{"product_id":"qa120afcn","title":"Siemens QA120AFCN - 20A, AFCI Arc-Fault Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QA120AFCN — a 20A AFCI arc-fault circuit breaker designed to deliver reliable overcurrent protection in demanding electrical environments. Built for panelboards, switchboards, control panels, and OEM equipment, this breaker helps safeguard your distribution infrastructure with integrated arc-fault detection that combats dangerous arcing conditions.\u003c\/p\u003e \u003cp\u003eWhy this matters: arc faults are a leading fire risk in electrical systems. The QA120AFCN combines Siemens-quality construction with AFCI technology to shut down faults quickly, helping protect people, property, and ongoing operations in industrial, commercial, and OEM installations.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e AFCI Arc-Fault Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e panelboards, switchboards, control panels, OEM equipment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal environments:\u003c\/strong\u003e industrial facilities, commercial buildings, and OEM equipment racks, including motor control centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you’ll gain\u003c\/h3\u003e\n\u003cp\u003eWith the QA120AFCN, you get proactive arc-fault protection alongside overcurrent protection in a compact form factor designed for Siemens QA panel ecosystems. It supports safer startup and ongoing operation for devices and equipment in distribution panels, reducing nuisance trips and downtime associated with arc-related faults.\u003c\/p\u003e \u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading electrical distribution in manufacturing lines where reliable AFCI protection is required.\u003c\/li\u003e \u003cli\u003eIntegrating into new or existing control panels in commercial facilities to meet safety standards.\u003c\/li\u003e \u003cli\u003eOEM equipment assemblies that require robust 20A arc-fault protection as part of a broader protection strategy.\u003c\/li\u003e \u003cli\u003eMotor control centers and other power panels where dependable protection and fast response are critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eEnsure your panel is designed to accept Siemens QA-type breakers and that the overall panel rating supports a 20A AFCI device. The QA120AFCN is built for straightforward replacement within compatible Siemens panels, enabling a streamlined upgrade to arc-fault protection without extensive rewiring.\u003c\/p\u003e \u003ch3\u003eWho should consider this breaker?\u003c\/h3\u003e\n\u003cp\u003eElectrical engineers, facilities managers, panel builders, and OEM integrators who prioritize safety, reliability, and compliance in medium-current distribution systems will benefit from the QA120AFCN as a dependable component in distribution panels and motor control centers.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390507176098,"sku":"QA120AFCN","price":1065.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_989a6650-0b58-49a0-8d75-c59b8ce613e7.png?v=1765376189","url":"https:\/\/www.ampstate.com\/products\/qa120afcn","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}