Siemens QA AFCI Series (Siemens) Circuit Breakers
The Siemens QA series is an Arc Fault Circuit Interrupter (AFCI) breaker for residential applications, required by NEC 2014+ for bedroom and living area circuits. QA breakers provide both overcurrent and arc fault protection in a single device.
Series Specifications
| Frame | QA AFCI Residential — 20A Frame |
|---|---|
| Amperage Range | 15A – 20A |
| Voltage | 120VAC |
| Poles | 1-Pole |
| Interrupting Rating | 10kA @ 120V |
| Mounting | Plug-In |
| Trip Type | Arc Fault Circuit Interrupter (AFCI) |
History and Replacement Context
AFCI technology was introduced by Siemens in the early 2000s in response to NEC code requirements. The QA series is designed for use in Siemens residential load centers.
Typical Applications
- Bedroom circuits (NEC required)
- Living area circuits
- Residential AFCI compliance
Available Catalog Numbers
- QA115AFC — 15A, 1 pole, 120VAC
- QA120AFC — 20A, 1 pole, 120VAC
- QA125AFC — 25A, 1 pole, 120VAC
- QA130AFC — 30A, 1 pole, 120VAC
- QA2015AFC — 15A, 2 pole, 120/240V
- QA2020AFC — 20A, 2 pole, 120/240V
- QA2025AFC — 25A, 2 pole, 120/240V
- QA2030AFC — 30A, 2 pole, 120/240V
- QA215AFC — 15A, 2 pole, 120/240VAC
- QA220AFC — 20A, 2 pole, 120/240VAC
- QAF115 — 15A, 1 pole, 120VAC
- QAF120 — 20A, 1 pole, 120VAC