Overview
The Siemens Q115DF is a 15 amp, 120 volt, single-pole dual-function circuit breaker for compatible Siemens load centers. It combines combination AFCI protection, Class A GFCI protection, and thermal-magnetic overcurrent protection in one pigtail-neutral device with a 10 kA interrupting rating.
Key Features
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Safety: Dual-function electronics address both arc-fault fire hazards and 5 mA personnel ground-fault hazards.
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Installation: Plug-in mounting uses a neutral pigtail plus a load-side box-lug terminal.
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Compatibility: Type QFGA2 construction for compatible Siemens load centers specifically listed for this breaker family.
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Performance: Rated 15 A, 1 pole, 120 V AC, and 10 kA interrupting capacity.
Specifications
- Manufacturer part number: Q115DF
- Official type / series: QFGA2
- Current rating: 15 A
- Voltage rating: 120 V AC
- Poles / phase: 1 pole / 1 phase
- Protection: combination AFCI, Class A GFCI, thermal-magnetic
- Mounting: plug-in with neutral pigtail
- Wire range: 14–8 AWG copper; 12–8 AWG aluminum
- Temperature calibration: 40°C
- Interrupting rating: 10 kA
- Standards / markings: UL 489; UL 1699; UL 943; CSA; HACR; SWD
Common Applications
- 15 A dwelling-unit branch circuits requiring both AFCI and GFCI protection.
- Kitchens, laundry areas, finished basements, and other code-driven residential circuits.
- Compatible Siemens panel upgrades replacing the exact Q115DF catalog number.
- Retrofit applications where a pigtail-neutral dual-function breaker is specified.
