{"product_id":"schneider-electric-a9f18640-circuit-breaker","title":"Schneider Electric | A9F18640 | Circuit Breaker | 40A","description":"\u003cdiv\u003e\n\u003cstrong\u003eSchneider Electric A9F18640 40A Circuit Breaker\u003c\/strong\u003e — a precise, field-ready protection device designed to keep electrical circuits safe and dependable in maintenance, retrofit, and replacement scenarios. This 40A unit is part of Schneider Electric's trusted lineup, engineered to deliver exact form, fit, and function in compatible panels. Why this model stands out\nThis breaker isn’t just rated for 40A; it’s a meticulous match for systems that specify the A9F18640 part reference. When your panel, distribution board, or control cabinet calls for A9F18640, this unit slides in as the original, providing reliable overcurrent protection where it matters most. Key details at a glance\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A — designed to protect mid-range circuits within the panel’s design limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e A9F18640 — use this exact reference to confirm fit and compatibility with Schneider Electric panels and the intended model family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest compatibility reference:\u003c\/strong\u003e The part number serves as the definitive guide for ensuring correct panel type, bus connection, and mounting style.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal use cases:\u003c\/strong\u003e maintenance of existing installations, retrofit projects to restore original protection, and replacements when a 40A device is required.\u003c\/li\u003e\n\u003c\/ul\u003e Practical value and outcomes\n\u003cul\u003e\n\u003cli\u003eMinimize downtime by selecting a unit designed to integrate with your current Schneider Electric system, reducing fit issues during service.\u003c\/li\u003e\n\u003cli\u003eMaintain consistent protection levels across the panel by using the exact product referenced in installation manuals and electrical schematics.\u003c\/li\u003e\n\u003cli\u003ePreserve equipment warranties and compliance by sticking to the manufacturer’s specified part number for replacements.\u003c\/li\u003e\n\u003c\/ul\u003e Ordering guidance\n\u003cul\u003e\n\u003cli\u003eBefore ordering, confirm fit and ratings against your panel label and installation schematics. The A9F18640 part number is the definitive compatibility reference for this model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":46426668761250,"sku":"A9F18640","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/schneider-electric-a9f18640-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}