{"product_id":"siemens-qf120acsa-20a-120v-1-pole-plug-in-circuit-breaker","title":"Siemens QF120ACSA - 20 A, 120 V, 1-Pole Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QF120ACSA is a 20A, 120V, 1-pole plug-in molded case circuit breaker designed to provide dependable branch circuit protection in panelboards and load centers.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e enables quick installation and painless replacements, reducing panel downtime on service calls or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection against overcurrent and short-circuit faults, helping to prevent equipment damage and nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e ensures seamless integration with matching Siemens load centers and panelboards, simplifying upgrades and ensuring reliable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e ideal for residential, commercial, and light industrial circuits that require dependable, immediate protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: QF120ACSA\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 20 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 120 V\u003c\/li\u003e \u003cli\u003eNumber of poles: 1\u003c\/li\u003e \u003cli\u003eMounting style: Plug-in\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker makes sense for your panel\u003c\/h3\u003e\n\u003cp\u003eWhen reliability and speed matter, the Siemens QF120ACSA stands out. The plug-in design cuts install time and reduces panel downtime during routine maintenance or emergency replacements. Its thermal-magnetic trip unit coordinates protection precisely with the electrical system, guarding against damaging faults while keeping nuisance trips to a minimum. Designed to work with Siemens’ own load centers and panelboards, it offers confident compatibility for upgrades, repairs, or new installations.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew construction projects that benefit from fast, plug-in protection solutions in compact panel layouts.\u003c\/li\u003e \u003cli\u003eResidential service upgrades requiring dependable 20-amp branch-circuit protection.\u003c\/li\u003e \u003cli\u003eCommercial or light industrial circuits where quick replacements minimize downtime and service interruptions.\u003c\/li\u003e \u003cli\u003eReplacement of aging breakers in compatible Siemens panels to restore secure electrical protection quickly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens QF120ACSA for consistent, safe power distribution across your most important circuits—delivering straightforward installation, reliable protection, and lasting peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355159220386,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_c643e0c8-595f-4f05-9430-6986ba8c0c01.png?v=1764689793","url":"https:\/\/www.ampstate.com\/products\/siemens-qf120acsa-20a-120v-1-pole-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}