Square D FAL34070-1380 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Unit Mount
Square D
FAL34070-1380
Molded Case Circuit Breaker
Brand
Square D
SKU
FAL34070-1380
Quantity
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Square D FAL34070-1380 - 70A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for complex control schemes, the FAL34070-1380 is a 3-pole, 70A molded case circuit breaker featuring a factory-installed 120-240VAC shunt trip and 1A/1B auxiliary switch. It delivers thermal-magnetic protection with fixed LI trip functions. This F-Frame unit-mount breaker fits Square D enclosures and switchboards. It is replaced by the HDL36070, which requires separate accessories. Rated for 18 kAIC at 480VAC, it includes a Visi-Trip indicator for quick status checks.Specifications
| Brand | Square D |
|---|---|
| Part Number | FAL34070-1380 |
| Series | FAL |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D Enclosures, Switchboards, Motor Control Centers |
| Wire Gauge | 14-1/0 AWG (Cu), 12-1/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG (Cu) / 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Auxiliary Switch (1A/1B), Shunt Trip (120-240VAC) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB-1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
8 answersWhat does the -1380 suffix indicate on the FAL34070-1380?
The -1380 suffix denotes that this breaker includes a factory-installed 120-240V AC shunt trip and a 1A/1B auxiliary switch for remote tripping and status signaling.
What wire sizes are accepted by the lugs on the FAL34070-1380?
The factory-installed lugs accept 14 AWG to 1/0 AWG copper wire, or 12 AWG to 1/0 AWG aluminum wire.
Are the trip settings adjustable on the FAL34070-1380?
No, this F-Frame breaker features a thermal-magnetic trip unit with fixed long-time and fixed instantaneous trip functions. It does not have adjustable dials.
How is the FAL34070-1380 mounted?
This is a unit-mount, feed-thru circuit breaker. It is designed to be surface-mounted or installed in Square D enclosures, switchboards, and motor control centers using its line and load side lugs, rather than plugging onto a busbar.
Is the FAL34070-1380 part of the current Square D product line?
The FAL series is a legacy F-Frame molded case circuit breaker. For new installations, Square D typically recommends crossing this to the modern PowerPacT B-Frame series, though the FAL remains widely used for direct replacements.
Can the FAL34070-1380 be used in DC applications?
Yes, this circuit breaker is rated for DC applications up to 250V DC, with an interrupting capacity of 10kA.
Can this 3-pole breaker be used on a single-phase system?
Yes, 3-pole molded case circuit breakers can generally be used on single-phase systems by wiring through two of the three poles, provided the voltage and amperage ratings meet the application requirements.
What type of protection does the FAL34070-1380 provide?
It features a thermal-magnetic trip unit that provides long-time (thermal) protection against overloads and instantaneous (magnetic) protection against short circuits.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 39 reviews.
Reviews Summary
Generated by AI from 39 most recent customer reviews
Last updated 9/25/26
Customers say this circuit breaker arrives in excellent condition and works as expected. The product performs flawlessly and functions reliably. Many reviews highlight fast shipping, competitive pricing, and quick delivery times. Users appreciate the availability of refurbished and obsolete models. The parts arrive well-packed and in like-new condition. Common feedback addresses excellent communication and straightforward ordering. Overall, customers report satisfaction with product quality, value, and prompt service fulfillment.
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Rating
39 reviews
- PCPierre C.Verified BuyerReviewingSquare D FAL3603015M - 30A 3 Pole Motor Circuit ProtectorI recommend this productRated 5 out of 5 stars9/15/26Great service!!!
Bought this to replace the faulty one. Shipped overnight and arrived at noon as promised. Works as new. Very happy with this. Awesome help from the staff. Definitely my go to place now.
Thank you.
- MBMichael B.Verified BuyerReviewingSquare D FAL32030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/13/26Great product
This item worked as expected and is good quality. SuperBreakers did a great job with communication and delivery.
- ZBZachary B.Verified BuyerReviewingSquare D FAL36040 - 40A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/23/26Perfect
Exactly what we needed and worked flawlessly. Thanks
- JRJohn R.Verified BuyerReviewingSquare D FAL36100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/29/26Circuit Breaker
The breaker was in "like new" condition and well packed for shipping. Excellent value overall!
- RFRon F.Verified BuyerReviewingSquare D FAL340801021 - 80A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/13/26Square D FAL340801021 - 80A 3 Pole Molded Case Circuit Breaker
As usual SB has the best price and delivery was spot on!