Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Square D BDA24040Y2 Molded Case Circuit Breaker
- 40A
- 2 Pole
- I-Line
Square D
BDA24040Y2
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA24040Y2
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D BDA24040Y2 - 40A 2 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D BDA24040Y2 - 40A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | BDA24040Y2 |
| Series | BDA |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC, 18kA @ 480Y/277VAC, 18kA @ 480VAC, 14kA @ 600Y/347VAC, 10kA @ 250VDC |
| Frame Type | BDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and 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, Motor Operator |
|---|---|
| Accessories | Factory-configured for AC-Phase connection |
| Standards | CSA C22.2 No. 5, EN/IEC 60947-2, GB 14048.2, NEMA AB 1, NMX J-266, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated |
Quantity
Square D BDA24040Y2 - 40A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | BDA |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC, 18kA @ 480Y/277VAC, 18kA @ 480VAC, 14kA @ 600Y/347VAC, 10kA @ 250VDC |
| Frame Type | BDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and 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, Motor Operator |
|---|---|
| Accessories | Factory-configured for AC-Phase connection |
| Standards | CSA C22.2 No. 5, EN/IEC 60947-2, GB 14048.2, NEMA AB 1, NMX J-266, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated |
Similar Items
40A 2 Pole Molded Case Circuit Breaker
40A 2 Pole Molded Case Circuit Breaker
40A 2 Pole Molded Case Circuit Breaker
Description
Built for commercial and industrial power distribution, the Square D BDA24040Y2 is a 2-pole, 40A molded case circuit breaker from the PowerPacT B-Frame family. It provides reliable thermal-magnetic protection with long-time and instantaneous (LI) trip functions. This I-Line breaker installs into Square D I-Line panelboards and switchboards. It serves as a direct replacement for the legacy FA24040AC breaker. Rated at 18 kAIC at 480Y/277V, it features a factory-configured AC phase connection.Specifications
| Brand | Square D |
|---|---|
| Part Number | BDA24040Y2 |
| Series | BDA |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC, 18kA @ 480Y/277VAC, 18kA @ 480VAC, 14kA @ 600Y/347VAC, 10kA @ 250VDC |
| Frame Type | BDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and 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, Motor Operator |
|---|---|
| Accessories | Factory-configured for AC-Phase connection |
| Standards | CSA C22.2 No. 5, EN/IEC 60947-2, GB 14048.2, NEMA AB 1, NMX J-266, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated |
Product FAQs
7 answersWhat legacy circuit breaker does the BDA24040Y2 replace?
The BDA24040Y2 serves as a direct replacement for the legacy Square D FA24040AC circuit breaker. It offers an upgraded PowerPacT B-Frame footprint while maintaining I-Line system compatibility.
What does the Y2 suffix indicate on this PowerPacT breaker?
The Y2 suffix indicates that the breaker is factory-configured with an AC phase connection for proper installation in I-Line panelboards.
What are the instantaneous magnetic trip settings for this 40A breaker?
The fixed magnetic trip unit has a hold current setting of 480A and a trip current setting of 720A.
Is the BDA24040Y2 suitable for HVAC applications?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
Does this circuit breaker include a visual trip indicator?
Yes, it features a Visi-Trip indicator that provides clear visual confirmation when the breaker has tripped, simplifying panel maintenance and troubleshooting.
Is this breaker rated for 100 percent continuous duty?
No, the BDA24040Y2 carries a standard 80 percent continuous current rating.
What panelboards are compatible with the BDA24040Y2?
This I-Line style plug-in breaker is designed for use in compatible Square D I-Line panelboards and switchboards.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 9 reviews.
Search
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.