Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC MPN:QO120
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Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G1088534
Miniature Circuit Breaker, QO Series, 20A, 1 Pole, 120/240V AC, 10kA at 120/240V AC
Protect your electrical system with the Square D QO Series 20A Miniature Circuit Breaker. Designed for use with QO Load Centers and NQ Panelboards, this compact circuit breaker provides reliable overcurrent protection and is ideal for residential and commercial applications. With its 10kA maximum air rating, it can handle high fault currents, ensuring safe and efficient operation. Its plug-in mounting style and paddle actuator make installation and maintenance easy. This circuit breaker is perfect for new construction or replacement projects, providing peace of mind for homeowners and professionals alike.
Top product features:
- Breaks overcurrent in a circuit at 20A
- Protects against electrical shock with a 1 pole design
- Ratings include 10kA at 120/240V AC for high fault current protection
Top product applications:
- Residential electrical panel upgrades
- Commercial electrical panel installations
- Industrial electrical panel replacements
Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating 48V DC, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center Series QO, Phase Single, Series QO, Max. AIR Rating 10kA at 120/240V AC, For Use With QO Load Centers and NQ Panelboards, Terminal Connection Pressure plate, Frame Size 100A/QO, Length 3 in, Width 0.75 in, Depth 2.91 in
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 3.10
- Package Width: 3.30
- Package Height: 0.80
- Package Weight: 0.30
Product info last updated on January 31, 2026 8:59am UTC
Category: Circuit Protection