Mounting into Square D I-Line panelboards, the QDA32225 is a 3-pole, 225A molded case circuit breaker from the PowerPacT Q-Frame family. It provides long-time and instantaneous (LI) thermal-magnetic trip functions to defend electrical systems against overloads and short circuits. This breaker features a plug-on I-Line mounting style and load-side lugs for secure connectivity. It serves as a direct replacement for legacy Q23225 breakers. Rated at 25kAIC at 240VAC, it is fully HACR rated.
Which panelboards are compatible with the Square D QDA32225?
This breaker is exclusively designed for Square D I-Line panelboards and switchboards. It features integral mounting jaws that plug directly onto the panel bus stack.
Can I install this I-Line breaker in a Square D NQ or NF panelboard?
No, the QDA32225 utilizes I-Line plug-on jaws and is not physically compatible with the bus structure of NQ or NF panelboards.
What wire sizes do the load lugs on the QDA32225 accept?
The factory-installed mechanical lugs accept aluminum or copper conductors ranging from 4 AWG to 300 kcmil.
Can the QDA32225 be used in 480V or 600V distribution systems?
No. This PowerPacT Q-Frame breaker is strictly rated for a maximum system voltage of 240VAC. Applying it to 480V or 600V systems violates its UL listing and poses a severe safety hazard.
What does the LI designation mean for this breaker's trip unit?
The LI designation indicates that the thermal-magnetic trip unit provides fixed Long-Time (overload) and fixed Instantaneous (short-circuit) protection. Neither trip threshold is field-adjustable.
What is the difference between the QDA, QBA, QGA, and QJA frame prefixes?
These prefixes denote the short-circuit interrupting capacity (AIC) of the Square D PowerPacT Q-Frame breakers at 240VAC. The QDA provides 25kAIC, while the QBA provides 10kA, QGA provides 65kA, and QJA provides 100kA.
Does the QDA32225 provide ground-fault or arc-fault protection?
No, this is a standard thermal-magnetic circuit breaker designed exclusively for overcurrent and short-circuit protection. It does not include GFCI or AFCI functionality.
Does this Q-Frame breaker accept interchangeable rating plugs?
No, the QDA32225 features a fixed 225-amp thermal-magnetic trip unit. It does not support interchangeable rating plugs or field-installable trip block upgrades.
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Review summary
Customers rate this product 5.0 out of 5 based on 6 reviews.