QCB20 - 20 Amp Circuit Breaker
- 20 Amp
- 10k @ 120/240VAC
- 2 Pole
Purchase Options: New Aftermarket Replacement
QCB20 - 20 Amp Circuit Breaker Description
QCB20 - 20 Amp Circuit Breaker
The QCB20 20 Amp circuit breaker is a dependable option for protecting branch circuits in residential, commercial, and light-industrial electrical panels. It’s designed to help stop damage caused by overloads and short circuits while maintaining steady, predictable performance. With a compact 2-pole design, this breaker fits easily into tight panel layouts and works well in both new installations and replacement situations. For electricians, maintenance teams, and property owners, it offers straightforward protection without unnecessary complexity.
Key Features and Benefits
- 10 kA Interrupting Capacity – Rated to interrupt fault currents up to 10,000 amps at 120/240 VAC, helping limit damage during electrical faults.
- 2-Pole Configuration – Provides protection across two phases while conserving space inside the panel.
- Durable Construction – Built with heat-resistant housing and reliable internal components intended for everyday electrical use.
- 20 Amp Rating – Commonly used for lighting circuits, receptacles, small equipment, sub-panel feeds, and certain motor loads.
Technical Specifications
- Poles: 2
- Amperage Rating: 20 A
- Interrupting Rating: 10 kA AIC @ 120/240 VAC
- Width: 1.50 in
- Length: 4.81 in
- Depth: 2.50 in
- Weight: 2.25 lbs
Material Compliance and Certifications
- This breaker is manufactured using materials that comply with UL requirements and is designed to align with National Electrical Code (NEC) standards.
- Internal components are tested for consistent operation, and the flame-resistant casing helps manage heat under normal operating conditions.
- These design choices support long-term reliability in typical electrical environments.
Where It Works Best
- Residential Panels – Suitable for general lighting, appliance circuits, and 240V feeds to sub-panels.
- Commercial Spaces – Works well in offices, retail locations, and tenant build-outs that require stable circuit protection.
- Light-Industrial Settings – Can be used for HVAC circuits, control equipment, and small motor applications where a 20 amp, 2-pole breaker is required.
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.
Specifications
- Width:1.5
- Height:4.81
- Depth:2.5
- Poles:2
- Amperes:20
- A.I.C. Rating & Volts:10k @ 120/240VAC
- Type:QCB
- Approx Dimensions:1.50"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).