Miniature Circuit Breaker, QO Series, 20A, 3 Pole, 208/120V AC, 10kA at 208/120V AC, A Curve MPN:QO320GFI
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In Stock
Free Shipping
In Stock
SKU
510-G3538123
Miniature Circuit Breaker, QO Series, 20A, 3 Pole, 208/120V AC, 10kA at 208/120V AC, A Curve
Protect your electrical system with the Square D QO Series Miniature Circuit Breaker, designed for reliable and efficient operation in a variety of applications. Suitable for use in QO load centers and NQ panelboards, this 20A, 3-pole circuit breaker provides 10kA of short-circuit protection at 208/120V AC. Its ground fault circuit interrupter (Class A - 5mA) feature ensures safe and secure operation. Ideal for commercial and industrial settings, this circuit breaker is perfect for use in offices, warehouses, and other high-traffic areas where electrical safety is paramount. Its compact design and plug-in mounting style make installation a breeze.
Top product features:
- Ground Fault Circuit Interrupter (GFCI) protection with a Class A rating of 5mA
- Trip curve A provides fast tripping times for short circuits
- 10kA short circuit interrupting capacity at 208/120V AC
Top product applications:
- Ground Fault Circuit Interrupter (Class A 5mA) for residential and commercial applications
- Protection of 3 pole 20A circuits in QO load centers and NQ panelboards
- Installation in panelboards and load centers for maximum air rating of 10kA at 120V AC
Miniature Circuit Breaker, Amps 20 A, AC Voltage Rating 120V AC, Circuit Breaker Type Ground Fault Circuit Interrupter (Class A - 5mA), Number of Poles 3, DC Voltage Rating Not Rated, Circuit Breaker Actuator Toggle, Circuit Breaker Mounting Style Plug In, Compatible Panelboard/Load Center Series NQ, QO, Phase Three, Series QO, Max. AIR Rating 10kA at 120V AC, For Use With QO Load Centers and NQ Panelboards, Terminal Connection Pressure Plate, Frame Size 100A/QO, Length 4.12 in, Width 2.25 in
Additional Information
- Country of Origin: MX
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 3 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 6.10
- Package Width: 3.10
- Package Height: 2.20
- Package Weight: 1.35
Product info last updated on February 22, 2026 4:25pm UTC
Category: Circuit Protection