Siemens QA120AFCWG AFCI Miniature Circuit Breaker
- 20A
- 1 Pole
- Plug-On
Siemens
QA120AFCWG
AFCI Miniature Circuit Breaker
Brand
Siemens
SKU
QA120AFCWG
Quantity
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Siemens QA120AFCWG - 20A AFCI Miniature Circuit Breaker
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Description
Built for the Siemens WireGuide system, the QA120AFCWG is a 20A single-pole combination AFCI breaker. It delivers essential protection against series and parallel arc faults to ensure NEC compliance in residential circuits. This unit features a pre-trimmed neutral pigtail with an 'Oops Loop' that slides into the neutral bar of WireGuide load centers, eliminating the need to measure and cut wires. Rated at 10 kAIC, it includes an LED trip indicator and Insta-Wire connectors.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QA120AFCWG |
| Series | QA |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Plug-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens WireGuide Load Centers |
| Wire Gauge | 14-8 AWG (Cu), 12-8 AWG (Al) |
| Max Wire | 8 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 |
| Special Classification | AFCI |
|---|---|
| Available Options | Padlock Attachment |
| Accessories | Pre-trimmed neutral pigtail |
| Standards | CSA C22.2 No. 5, HACR, SWD, UL 1699, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | WireGuide System, Visual Trip Indicator, Insta-Wire, HACR Rated, SWD Rated |
Product FAQs
5 answersWhat load centers are compatible with the QA120AFCWG?
This breaker is designed exclusively for Siemens WireGuide load centers, including both PL and ES WireGuide series. It features a pre-trimmed neutral wire tailored specifically for the WireGuide neutral bar layout.
How does the WireGuide pigtail neutral simplify installation?
The QA120AFCWG features a pre-trimmed pigtail neutral that slides directly into the neutral bar as the breaker is seated. This eliminates the time-consuming step of routing and trimming standard pigtails. It also includes a small loop of extra wire in case adjustments are needed.
Can I install the QA120AFCWG in a standard Siemens load center?
No, the pre-trimmed neutral on the QA120AFCWG is too short for standard panel routing. It is built specifically for WireGuide load centers. For standard Siemens panels, you must use a standard pigtail AFCI or a Plug-On Neutral AFCI, depending on your panel design.
What is the difference between the QA120AFCWG, QA120AFCP, and QA120AFCN?
All three are 20A single-pole combination AFCI breakers. The QA120AFCWG features a pre-trimmed pigtail neutral designed exclusively for WireGuide load centers. The QA120AFCP features a standard, full-length pigtail neutral for traditional Siemens load centers. The QA120AFCN is a Plug-On Neutral breaker that eliminates the pigtail entirely for compatible PN and SN series panels.
What type of arc fault protection does this breaker provide?
As a Combination Arc Fault Circuit Interrupter (CAFCI), the QA120AFCWG detects both series and parallel arcing faults. This provides comprehensive protection against electrical fires and meets National Electrical Code (NEC) requirements for residential living areas.
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