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Square D offers the QO290 Miniature Circuit Breaker, which is rated for ninety amperes and is suitable for both one-phase and two-phase systems. This unit is designed for plug-in mounting and operates on one hundred twenty to two hundred forty volts. It features a trip-free toggle mechanism for quick action and handle indications.
This circuit breaker is HACR rated and ideal for residential or commercial 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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