{"product_id":"siemens-qa120afcp-20-amp-combination-afci-breaker-reliable-arc","title":"Siemens QA120AFCP 20-Amp Combination AFCI Breaker - Reliable Arc","description":"\u003cp\u003eIn this review the Siemens QA120AFCP is evaluated as a practical option for homeowners and electricians needing reliable arc fault protection on 120-volt branch circuits. The biggest reason to consider it is the \u003cstrong\u003eCombination AFCI\u003c\/strong\u003e capability, which detects both parallel and low-energy series arcing faults that simpler devices miss, making it a strong choice for protecting bedroom and living area circuits where series faults from cords and wiring are a concern. Installation notes and real-world use are covered below to help decide if it fits the job.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 Amp single pole:\u003c\/strong\u003e Suitable for common 120-volt branch circuits such as lighting and receptacles, offering the ampacity most residential circuits require.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombination type AFCI:\u003c\/strong\u003e Detects both high-energy parallel arcing and low-energy series arcing to protect downstream wiring and cord sets more comprehensively than branch\/feeder-only units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED trip indicators:\u003c\/strong\u003e LEDs near the handle illuminate briefly after a trip to help electricians identify the last trip condition for faster troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved wiring space:\u003c\/strong\u003e Provides 1\/4 in more wire bend space than the previous design and both lugs at the same angle, which simplifies routing and terminations in crowded panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher torque rating:\u003c\/strong\u003e 25 lb\/in torque rating on the lugs for secure connections and consistent clamping during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe QA120AFCP is aimed at electricians, remodelers, and informed homeowners replacing or upgrading breakers in existing Siemens panels or compatible panels where combination arc fault protection is required by code. It is especially appropriate for circuits that power appliances and power tools that can generate arcing conditions, and for anyone who wants the added diagnostic help from \u003cstrong\u003eLED trip indicators\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThose who need GFCI protection in addition to arc fault protection should look elsewhere or pair this breaker with a ground-fault solution, because \"combination\" refers to parallel plus series arc detection, not a GFCI function. Also, if absolute factory-perfect build quality is a priority, be aware that some users report occasional defective units and may prefer buying through a supplier with a clear return policy.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvides broad arc detection by combining parallel and series arc protection to safeguard wiring and cord sets.\u003c\/li\u003e\n\u003cli\u003eLED trip indicators give quick visual feedback to help trace and diagnose trips.\u003c\/li\u003e\n\u003cli\u003eImproved wire bend space and same-angle lugs speed installation and make terminations easier in tight panels.\u003c\/li\u003e\n\u003cli\u003e25 lb\/in torque rating supports a secure connection and reduces the chance of loose conductors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCombination AFCI does not include GFCI protection, so it does not replace a GFCI where both are required.\u003c\/li\u003e\n\u003cli\u003eSome customers report mixed build-quality experiences, so buyers may encounter occasional defective units and should verify return options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSIEMENS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eQA120AFCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eCombination Type AFCI, single pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e120 volt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e20 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Rating\u003c\/td\u003e\n\u003ctd\u003e25 lb\/in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign Notes\u003c\/td\u003e\n\u003ctd\u003eLED trip indicators; 1\/4 in more wire bend space than prior design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Siemens QA120AFCP is a practical, value-conscious choice for protecting residential 120-volt circuits from both parallel and series arcing. With helpful \u003cstrong\u003eLED trip indicators\u003c\/strong\u003e, improved wiring space, and a solid torque rating, it is worth choosing for most replacement and upgrade jobs, provided you pair it with a GFCI solution where required and buy from a seller with a straightforward return policy to cover the rare defective unit.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this breaker provide GFCI protection?\u003c\/strong\u003e\u003cbr\u003eNo; combination refers to parallel plus series arc detection only and does not include ground-fault protection, so a separate GFCI is needed where required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit in a Siemens panel?\u003c\/strong\u003e\u003cbr\u003eYes; it is designed for single-pole installation in compatible Siemens panels and replaces like-for-like breakers in most residential panels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the LED indicators show?\u003c\/strong\u003e\u003cbr\u003eThe LEDs illuminate for about 5 seconds after a trip and provide visual cues to help electricians determine the type or timing of the last trip event.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":48609000980699,"sku":"B00J59DYMS","price":43.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51aJhQ_0DbL._AC_SL1000.jpg?v=1778396041","url":"https:\/\/gearmusthave.com\/products\/siemens-qa120afcp-20-amp-combination-afci-breaker-reliable-arc","provider":"GearMustHave","version":"1.0","type":"link"}