Siemens QA120AFC / QA120AFCN - 20 Amp 1-Pole Combination Type AFCI Plug-On Neutral Circuit Breaker

Overview

The Siemens QA120AFC and QA120AFCN are 1-Pole 20 Amp combination type arc fault circuit interrupters (CAFCI) designed to protect branch circuits from both parallel and series arc faults. These breakers include Siemens’ plug-on neutral technology, which simplifies installation by eliminating the need for a pigtail neutral wire. They are suitable for residential load centers and ideal for bedrooms, living rooms, and other areas requiring AFCI protection under NEC guidelines.

• Plug-on neutral version (QA120AFCN) simplifies wiring—ideal for modern installations.
• Compatible with Siemens plug-on neutral load centers.
• Provides protection against both high-energy parallel arcs and low-energy series arcs.
• Required in many living areas per NEC.