{"product_id":"square-d-fja140601-circuit-breaker","title":"Square D | FJA140601 | Circuit Breaker | 1-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D FJA140601 Circuit Breaker is a dedicated single-pole protection device designed to slot into compatible Square D panels for reliable overcurrent protection. Built for real-world maintenance, retrofit, and replacement projects, it’s the exact part number you want when compatibility matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; part:\u003c\/strong\u003e Square D, part number FJA140601\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for:\u003c\/strong\u003e maintenance, retrofit, and replacement in compatible panels\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering; the part number is the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this exact part matters: mismatched breakers can seat improperly or trip unpredictably. By using the FJA140601, you align with Square D’s design specifications for single-pole protection, preserving the intended electrical characteristics and ensuring safe operation in your panel.\u003c\/p\u003e \u003cp\u003eWho this is for: electricians and DIY enthusiasts working on residential or commercial Square D panels who need a precise, reliable, and readily available replacement part. It’s ideal for service calls, fleet maintenance in facilities, and panel modernization projects where a precise 1-pole breaker is required.\u003c\/p\u003e \u003cp\u003ePractical tips for use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify the panel label and the equipment's ratings before ordering. The part number is your best reference for a precise fit.\u003c\/li\u003e \u003cli\u003eWhen replacing, shut off the main power and test the circuit to confirm there are no residual voltages before installation.\u003c\/li\u003e \u003cli\u003eKeep a small inventory of common single-pole breakers (like FJA140601) for faster field service and reduced downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eAdd to cart\u003c\/strong\u003e to ensure you have the exact Square D FJA140601 1-Pole Circuit Breaker on hand for your next maintenance, retrofit, or replacement project.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426668236962,"sku":"FJA140601","price":1385.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fja140601-circuit-breaker-1-pole-310.webp?v=1789602504","url":"https:\/\/www.ampstate.com\/products\/square-d-fja140601-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}