel upgrades.
Key Features and Benefits
- 20 Amp, 120 VAC protection – Keeps circuits safe from overload and short-circuit damage.
- 10 000 AIC rating – Handles high-fault scenarios to help minimize downtime.
- Sturdy QB frame – Designed for long-lasting use in demanding environments.
- Bolt-on design – Simple to install securely, reducing maintenance time.
- Single-pole configuration – Compact and reliable for most standard panel setups.
Technical Specifications
- Amperage: 20 Amps
- Poles: Single-pole
- Interrupting Rating: 10 kA @ 120 VAC
- Frame Type: QB
-
Dimensions:
- Width: 0.75″
- Length: 4.81″
- Depth: 2.50″
- Weight: 1.75 lbs
- Mounting Style: Bolt-on
Material Compliance and Certifications
- Crafted from high-quality materials, this breaker meets strict industry and environmental safety standards. The QB20 complies with UL and CSA requirements for over-current protection—offering peace of mind in safe, sustainable performance.
Where It Works Best
- Ideal for upgrading or replacing existing breakers in residential, commercial, or light-industrial electrical panels. It’s a great match for HVAC systems, lighting circuits, small machinery, and general-purpose branch circuits that need reliable 20 Amp protection. The compact single-pole design makes it especially suited for retrofit projects or system expansions where space is limited.
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. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:0.75
- Height:4.81
- Depth:2.5
- Poles:1
- Amperes:20
- A.I.C. Rating & Volts:10k @ 120VAC
- Type:QB
- Approx Dimensions:0.75"W x 4.81"L x 2.50"D
- Additional Notes:Bolt-On, Circuit Breaker
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
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).