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The Square D QOB340 miniature circuit breaker is designed for reliable overcurrent protection in three-phase systems. This model features a current rating of 40 amps at 240 volts AC. It is a bolt-on circuit breaker, providing easy installation in panelboards, specifically the NQ series. The innovative design includes a quick-make, quick-break toggle mechanism that ensures prompt tripping during overload conditions. The VisiTrip indicator visually alerts users when the breaker has tripped, enhancing system safety.
This circuit breaker meets UL and CSA standards, ensuring high reliability and performance in various applications including lighting and appliances.
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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