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Square D Q221225AC Molded Case Circuit Breaker
- 225A
- 2 Pole
- I-Line
Square D
Q221225AC
Molded Case Circuit Breaker
Brand
Square D
SKU
Q221225AC
Quantity
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Square D Q221225AC - 225A 2 Pole Molded Case Circuit Breaker
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Description
Delivering 225A of thermal-magnetic protection, the Square D Q221225AC is a 2-pole molded case circuit breaker for commercial applications. This device installs into Square D I-Line panelboards and is configured with an AC phase connection. For equipment updates, this legacy breaker is replaced by the PowerPact QBA222252. With a 10kAIC interrupt capacity at 120/240VAC, it offers fixed long-time and instantaneous trip functions. The HACR-rated breaker features a Visi-Trip visual indicator.Specifications
| Brand | Square D |
|---|---|
| Part Number | Q221225AC |
| Series | Q2 |
| Amperage | 225A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | I-Line Jaws |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, Phase Connection AC |
Product FAQs
7 answersWhat type of panelboards is the Q221225AC circuit breaker compatible with?
This breaker is designed for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-on connection for the line side and mechanical lugs on the load side.
Is the Q221225AC still manufactured, or is there a direct replacement?
The Q221225AC is a legacy Q-frame breaker. For equipment updates or new installations, it is directly replaced by the Square D PowerPact QBA222252, which shares the same 225A rating, 2-pole configuration, and A-C phase connection.
What does the AC suffix in the Q221225AC catalog number indicate?
The AC suffix indicates the breaker's phase connection. It is factory-configured to connect to the A and C phases on the I-Line bus.
What wire sizes are accepted by the load lugs on the Q221225AC?
The load-side lugs accept aluminum or copper wire ranging from 4 AWG to 300 kcmil. Ensure proper torque specifications are followed during installation.
What type of trip mechanism does the Q221225AC use?
It utilizes a thermal-magnetic trip unit with fixed long-time and instantaneous trip functions. This provides reliable protection against both sustained overloads and sudden short circuits.
Is the Q221225AC suitable for HVAC applications?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.
Does this breaker feature a visual trip indicator?
Yes, the Q221225AC includes a Visi-Trip indicator. This provides a clear visual cue when the breaker has tripped, making it easier to identify faults in a crowded panelboard.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 7 reviews.
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Rating
7 reviews
- MEMichael E.Verified BuyerReviewingSquare D Q221150AC - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/28/26breaker purchase
delivered on time and quality was as advertised
- MWmakalita w.Verified BuyerReviewingSquare D Q232150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/18/26Prompt service.
Well packaged
- AWAllen W.ReviewingSquare D Q232175 - 175A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/17/22Great condition
The breakers were in great condition. The serve was also great.
- JCJim C.ReviewingSquare D Q232200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/13/22Great Service
My order was received fast. The packaging was perfect. The quality of the product was what was expected.
- RDRosemarie D.ReviewingSquare D Q232150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/1/20home
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