{"product_id":"siemens-qa120afc-20-amp-single-pole-120v-combination-afci-breaker","title":"Siemens QA120AFC 20-Amp Single-Pole 120V Combination AFCI Breaker","description":"\u003ch2\u003eSiemens QA120AFC: Safe, smart arc-fault protection for 120 V panels\u003c\/h2\u003e\u003cp\u003eThe Siemens QA120AFC is a 20-amp, single-pole combination AFCI circuit breaker designed for 120-volt electrical panels. It combines arc-fault detection with easy installation, helping protect downstream wiring, cord sets, and power supply cords from arcing faults. The device is built to fit typical residential and light-commercial panels, offering a straightforward upgrade path for enhanced circuit protection without a complex retrofit.\u003c\/p\u003e\u003cp\u003eWith a focus on real‑world use, this breaker detects both high-energy parallel arcing and low-energy series arcing, giving electricians a layered approach to arc fault protection. While not a GFCI, the combination AFCI protects against a broader class of arcing faults, potentially reducing nuisance trips while maintaining reliable circuit protection for everyday loads such as outlets, lighting, and small appliances.\u003c\/p\u003e\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDetects both parallel and series arcing faults, helping to identify problematic wiring and connections\u003c\/li\u003e\n\u003cli\u003eLED trip indicators near the handle illuminate to show the last trip condition for quick diagnosis\u003c\/li\u003e\n\u003cli\u003e1\/4 inch more wire bend space than previous designs, aiding tidy, organized terminations\u003c\/li\u003e\n\u003cli\u003ePlug-on installation with compatible lugs and mounting design for streamlined wiring in the panel\u003c\/li\u003e\n\u003cli\u003eTorque rating of 25 lb\/in for secure, consistent mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat this means in practice\u003c\/h3\u003e\u003cp\u003eIn everyday panel upgrades or new installations, the QA120AFC provides downstream protection for branch circuits, cord sets, and power supply cords. The LED indicators act as a practical visual cue for technicians during servicing, helping determine whether a previous trip related to arcing occurred. This can simplify diagnostics without implying certainty about fault conditions.\u003c\/p\u003e\u003cp\u003eDesigned for ease of use, the breaker features identical lug angles to simplify wiring routing in crowded panels, and it is built to a torque spec that supports reliable performance once installed. This makes it a sensible option for those seeking robust arc-fault protection with clear, user-friendly indicators and straightforward installation steps — all while keeping the potential benefits in view as possibilities rather than guarantees.\u003c\/p\u003e\u003cp\u003eNote: This description complements, but does not replace, official installation instructions. Always follow local electrical codes and Siemens recommendations when selecting and installing AFCI devices.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the Siemens QA120AFC used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A 20-amp, 120-volt single-pole AFCI breaker for protecting downstream branch wiring by detecting parallel and series arcing faults.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What do the LED trip indicators show?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: LED indicators display the last trip condition for quick diagnostic reference during servicing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":53085537108079,"sku":"B00J59DYLO","price":52.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/siemens-qa120afc-front-view.jpg?v=1778617014","url":"https:\/\/taskholt.com\/products\/siemens-qa120afc-20-amp-single-pole-120v-combination-afci-breaker","provider":"TaskHolt","version":"1.0","type":"link"}