{"product_id":"siemens-sie-5640-12-bf-80tm-circuit-breaker","title":"Siemens | SIE-5640-12-BF-80TM | Circuit Breaker | 80A","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens SIE-5640-12-BF-80TM 80A circuit breaker — a trusted, purpose-built solution for protection, compatibility, and reliable service in maintenance, retrofit, and replacement projects. This unit is designed to align with existing Siemens systems, delivering a seamless fit when you’re refreshing or upgrading electrical protection without rewiring or panel changes.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this specific breaker matters\u003c\/strong\u003e\u003cbr\u003e\nThe SIE-5640-12-BF-80TM carries an exact 80-ampere rating and uses Siemens’ proven design language to ensure predictable protection and trip performance. When shopping for replacements, the part number is the most accurate reference for compatibility, so you can confirm you’re selecting the right model for your panel or switchgear configuration.\u003c\/p\u003e \u003ch3\u003eKey use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: keep critical electrical systems protected with a reliable, in-kind replacement.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or modernize protection in older panels while preserving electrical characteristics.\u003c\/li\u003e \u003cli\u003eReplacement: quick, drop-in substitute for failing or obsolete breakers that match the same specifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacilities engineers maintaining industrial or commercial electrical infrastructure.\u003c\/li\u003e \u003cli\u003eElectrical contractors performing panel retrofits or service calls.\u003c\/li\u003e \u003cli\u003eMaintenance teams that require dependable spares to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problem it solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEliminates guesswork by offering a precise compatibility reference through the dedicated part number SIE-5640-12-BF-80TM.\u003c\/li\u003e \u003cli\u003ePrevents protection gaps in aging or upgraded panels by matching amperage and form-factor exactly to the original installation.\u003c\/li\u003e \u003cli\u003eReduces downtime during service events with a straightforward, predictable replacement process.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 80A\u003c\/li\u003e \u003cli\u003ePart number: SIE-5640-12-BF-80TM\u003c\/li\u003e \u003cli\u003eApplications: maintenance, retrofit, replacement where exact spec matching is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for a successful replacement\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings against the current panel or equipment. Use the part number SIE-5640-12-BF-80TM as the primary compatibility reference, and compare with the existing breaker’s amperage, trip characteristics, and mounting type. When installing, ensure the power is fully shut off and follow all local safety protocols. Keep a spare on hand for critical infrastructure to minimize downtime during routine maintenance or unexpected outages.\u003c\/p\u003e \u003ch3\u003eSiemens reliability, tailored for your needs\u003c\/h3\u003e\n\u003cp\u003eChoosing the Siemens SIE-5640-12-BF-80TM 80A circuit breaker means investing in a component designed for durability, consistent performance, and straightforward compatibility within Siemens-driven electrical systems. It’s an exact-fit solution that helps you maintain protection standards without unnecessary complexity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427210711202,"sku":"SIE-5640-12-BF-80TM","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-sie-5640-12-bf-80tm-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}