{"product_id":"siemens-nfk3b250l-circuit-breaker","title":"Siemens NFK3B250L - Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens NFK3B250L molded case circuit breaker is engineered to protect your electrical system with precision in panelboards and loadcenters. Designed for reliable branch circuit overcurrent and short-circuit protection, this breaker blends compact sizing with dependable performance for a wide range of installations.\u003c\/p\u003e \u003ch2\u003eWhy the NFK3B250L stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space, making it ideal for installations where space is at a premium while still delivering robust protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection. The thermal element responds to gradual overloads, while the magnetic element swiftly trips on short circuits, reducing nuisance trips and safeguarding wiring and devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is built around seamless integration with matching Siemens loadcenters and panelboards, ensuring straightforward replacements and reliable system coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application range\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments, delivering consistent protection across diverse electrical demands.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat this means for your electrical system\u003c\/h2\u003e\n\u003cp\u003eWith the NFK3B250L, you’re choosing a protective device that not only blocks harmful surge and fault currents but also maintains predictable performance across varying temperatures and load conditions. The result is fewer unexpected trips, safer circuits, and smoother operation of your panels and connected equipment.\u003c\/p\u003e \u003ch2\u003eUse cases and practical benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboard upgrades\u003c\/strong\u003e - modernize protection in existing Siemens panelboards with a matching, plug-in compatible breaker to restore optimal protection without extensive rework.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNew installations\u003c\/strong\u003e - deploy in residential or light commercial panels where compact form factors free up space for wiring and future expansion.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpare protection\u003c\/strong\u003e - keep on hand as a ready-to-install solution for quick response to wiring updates or small-scale commercial projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability-centric projects\u003c\/strong\u003e - choose when stable, repeatable trip characteristics are essential to safeguard sensitive loads and equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\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 NFK3B250L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for installers who demand dependable protection without sacrificing panel space or compatibility, the Siemens NFK3B250L delivers precise trip performance and straightforward integration with Siemens OEM loadcenters and panelboards. Whether you're upgrading a panel, expanding a commercial space, or stocking a reliable spare, this molded case breaker provides the protection you can trust for years of steady operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355137069218,"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_fa36732b-4fd3-44ab-98a4-34645fd0fb43.png?v=1764689555","url":"https:\/\/www.ampstate.com\/products\/siemens-nfk3b250l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}