{"product_id":"siemens-qa120afcnl","title":"Siemens QA120AFCNL 120A 1-Pole 120 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QA120AFCNL 120A 1-Pole 120 V Circuit Breaker is the trusted safeguard for your 120-volt electrical circuits. With a 120 A rating and a single-pole design, this Siemens part provides reliable interruption to protect wiring and connected devices from overloads and faults in residential or light commercial panels.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 120 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 120 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QA120AFCNL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e 1-pole circuit breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens QA120AFCNL stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDedicated 120 V, single-pole protection:\u003c\/strong\u003e Perfect for protecting individual 120-volt circuits such as lighting, receptacle runs, or dedicated appliances, while fitting into standard Siemens panels that accept QA-series breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear, documented part compatibility:\u003c\/strong\u003e Designed as part of the QA family, ensuring consistent performance and straightforward replacement within compatible Siemens panel systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable interruption for safety:\u003c\/strong\u003e When overloads occur, this breaker rapidly interrupts current to minimize wiring damage and reduce risk to your electrical system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing a worn or faulty 120 V, single-pole breaker in a residential electrical panel.\u003c\/li\u003e \u003cli\u003eProtecting a specific branch circuit dedicated to lighting, outlets, or a single high-draw appliance within a home or small business.\u003c\/li\u003e \u003cli\u003eInstalling consistent, Siemens-branded protection in panels designed to accept QA-series breakers, ensuring cohesive performance and labeling.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and practical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eTurn off the main power and verify the panel is compatible with QA-series breakers before installation.\u003c\/li\u003e \u003cli\u003eFollow the panel manufacturer’s instructions for securing the breaker connections and any torque specifications for mounting.\u003c\/li\u003e \u003cli\u003eUse this 120 A, 1-pole breaker for a single hot leg on 120 V circuits to ensure proper protection and fault interruption.\u003c\/li\u003e \u003cli\u003eConsider labeling the protected circuit clearly on the panel to simplify future maintenance and safety checks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re completing a panel refresh, replacing a failing component, or standardizing your protection with a Siemens-based solution, the QA120AFCNL delivers dependable, 120 V circuit protection with a straightforward, single-pole design. Align your installation with your existing Siemens infrastructure and enjoy consistent performance, clear identification, and peace of mind for everyday electrical demands.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423399268514,"sku":"QA120AFCNL","price":249.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-qa120afcnl","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}