Engineered for commercial power distribution, the Square D QDA32090 is a 90A molded case circuit breaker featuring a thermal-magnetic trip unit with fixed LI protection. This Q-Frame breaker mounts into Square D I-Line panelboards and switchboards. It serves as a seamless drop-in replacement for legacy Q32090 models, utilizing a convenient plug-on I-Line connection. Rated for 25 kAIC at 240VAC, it includes factory-configured ABC phase connections and a Visi-Trip indicator.
What panelboards are compatible with the QDA32090?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection on the line side and mechanical lugs on the load side.
How much mounting space does this breaker require in an I-Line panel?
As a 3-pole PowerPacT Q-frame circuit breaker, the QDA32090 requires 4.5 inches of I-Line mounting space.
What is the default phase connection for this breaker?
Because there is no phase option suffix at the end of the QDA32090 catalog number, it comes factory-configured for a standard ABC phase connection on the I-Line bus.
What does the 'D' in the QDA32090 catalog number indicate?
In the PowerPacT Q-frame series, the 'D' designates the interrupting rating. It indicates a 25kAIC rating at 240VAC. Other options in the series include B (10kA), G (65kA), and J (100kA).
Can the QDA32090 replace older Square D breakers?
Yes, the PowerPacT Q-frame is a direct drop-in replacement for legacy Square D Q2 series circuit breakers, such as the Q32090.
Can I use the QDA32090 on a 480V system?
No, this breaker is rated for a maximum of 240VAC. It is suitable for 208Y/120V and 240V systems but cannot be safely applied on 480V or 600V networks.
Does this breaker include a push-to-trip feature?
Yes, all PowerPacT Q-frame circuit breakers include an integral push-to-trip button on the cover, allowing you to manually trip the breaker to verify the mechanical operation of the mechanism.
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Review summary
Customers rate this product 5.0 out of 5 based on 6 reviews.