{"product_id":"square-d-lhf36400-circuit-breaker","title":"Square D | LHF36400 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LHF36400 Circuit Breaker — a purpose-built 3-Pole protector designed for reliable performance in 3‑phase electrical systems. Identified by the exact part number LHF36400, this unit is ideal for maintenance, retrofit, and replacement projects where precise compatibility matters. Relying on the part number ensures you match the right specifications for your Square D panel or switchgear without guesswork.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: LHF36400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest compatibility reference\u003c\/strong\u003e: The part number is the most reliable guide for fitment with your equipment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended applications\u003c\/strong\u003e: Maintenance, retrofit, and replacement scenarios\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrdering guidance\u003c\/strong\u003e: Confirm fit and ratings before purchasing to ensure seamless integration\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePrecision fit for Square D panels and switchgear that require a 3-pole protective device, helping maintain safe and coordinated protection across your distribution system.\u003c\/li\u003e \u003cli\u003eMinimizes downtime and rework by using a definitive part number as the compatibility reference, reducing the risk of mismatched components.\u003c\/li\u003e \u003cli\u003eStreamlines procurement and inventory management with a single, identifiable part number that aligns with maintenance and cross-reference workflows.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance routines in facilities with existing Square D infrastructure that need a dependable 3-pole breaker replacement.\u003c\/li\u003e \u003cli\u003eRetrofit projects where older protection devices must be upgraded to modern, compatible components without altering panel configurations.\u003c\/li\u003e \u003cli\u003eReplacement scenarios where ongoing service depends on exact part-number compatibility to preserve protection coordination and trip characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for purchasing and installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eKeep the LHF36400 part number handy in maintenance logs and procurement records for quick future replacements.\u003c\/li\u003e \u003cli\u003eBefore ordering, verify that your panel or switchgear requirements align with a 3-pole protection device and use the part number as the primary compatibility reference.\u003c\/li\u003e \u003cli\u003ePlan replacements during scheduled maintenance to ensure system protection remains continuous and properly coordinated with surrounding breakers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426631274658,"sku":"LHF36400","price":37031.0,"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\/square-d-lhf36400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}