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The Square D QHB330 Miniature Circuit Breaker is designed for overcurrent protection in AC and DC systems. It is a thermal magnetic circuit breaker with three poles, rated at thirty amperes and compatible with 120/240 volts. The unit features a trip-free toggle mechanism, allowing for rapid make and break actions while ensuring positive handle indication. Additionally, it includes VisiTrip technology for clear visual indication when the circuit breaker trips.
Ideal for usage in power distribution, this circuit breaker has factory-installed accessory options such as shunt trips and auxiliary switches.
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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