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The Square D QOB345 is a type QO mini circuit breaker designed for overcurrent protection and switching on AC and DC systems. This 3-pole breaker is rated at 45A and 120/240VAC with a 10kA breaking capacity and bolt-on mounting. It features a trip-free toggle mechanism with quick make, quick break action and VisiTrip trip indication.
Mini circuit breaker with 45A, 120/240VAC, 3-Pole, 10kA breaking capacity and bolt-on mounting.
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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