Siemens Q120DF / Q120DFN - 20 Amp 1-Pole Dual Function (CAFCI/GFCI) Plug-On Neutral Circuit Breaker

Overview

The Siemens Q120DF series circuit breakers deliver 20 Amp, single-pole protection with built-in Dual Function technology — combining Combination Arc Fault Circuit Interrupter (CAFCI) and Ground Fault Circuit Interrupter (GFCI) protection in a single device. Available in both standard and Plug-On Neutral versions, these breakers protect against both arc and ground faults to enhance electrical safety across residential applications while reducing installation time and panel clutter.

• Q120DFN version includes a neutral connection for use in Plug-On Neutral load centers
• Q120DF version uses a traditional pigtail connection
• Ideal for kitchens, laundry rooms, bedrooms, and other areas where dual protection is required
• Saves panel space by combining CAFCI and GFCI protection in a single device
• Complies with latest NEC requirements for residential safety