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Siemens QA115AFC AFCI Miniature Circuit Breaker
- 15A
- 1 Pole
- Plug-On
Siemens
QA115AFC
AFCI Miniature Circuit Breaker
Brand
Siemens
SKU
QA115AFC
Quantity
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Siemens QA115AFC - 15A AFCI Miniature Circuit Breaker
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Description
Built to satisfy modern electrical codes, this 15-amp combination arc-fault protector mitigates the risk of electrical fires by sensing low-level arcing. The device includes a standard pigtail neutral and features the signature Oops Loop for simplified wiring adjustments. It installs into standard Siemens EQ, EQL, SEQ, PL, and ES load centers without requiring a specialized plug-on neutral bus. HACR and SWD ratings ensure versatility across various residential heating and lighting loads.Specifications
| Brand | Siemens |
|---|---|
| Part Number | QA115AFC |
| Series | QA |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | Plug-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens EQ, EQL, SEQ, EQG, PL, ES, Ultimate 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 | Pigtail Neutral |
| Standards | CSA C22.2 No. 5, HACR, SWD, UL 1699, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Combination Arc Fault, Parallel Arc Fault, Series Arc Fault, HACR Rated, SWD Rated, Visual Trip Indicator, Insta-Wire |
Product FAQs
8 answersWhich Siemens load centers are compatible with the QA115AFC breaker?
This plug-on breaker is approved for installation in Siemens EQ, EQL, SEQ, EQG, PL, ES, and Ultimate series load centers. Always verify compatibility by checking the wiring diagram inside your panel door before installation.
How is the neutral connection handled on the QA115AFC?
This AFCI breaker features a pigtail neutral connection. The attached white coiled wire must be routed and secured directly to the neutral bus bar in the panel to power the internal arc fault detection circuitry.
What wire gauges are accepted by the breaker terminals?
The terminal lugs are designed to accommodate 14 to 8 AWG copper wire, or 12 to 8 AWG aluminum wire. Ensure connections are torqued to the manufacturer specifications for a secure fit.
Are the QA115AFC and Q115AFC the same circuit breaker?
Yes, QA115AFC and Q115AFC are often used interchangeably by Siemens to refer to the exact same 15-amp, 1-pole combination AFCI breaker. Both catalog numbers feature a pigtail neutral and provide identical arc fault protection.
Is this a direct replacement for older Siemens branch feeder AFCI breakers?
Yes. The QA115AFC is a combination type AFCI, meaning it detects both parallel and series arcing. It serves as a direct code-compliant upgrade for older branch-feeder AFCI models that were only capable of detecting parallel arcs.
Does the QA115AFC provide ground fault protection?
No. This unit is strictly a combination arc fault circuit interrupter (AFCI). If your electrical code requires both arc fault and ground fault protection on the same circuit, you must install a dual-function (DF) breaker instead.
What types of faults does this combination AFCI breaker detect?
The QA115AFC mitigates the risk of electrical fires by sensing unintended electrical arcs. The combination arc fault technology provides protection against both high-energy parallel arcing and low-energy series arcing caused by damaged cords or loose wiring.
Why might the QA115AFC trip immediately after a new installation?
Immediate tripping upon installation is frequently caused by a shared neutral on a multi-wire branch circuit, a ground-to-neutral fault, or a loose pigtail connection. AFCI breakers require strict isolation of the circuit neutral to function without nuisance tripping.
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