{"product_id":"siemens-s44b-250a-circuit-breaker","title":"Siemens S44B 250A Circuit Breaker, NEMA 1 | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens S44B 250A Circuit Breaker\u003c\/strong\u003e, housed in a rugged NEMA 1 enclosure, is engineered to deliver dependable circuit protection for panelboards, load centers, and electrical distribution systems. Built for everyday electrical work, this breaker is a reliable choice when you need solid performance in indoor, dry environments.\u003c\/p\u003e \u003cp\u003eWhy this S44B stands out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e250 A protection\u003c\/strong\u003e—powerful amperage rating suitable for main feeders and high-demand circuits within commercial or light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNEMA 1 enclosure\u003c\/strong\u003e—compact, durable construction designed for indoor installations that require solid protection against dust and incidental contact.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number stability\u003c\/strong\u003e—retrofitting or maintenance projects benefit from keeping the exact S44B part number to ensure a seamless fit and consistent electrical characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanel and distribution compatibility\u003c\/strong\u003e—specifically designed to work with Siemens panelboards and load centers, helping preserve mounting, bus connections, and reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState availability\u003c\/strong\u003e—readily available from AmpState to support timely procurement and project scheduling.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases and scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where maintaining a consistent part number minimizes changes to wiring diagrams, mounting locations, and service documentation.\u003c\/li\u003e \u003cli\u003eMaintenance planning for facilities with existing Siemens infrastructure, ensuring continued compatibility and predictable replacement cycles.\u003c\/li\u003e \u003cli\u003eNew installations in indoor electrical rooms or dry locations that require robust, high-capacity protection up to 250 A.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations to maximize success:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify the panelboard or load center accepts a 250 A Siemens S44B and that the surrounding enclosure meets your installation’s environmental requirements.\u003c\/li\u003e \u003cli\u003eCross-check the existing system’s protection scheme to ensure the 250 A rating aligns with upstream protection and desired fault-current coordination.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about fit or compatibility, AmpState offers guidance to confirm whether the S44B is the right match for your specific panel and bus configuration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to add reliability to your electrical distribution? \u003cstrong\u003eSiemens S44B 250A Circuit Breaker\u003c\/strong\u003e is available from AmpState. If you need help confirming compatibility or matching a part number, message us and we’ll help you verify fit and placement in your system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413749551266,"sku":"S44B","price":1367.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/siemens-s44b-250a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}