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The Square D QO390 Miniature Circuit Breaker has an MPN of QO390. This unit offers reliable overcurrent protection for both AC and DC systems. It features a trip free toggle mechanism and a quick break action to handle circuit interruptions. This breaker includes a VisiTrip indication for easy visibility when the circuit has tripped, ensuring safety and convenience.
This circuit breaker is suitable for residential and commercial electrical systems. It provides a breaking capacity of 10 kilovolt amps, ensuring it meets various operational demands.
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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