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Square D
Square D QO 20-Amp Single-Pole Circuit Breaker
4.7 (3 reviews)
SKU: SQD-QO120$18.49$24.99
Plug-on QO series 1-pole 20 A thermal-magnetic breaker for QO load centers.
In stock (320 available)
1
Fast shipping
UL-listed
Easy returns
The Square D QO120 is a 1-pole, 20-amp plug-on circuit breaker for use in QO-compatible load centers and panels. Visi-Trip indicator clearly shows tripped status. Thermal-magnetic protection guards against overloads and short circuits.
Customer Reviews (3)
Solid, as expected
4/19/2026Product is exactly what we ordered. Packaging could be slightly better but the gear is fine.
— Demo Customer
Great pro price
4/19/2026Competitive wholesale pricing vs the big box stores. My crew is happy.
— Demo Customer
Rock solid quality
4/19/2026Showed up fast and performs exactly as spec. Will be ordering again for our next commercial job.
— Demo Customer
