Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Square D BDA24100Y1 Molded Case Circuit Breaker
- 100A
- 2 Pole
- I-Line
Square D
BDA24100Y1
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA24100Y1
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D BDA24100Y1 - 100A 2 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
90A 2 Pole Molded Case Circuit Breaker
90A 2 Pole Molded Case Circuit Breaker
90A 2 Pole Molded Case Circuit Breaker
Description
Integrating thermal-magnetic protection into a compact B-frame footprint, this 100A molded case circuit breaker serves commercial and industrial distribution systems. The unit features fixed long-time and instantaneous (LI) trip functions for reliable overcurrent defense. Designed specifically for Square D I-Line panelboards and switchboards, it utilizes a factory-configured AB phase connection.Specifications
| Brand | Square D |
|---|---|
| Series | BDA |
| Amperage | 100A |
| 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, 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 |
|---|---|
| Accessories | Factory-configured for AB-Phase connection |
| Standards | CSA C22.2 No 5, EN/IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, 80% Rated |
Product FAQs
7 answersWhat is the direct replacement for the legacy FA24100AB circuit breaker?
The Square D BDA24100Y1 is the modern PowerPacT B-Frame exact replacement for the discontinued F-Frame FA24100AB. It fits the same I-Line panelboards and maintains the AB phase connection.
What does the Y1 suffix indicate in the BDA24100Y1 catalog number?
In the Square D PowerPacT B-Frame series, the Y1 suffix designates that the breaker is factory-configured for an AB phase connection on the I-Line bus.
Which panelboards accept the BDA24100Y1 circuit breaker?
This breaker is designed exclusively for use in Square D I-Line power distribution panelboards and switchboards. It utilizes a plug-on bus connection for fast installation.
Does the BDA24100Y1 require blank fillers when replacing a legacy F-Frame breaker?
No, the PowerPacT B-Frame maintains the same 1.5-inch per pole width as the legacy F-Frame breakers. This allows for direct substitution in I-Line panelboards without needing blank fillers.
What are the accepted wire sizes for the lugs on this 100A breaker?
The factory-installed lugs on the BDA24100Y1 accept either aluminum or copper conductors ranging from 14 AWG to 2/0 AWG.
Can the BDA24100Y1 be used in DC electrical systems?
Yes, this thermal-magnetic breaker is dual-rated for AC and DC applications. It provides a 10kAIC interrupting rating at 250VDC.
Are the trip settings adjustable on this PowerPacT B-Frame breaker?
No, the BDA24100Y1 features fixed thermal and fixed magnetic trip settings. It provides standard long-time and instantaneous (LI) overcurrent protection without field adjustability.
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.