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Square D HOM120AFI AFCI Miniature Circuit Breaker
- 20A
- 1 Pole
- Plug-On
Square D
HOM120AFI
AFCI Miniature Circuit Breaker
Brand
Square D
SKU
HOM120AFI
Quantity
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Square D HOM120AFI - 20A AFCI Miniature Circuit Breaker
New
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Square D HOM120AFI - 20A AFCI Miniature Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | HOM120AFI |
| Series | HOM |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Plug-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Frame Type | HOM |
|---|---|
| Terminal Type | Screw/Clamp Terminal |
| For Use With | Homeline Load Centers |
| Wire Gauge | 14-8 AWG (Al/Cu) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Special Classification | AFCI |
|---|---|
| Available Options | Padlock Attachment |
| Accessories | Pigtail Neutral |
| Standards | CSA C22.2 No. 5, HACR, UL 489, UL 1699 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
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Square D HOM120AFI - 20A AFCI Miniature Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | HOM120AFI-R |
| Series | HOM |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Plug-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Frame Type | HOM |
|---|---|
| Terminal Type | Screw/Clamp Terminal |
| For Use With | Homeline Load Centers |
| Wire Gauge | 14-8 AWG (Al/Cu) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Special Classification | AFCI |
|---|---|
| Available Options | Padlock Attachment |
| Accessories | Pigtail Neutral |
| Standards | CSA C22.2 No. 5, HACR, UL 489, UL 1699 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
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Description
Rated for 20-amp residential circuits, this branch/feeder arc-fault interrupter detects hazardous parallel arcing conditions. It installs into conventional Square D Homeline load centers using a standard pigtail neutral wire connection. While newer codes often require combination AFCI models like the HOM120CAFI, this specific unit remains essential for matching existing installations or specific local requirements. The thermal-magnetic core delivers a 10kAIC interrupting capacity at 120VAC.Specifications
| Brand | Square D |
|---|---|
| Part Number | HOM120AFI |
| Series | HOM |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Plug-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Frame Type | HOM |
|---|---|
| Terminal Type | Screw/Clamp Terminal |
| For Use With | Homeline Load Centers |
| Wire Gauge | 14-8 AWG (Al/Cu) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Special Classification | AFCI |
|---|---|
| Available Options | Padlock Attachment |
| Accessories | Pigtail Neutral |
| Standards | CSA C22.2 No. 5, HACR, UL 489, UL 1699 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Product FAQs
8 answersCan I install the HOM120AFI in a Square D QO load center?
No. This breaker is specifically designed for Square D Homeline load centers. It will not fit or function in QO series panels, which require a different mounting footprint.
What is the difference between the HOM120AFI and the HOM120CAFI?
The HOM120AFI is a Branch/Feeder AFCI that detects parallel arcing faults. The HOM120CAFI is a Combination AFCI (CAFCI) that detects both parallel and series arcing faults. Check your local electrical code, as many modern jurisdictions require combination-type AFCIs for new residential installations.
Does this breaker require a Plug-on Neutral panel?
No. The HOM120AFI features a pigtail neutral wire that connects directly to the panel's neutral bus bar, making it compatible with standard, legacy Homeline load centers that do not have a Plug-on Neutral chassis.
What type of arc fault protection does the HOM120AFI provide?
It provides Branch/Feeder arc fault protection. This is designed to detect parallel arcing faults (such as line-to-neutral or line-to-ground arcs) in the branch circuit wiring, typically at 75 amps or higher.
How do I wire the pigtail neutral on the HOM120AFI?
The coiled white pigtail wire must be routed and secured to the neutral bus bar in your Homeline load center. This connection is required to power the breaker's internal arc fault detection circuitry.
Can I use this Homeline AFCI breaker in a non-Square D panel?
No. UL listings require Square D Homeline breakers to be installed exclusively in Square D Homeline load centers. Using them in other brands violates the UL listing and compromises safety.
What is the difference between the HOM120AFI and HOM120PCAFI?
The HOM120AFI uses a pigtail neutral connection and provides Branch/Feeder AFCI protection. The HOM120PCAFI is a Plug-on Neutral breaker that provides Combination AFCI protection and requires a compatible Plug-on Neutral Homeline panel.
What does the LI trip function mean on this breaker?
The LI designation stands for Long-Time and Instantaneous trip functions. This is a standard thermal-magnetic trip mechanism where the thermal element (Long-Time) protects against overloads and the magnetic element (Instantaneous) protects against short circuits.
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