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Square D BDA24070Y2 Molded Case Circuit Breaker
- 70A
- 2 Pole
- I-Line
Square D
BDA24070Y2
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA24070Y2
Quantity
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Square D BDA24070Y2 - 70A 2 Pole Molded Case Circuit Breaker
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70A 2 Pole Molded Case Circuit Breaker
70A 2 Pole Molded Case Circuit Breaker
70A 2 Pole Molded Case Circuit Breaker
Description
Built for demanding commercial and industrial applications, this 2-pole, 70A molded case circuit breaker belongs to the Square D PowerPacT B-frame family. It delivers robust thermal-magnetic overcurrent protection. Equipped with an AC phase connection and I-Line mounting, this unit seamlessly integrates into Square D I-Line panelboards and switchboards. It is the designated replacement for the discontinued FA24070AC model.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 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 | None included |
| Standards | CSA C22.2 No. 5, EN/IEC 60947-2, EN/IEC 60947-5-1, 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, Reverse Feed, Non-Interchangeable Trip, Phase Connection AC |
Product FAQs
7 answersWhat older Square D circuit breaker does the BDA24070Y2 replace?
The BDA24070Y2 is a PowerPacT B-frame circuit breaker that serves as a direct replacement for the obsolete FA24070AC and other legacy F-frame (FA and FH) breakers. It fits into the same I-Line panelboard space without requiring panel modifications.
What does the Y2 suffix mean in the BDA24070Y2 part number?
The Y2 suffix indicates an AC phase connection. This means the 2-pole breaker connects to the A and C phases when installed in a 3-phase I-Line panelboard or switchboard.
What type of panelboards will accept this breaker?
This breaker features an I-Line style plug-in connection on the line side. It is designed exclusively for use in Square D I-Line panelboards and switchboards.
What does the D in the BDA frame designation stand for?
The D indicates the interrupting capacity level of the breaker. For the PowerPacT B-frame, the D-interrupting rating provides 18kA at 480VAC and 25kA at 240VAC.
What wire sizes are compatible with the load lugs on this breaker?
The load side lugs accept aluminum or copper wire ranging from 14 AWG to 2/0 AWG.
Does this breaker feature current-limiting technology?
Yes, PowerPacT B-frame breakers are equipped with dual-break rotating contacts that reduce the amount of peak current during a short circuit fault, providing current-limiting performance.
How can I manually test the mechanical operation of this breaker?
All PowerPacT B-frame circuit breakers include an integral push-to-trip button on the front cover. Pressing this button manually trips the breaker to verify the mechanical linkage is functioning properly.
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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.