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Square D BDA24070Y1 Molded Case Circuit Breaker
- 70A
- 2 Pole
- I-Line
Square D
BDA24070Y1
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA24070Y1
Quantity
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Square D BDA24070Y1 - 70A 2 Pole Molded Case Circuit Breaker
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Description
Belonging to Square D's PowerPacT B-frame series, the BDA24070Y1 is a 2-pole, 70A MCCB that provides thermal-magnetic protection for commercial and industrial systems. Featuring an I-Line mounting style and AB phase connection, it installs into Square D I-Line panelboards and switchboards. It serves as a direct upgrade for legacy FA24070AB breakers.Specifications
| Brand | Square D |
|---|---|
| Series | BDA |
| Amperage | 70A |
| 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, 10kA @ 600Y/347VAC, 10kA @ 250VDC |
| Frame Type | BDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Switchboards |
| Wire Gauge | 14-2/0 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 | None included |
| 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, Phase Connection AB |
Product FAQs
8 answersWhat does the Y1 suffix mean in the BDA24070Y1 catalog number?
The Y1 suffix indicates that this 2-pole I-Line breaker is configured for an AB phase connection in the panelboard.
Which legacy Square D circuit breaker does the BDA24070Y1 replace?
The BDA24070Y1 PowerPacT B-frame breaker is the direct replacement for the obsolete Square D FA24070AB F-frame circuit breaker.
Is the BDA24070Y1 rated for 100% continuous current?
No, this breaker has a standard 80% continuous current rating.
Are the trip settings on the BDA24070Y1 adjustable?
No, this breaker features a thermal-magnetic trip unit with fixed long-time and fixed instantaneous trip settings.
Can the BDA24070Y1 be used in DC applications?
Yes, it is rated for use in DC systems up to 250VDC with an interrupting capacity of 10 kA.
How does the BDA24070Y1 install into a panelboard?
It utilizes an I-Line style plug-in connection, which allows it to mount directly onto the busbar of compatible Square D I-Line panelboards and switchboards.
What size and type of wire can be used with the lugs on the BDA24070Y1?
The factory-installed lugs accept 14 AWG to 2/0 AWG wire and are dual-rated for both aluminum and copper conductors.
What internal mechanism does the BDA24070Y1 use to limit short-circuit currents?
PowerPacT B-frame breakers are equipped with dual-break rotating contacts that reduce the amount of peak current during a short-circuit fault, enhancing overall equipment protection.
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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.