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Square D FAL32020 Molded Case Circuit Breaker
- 20A
- 3 Pole
- Unit Mount
Square D
FAL32020
Molded Case Circuit Breaker
Brand
Square D
SKU
FAL32020
Quantity
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Square D FAL32020 - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D FAL32020 - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | FAL32020 |
| Series | FAL |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 5kA @ 250VDC |
| Frame Type | FAL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Enclosures, Switchboards, Panelboards |
| Wire Gauge | 14-4 AWG (Cu/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, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Quantity
Square D FAL32020 - 20A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | FAL32020-R |
| Series | FAL |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 5kA @ 250VDC |
| Frame Type | FAL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Enclosures, Switchboards, Panelboards |
| Wire Gauge | 14-4 AWG (Cu/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, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
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Description
Designed for robust power distribution, the FAL32020 is a 20-amp, 3-pole molded case circuit breaker from Square D's established F-Frame series. It provides essential long-time and instantaneous (LI) protection for commercial and industrial electrical networks. The unit mount design features feed-thru lug connections, making it suitable for a variety of Square D switchboards. Operating with a 10kAIC rating at 240VAC, it includes a Visi-Trip indicator and is superseded by the HDL36020.Specifications
| Brand | Square D |
|---|---|
| Part Number | FAL32020 |
| Series | FAL |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 5kA @ 250VDC |
| Frame Type | FAL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Enclosures, Switchboards, Panelboards |
| Wire Gauge | 14-4 AWG (Cu/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, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
7 answersWhat enclosures or panelboards are compatible with the FAL32020?
The FAL32020 is a unit-mount, feed-thru F-frame breaker designed for individual Square D enclosures, switchboards, and older panelboards that accept lug-to-lug breakers. It is not compatible with I-Line panelboards, which require specific I-Line variants.
What is the modern replacement for the legacy FAL32020 circuit breaker?
Schneider Electric designates the PowerPact B-frame series as the modern replacement for legacy F-frame applications. However, the FAL32020 remains widely available for direct replacements in existing electrical systems without requiring retrofit kits.
What is the recommended lug torque for the FAL32020 terminals?
The FAL32020 is equipped with AL50FA lugs. The recommended torque is 35 lb-in for 14-4 AWG copper or 12-4 AWG stranded aluminum wire, and 15 lb-in for 12-10 AWG solid aluminum wire. Always verify torque values on the physical breaker label before installation.
Is the FAL32020 suitable for use in DC electrical systems?
Yes, this breaker is rated for DC applications up to 250VDC with a 5kAIC interrupting capacity. This makes it appropriate for specific industrial DC control circuits, solar applications, or battery backup systems.
Can the FAL32020 circuit breaker be reverse fed?
Yes, standard thermal magnetic molded case circuit breakers like the FAL32020 that lack specific LINE and LOAD markings on the cover can be safely reverse fed in accordance with NEC guidelines.
Will the FAL32020 fit in a standard Square D QO or Homeline load center?
No, the FAL32020 is an industrial F-frame molded case circuit breaker. It is physically too large and uses a different mounting style than the miniature plug-on or bolt-on breakers required for residential QO and Homeline panels.
Does the FAL32020 mount on a standard 35mm DIN rail?
No, this is a unit-mount molded case circuit breaker that requires a dedicated mounting pan or enclosure backplate. It is not designed to snap onto a standard DIN rail.
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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.
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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 38 reviews.
Total 5 star reviews: 37 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Reviews Summary
Generated by AI from 31 most recent customer reviews
Last updated 7/31/25
Customers say these electrical components arrive quickly and match their specifications perfectly. Many reviews mention competitive pricing and reliable shipping times. Common feedback includes satisfaction with product condition and fit. While most orders arrive as expected, a few customers note shipping delays. Frequent comments address the accuracy of product descriptions and ease of ordering.
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Rating
38 reviews
- 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!
- FGFrancis G.Verified BuyerReviewingSquare D FAL32100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/27/26YMCA
EXCELLENT SERVICE.