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Square D BDA24090Y1 Molded Case Circuit Breaker
- 90A
- 2 Pole
- I-Line
Square D
BDA24090Y1
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA24090Y1
Quantity
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Square D BDA24090Y1 - 90A 2 Pole Molded Case Circuit Breaker
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Description
Belonging to Square D's PowerPacT B-Frame family, the BDA24090Y1 delivers reliable thermal-magnetic (LI) protection for commercial applications. Configured for an AB phase connection, it mounts into Square D I-Line panelboards and switchboards. It serves as a modern replacement for legacy FA24090 breakers. Rated 18kAIC at 480VAC, this 90A MCCB ensures robust fault interruption. It features HACR certification and a push-to-trip mechanism for easy maintenance testing.Specifications
| Brand | Square D |
|---|---|
| Part Number | BDA24090Y1 |
| Series | BDA |
| Amperage | 90A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC, 18kA @ 480Y/277VAC, 18kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | BDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| Wire Gauge | 14 AWG - 2/0 AWG (Al/Cu) |
| Max Wire | 2/0 AWG |
| Min Wire | 14 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, Padlock Attachment, Rotary Handle |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, RoHS, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
6 answersWhat does the Y1 suffix indicate on the BDA24090Y1 breaker?
The Y1 suffix specifies that this 2-pole I-Line breaker is factory-configured for an AB phase connection within the panelboard bus.
Which legacy Square D breakers does the BDA24090Y1 replace?
This PowerPacT B-frame breaker is the direct modern replacement for obsolete 90A, 2-pole FA24090 and FA24090AB circuit breakers used in I-Line panelboards.
Can the BDA24090Y1 be installed in standard QO or Homeline load centers?
No, this breaker features an I-Line plug-in connection. It is strictly designed for Square D I-Line panelboards and switchboards, and will not fit in residential load centers.
Does the BDA24090Y1 support DC voltage applications?
Yes, in addition to its AC ratings, this thermal-magnetic breaker is rated for 250VDC systems, providing a 10kAIC interrupting capacity for DC circuits.
Are the lugs on the BDA24090Y1 rated for both aluminum and copper conductors?
Yes, the factory-installed lugs accept either aluminum or copper wire ranging from 14 AWG to 2/0 AWG.
Does the BDA24090Y1 feature an adjustable trip unit?
No, this breaker is equipped with a fixed thermal-magnetic trip unit (LI), meaning both the long-time and instantaneous trip settings are factory-set and non-adjustable.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 9 reviews.
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Rating
9 reviews
- KFKevin F.Verified BuyerReviewingSquare D BDA36100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/2/26Good price, fast delivery
My local supplier was backordered one this item for a few months, Superbreakers beat the price and delivered it quickly.
- AGAlan G.Verified BuyerReviewingSquare D BDA36020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/10/26Excellent Value
Excellent Value and fast shipping. SuperBreakers delivered!!
- MMMike M.Verified BuyerReviewingSquare D BDA36050 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/25/26Review
Super Breakers had the breakers I needed in stock at a fair price and shipped & delivered in an expedited fashion. They are my go-to guys for hard to find breakers.
Mike @ Frey Electric
- SMSergio M.Verified BuyerReviewingSquare D BDA36040 - 40A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/19/26Installed & working
Ordered this from SuperBreakers when local vendors were quoting me 25%+.
So I got a refurbished version of this breaker.
It is installed and working.
Also, service was great.
Thank you SuperBreakers!
- GOGeorge O.ReviewingSquare D BDA36080 - 80A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars8/18/22Just received it. Packaging was
Just received it. Packaging was good. Product seems to be exactly as described. Installing soon.