Square D FA14030B Molded Case Circuit Breaker
- 30A
- 1 Pole
- I-Line
Square D
FA14030B
Molded Case Circuit Breaker
Brand
Square D
SKU
FA14030B
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D FA14030B - 30A 1 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
90A 1 Pole Molded Case Circuit Breaker
30A 1 Pole Molded Case Circuit Breaker
Description
Engineered for industrial distribution, the FA14030B is a 30A, 1-pole molded case circuit breaker by Square D. This legacy F-Frame device provides essential thermal-magnetic protection. It mounts into Square D I-Line panelboards and switchboards using a plug-on connection. For newer installations, this model is replaced by the BDA140302. Delivering 18 kAIC at 277VAC, it ensures robust fault clearing. The unit includes a Visi-Trip indicator and is configured for a Phase B connection.Specifications
| Brand | Square D |
|---|---|
| Series | FA |
| Amperage | 30A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 120VAC, 277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 120VAC, 18kA @ 277VAC, 10kA @ 125VDC |
| Frame Type | FA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | 14-4 AWG (Cu), 12-4 AWG (Al) |
| Max Wire | 4 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, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Phase B Jaws (Factory Configured) |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489, W-C-375B/GEN |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
5 answersWhat does the 'B' suffix in the FA14030B catalog number indicate?
The 'B' suffix denotes the phase connection. Because this is a 1-pole I-Line breaker, it is factory-configured to plug specifically into the B-phase of the panelboard bus. You would need a breaker with an 'A' or 'C' suffix to connect to the other phases.
Can I install the FA14030B in a standard Square D NQ or QO panel?
No. The FA14030B features an I-Line plug-on mounting style, which is exclusively designed for Square D I-Line panelboards and switchboards. It will not fit in NQ, NF, QO, or Homeline load centers.
Is the Square D FA frame series still in active production?
No, the FA frame is a legacy molded case circuit breaker series that has been discontinued by Schneider Electric. For new installations, panel builders typically use the modern PowerPact series, though legacy FA breakers remain widely used for replacements in existing I-Line panels.
How is the FA14030B secured to the panelboard?
It utilizes the I-Line mounting system, which features a plug-on jaw that engages directly with the panelboard bus stack. A captive mounting screw on the opposite end of the breaker is then tightened into the panel backpan to secure it in place.
Are the trip settings on the FA14030B adjustable?
No, this breaker is equipped with a fixed thermal-magnetic trip unit. Both the long-time (thermal) overload protection and the instantaneous (magnetic) short-circuit protection are factory-set and cannot be field-adjusted.
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 5.0 out of 5 based on 71 reviews.
Reviews Summary
Generated by AI from 68 most recent customer reviews
Last updated 8/15/26
Customers say this circuit breaker matches its description, fits perfectly, and works as expected. Many reviews highlight fast shipping and quick delivery times, with several noting orders arrived within days. Users appreciate the product condition, describing refurbished units as appearing new without wear or marks. Common feedback addresses competitive pricing compared to local suppliers and the overall value proposition. Customers report straightforward ordering processes and reliable service, with repeat purchasers noting consistent positive experiences. The breaker installed easily and functioned properly in various applications.
Search
Rating
71 reviews
- RLRichard L.Verified BuyerReviewingSquare D FA34090 - 90A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/30/26Mill Superintendant
Works great!
We will definitely use SuperBreakers again.
Thank you!
Richard
- CPCasey P.Verified BuyerReviewingSquare D FA34030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/14/26Great company
Ordered on a Saturday evening, paid for two day shipping and it arrived on time and in perfect condition. Would 100 percent be using this company going forward, beat out pricing and shipping times for all my local supply houses. Plus the staff were great to deal with.
- AHAnn H.Verified BuyerReviewingSquare D FA36100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/22/26Professional Service
So far, so good! The circuit breaker was installed along with a new compressor for our church AC, and everything is now working well.
The company has been professional, dependable, and reputable throughout the process. I had a question after the installation, and it was answered immediately. I also appreciated that they followed up and asked for feedback to make sure the new part was working properly and that we were satisfied with the service.
It’s refreshing to deal with a company that not only has quality products but also cares about its customers after the job is completed. I would definitely recommend them!
- RErene e.Verified BuyerReviewingSquare D FA34070 - 70A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/14/26breaker
breaker was just as discribed
- BEBallentine E.Verified BuyerReviewingSquare D FA24060AC - 60A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/15/26Great
Accurate and on time.