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The Square D QOB120VH1021 is a 1-pole thermal magnetic circuit breaker that provides overcurrent protection and switching on AC and DC systems. This 20A circuit breaker features a trip-free toggle mechanism, quick make/break action, and VisiTrip indication. It has a 22kA breaking capacity and bolt-on mounting and includes an AC shunt trip.
The Square D QOB120VH1021 is UL Listed and CSA Certified, suitable for HACR rated applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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