Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve MPN:QOB220EPD
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Free Shipping
In Stock
Free Shipping
In Stock
SKU
510-G0518113
Miniature Circuit Breaker, QO Series, 20A, 2 Pole, 120/240V AC, 10kA at 120/240V AC, B Curve
Protect your electrical system with the reliable Square D QO Series Miniature Circuit Breaker, rated for 20A and 120/240V AC. This 2-pole circuit breaker provides ground fault equipment protection and is compatible with QO load centers and NQ panelboards. Its compact design and bolt-on mounting style make it easy to install and maintain. With a maximum air rating of 10kA at 120/240V AC, this breaker is ideal for use in residential and commercial applications, including homes, offices, and industrial settings. Its robust design ensures safe and reliable operation, giving you peace of mind for your electrical system.
Top product features:
- Ground Fault Equipment Protection
- Protects against electrical shock by detecting and interrupting ground faults
- Provides 10kA of short-circuit interrupting capacity at 120/240V AC
Top product applications:
- Residential electrical panel upgrades
- Commercial electrical panel replacements
- Industrial electrical panel installations
Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 120/240V AC, Circuit Breaker Type Ground Fault Equipment Protection, Number of Poles 2, DC Voltage Rating Not Rated, Circuit Breaker Actuator Paddle, Circuit Breaker Mounting Style Bolt On, Compatible Panelboard/Load Center Series NQ, QO, Phase Single, Series QOB, 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 4.12 in, Width 1.5 in
Additional Information
- Country of Origin: MX
- 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: 5.40
- Package Width: 2.30
- Package Height: 3.70
- Package Weight: 0.95
Product info last updated on February 11, 2026 10:31am UTC
Category: Circuit Protection