{"product_id":"square-d-lda36400cu33x-circuit-breaker","title":"Square D | LDA36400CU33X | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LDA36400CU33X Circuit Breaker — a robust, industrial-grade overcurrent protection device designed to safeguard large electrical systems. With a 400A rating, 3 poles, and a 600V operating envelope, this breaker is built to handle demanding environments where reliability matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e LDA36400CU33X\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis model is specifically suited for maintenance, retrofit, and replacement projects where exact specifications must be matched. The part number is the best reference for compatibility, ensuring you select a unit that fits your panel and protection requirements without guesswork.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the LDA36400CU33X for your electrical system?\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReliable \u003cem\u003eovercurrent protection\u003c\/em\u003e for large distribution panels and service equipment, helping prevent damage from overloads and short circuits.\u003c\/li\u003e \u003cli\u003eLong-term durability in demanding environments, backed by Square D’s emphasis on safety and consistent performance.\u003c\/li\u003e \u003cli\u003eClear identification and traceability through the exact part number, simplifying ordering and maintenance records.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRetrofits: upgrade or replace aging protection devices in existing Square D installations that require a 400A, 3-pole, 600V breaker.\u003c\/li\u003e \u003cli\u003eMaintenance: quickly restore critical circuits in industrial or commercial panels to minimize downtime.\u003c\/li\u003e \u003cli\u003eReplacement: swap-in for compatible Square D panels that specify the LDA series or matching specifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical guidance for a smooth purchase\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eBefore ordering, verify compatibility with your panel by checking fit and ratings. Remember: the part number LDA36400CU33X is your most reliable reference for ensuring a proper match to your equipment and protection scheme.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424750751906,"sku":"LDA36400CU33X","price":14842.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-lda36400cu33x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}