{"product_id":"siemens-qf125a-25a-1p-120v-circuit-breaker","title":"Siemens QF125A 25A 1P 120V Circuit Breaker, GFCI, Plug-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eProtect people and circuits with the Siemens QF125A 25A 1P 120V GFCI Plug-On Circuit Breaker — a precise, plug-on solution built for reliable ground-fault protection in panelboards and electrical distribution. This is the smart choice for teams that demand immediate, code-compliant safeguarding without the hassle of complicated installs.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance crews, panel builders, and spare-inventory applications, the QF125A offers a direct part-number match that eliminates guesswork during ordering. Its plug-on design simplifies installation on compatible bus systems, delivering fast, secure protection so you can minimize downtime and keep projects moving.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QF125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e GFCI (Ground-Fault Circuit Interrupter) Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 25 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 120V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Plug-On for quick mounting in compatible panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy it matters: GFCI protection is essential for preventing electric shock and reducing electrical hazards in circuits where moisture or human contact is a risk. The QF125A delivers reliable protection for branch circuits in residential, commercial, or light industrial settings where 120V, 25A protection is appropriate. By using a Siemens plug-on design, you get a clean, tool-efficient installation that helps maintain panel integrity and consistent performance over time.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanelboards and load centers that accept Siemens 1P GFCI plug-on breakers\u003c\/li\u003e \u003cli\u003eMaintenance inventories where quick part replacement reduces downtime\u003c\/li\u003e \u003cli\u003eElectrical distribution setups requiring a precise, single-pole GFCI solution with straightforward sourcing\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and availability\u003c\/h3\u003e\n\u003cp\u003eAmpState stocks the Siemens QF125A, and our team can assist in confirming fit for your specific panel or distribution setup. If you’re unsure about compatibility, you can rely on AmpState to verify the match against your equipment and provide a confident recommendation.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and best practices\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways power down the panel and follow local codes and safety procedures before installation.\u003c\/li\u003e \u003cli\u003eVerify that your panelboard or load center accepts a 1P, 25A plug-on GFCI breaker with 120V operation.\u003c\/li\u003e \u003cli\u003eHandle the breaker by the housing and avoid applying force to the wiring terminals to prevent damage.\u003c\/li\u003e \u003cli\u003eKeep a dedicated spare (like the QF125A) in inventory to reduce project downtime and maintain continuity across builds and repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410880155810,"sku":"QF125A","price":214.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/siemens-qf125a-25a-1p-120v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}