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Square D BDA140303 Molded Case Circuit Breaker
- 30A
- 1 Pole
- I-Line
Square D
BDA140303
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA140303
Quantity
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Square D BDA140303 - 30A 1 Pole Molded Case Circuit Breaker
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30A 1 Pole Molded Case Circuit Breaker
30A 1 Pole Molded Case Circuit Breaker
30A 1 Pole Molded Case Circuit Breaker
Description
Built for robust power distribution, the Square D BDA140303 is a 1-pole, 30A PowerPacT B-Frame circuit breaker. It mounts into I-Line panelboards and switchboards, offering an exact replacement for legacy FA14030B units. Delivering 18 kAIC interrupting capacity at 480Y/277VAC, this thermal-magnetic breaker features a Phase B connection, push-to-trip mechanism, and Visi-Trip indicator for clear status identification in commercial and industrial environments.Specifications
| Brand | Square D |
|---|---|
| Part Number | BDA140303 |
| Series | BDA |
| Amperage | 30A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 120VAC, 208Y/120VAC, 240VAC, 277VAC, 480Y/277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 120VAC, 25kA @ 208Y/120VAC, 25kA @ 240VAC, 18kA @ 277VAC, 18kA @ 480Y/277VAC, 10kA @ 125VDC |
| 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 |
|---|---|
| Accessories | None included |
| Standards | CSA C22.2 No. 5, 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, Visual Trip Indicator, 80% Rated, Phase Connection B, Push-to-Trip |
Product FAQs
7 answersWhat type of panelboards are compatible with the BDA140303?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features a plug-on I-Line connection on the line side and mechanical lugs on the load side.
Can the BDA140303 be used in DC voltage applications?
Yes, this breaker is dual-rated for both AC and DC systems. It supports up to 125VDC with a 10kA interrupting capacity.
Can the BDA140303 replace older Square D FA frame breakers?
Yes, the PowerPacT B-frame is the direct, modern replacement for legacy Square D FA and FH series circuit breakers. It maintains the same mounting space dimensions in I-Line panelboards to easily retrofit older installations.
Does the BDA140303 have a push-to-trip feature?
Yes, all PowerPacT B-frame circuit breakers include an integral push-to-trip button on the cover, allowing you to manually trip the breaker for testing and maintenance.
What does the "D" in the BDA140303 part number signify?
The "D" indicates the interrupting rating tier within the PowerPacT B-frame series. This specific tier provides an 18kA interrupting capacity at 480Y/277VAC and 25kA at 240VAC.
Does this breaker require a separate mounting bracket for I-Line panels?
No, the BDA140303 comes with a shrouded I-Line plug-on jaw built into the line side, allowing it to mount directly to the panelboard bus without additional brackets.
Can the trip settings on the BDA140303 be adjusted in the field?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The trip settings are factory calibrated and cannot be adjusted.
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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.