{"product_id":"siemens-qa120afcp","title":"Siemens QA120AFCP 120A 1-Pole 120 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens QA120AFCP 120A 1-Pole 120 V Circuit Breaker with Potential Transformer\u003c\/strong\u003e is a purpose-built protective device engineered for reliable overcurrent protection in both residential and light commercial electrical systems. Featuring a 120 A current rating and a 120 V operating voltage, this Siemens circuit breaker delivers precise, dependable protection for single‑phase circuits while offering integration potential with monitoring and metering setups thanks to its potential transformer configuration.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e120 A current rating\u003c\/strong\u003e provides robust protection for feeders and branch circuits in standard 120 V layouts, helping prevent overheating and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e1-pole design\u003c\/strong\u003e supports single‑phase circuits, making it ideal for streamlined protection in compact panel spaces or simplified wiring runs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePotential transformer capability\u003c\/strong\u003e indicated by the model designation enables compatibility with remote sensing, metering, and protection-relay interfaces, giving you greater visibility and control over load conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens build and compatibility\u003c\/strong\u003e—designed to pair with Siemens panels and distribution systems for reliable performance and consistent protection characteristics across your electrical installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eResidential electrical panels protecting individual branch circuits and feeders at 120 V, with optional monitoring integration for energy management.\u003c\/li\u003e \u003cli\u003eSmall to medium commercial environments needing a dependable, single‑pole protection solution that also supports metering or relay interfaces.\u003c\/li\u003e \u003cli\u003eProjects requiring a clearly specified 120 A, 1-pole device that aligns with Siemens’ engineering standards and field service expectations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility and ensure the package aligns with your distribution setup and local electrical codes.\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque and installation guidelines to maintain optimal performance and safety margins.\u003c\/li\u003e \u003cli\u003eLabel the breaker clearly in the electrical panel to simplify future inspections and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Siemens QA120AFCP means opting for a trusted, purpose-driven solution that not only protects circuits at 120 V but also opens the door to streamlined monitoring and integration with protection-relay and metering workflows. For electricians and electrical engineers seeking a precise, reliable 120 V single‑pole protection device with thoughtful compatibility features, this model delivers dependable performance backed by Siemens engineering excellence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423399202978,"sku":"QA120AFCP","price":386.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qa120afcp-120a-1-pole-120-v-circuit-breaker-potential-566.webp?v=1789303762","url":"https:\/\/www.ampstate.com\/products\/siemens-qa120afcp","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}