{"product_id":"square-d-la36400-400a-3p-600v-circuit-breaker","title":"Square D LA36400 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D LA36400 400A 3P 600V circuit breaker is built for everyday electrical work, delivering dependable circuit protection for panelboards, load centers, and electrical distribution systems. Designed with retrofit and maintenance in mind, this 3-pole breaker keeps your service consistent by using the same part number across projects, reducing downtime and confusion during replacements.\u003c\/p\u003e \u003cp\u003eWhy choose the LA36400 for your electrical panel?\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity protection\u003c\/strong\u003e: 400 A rating supports main feeders in mid-to-large commercial and light industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e: Provides balanced protection across three phases for reliable, synchronized operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V suitability\u003c\/strong\u003e: Ready for typical commercial\/industrial distribution networks and equipment ratings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-friendly continuity\u003c\/strong\u003e: Part number LA36400 is ideal for retrofit work and long-term maintenance planning, helping ensure compatibility with existing Square D installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted brand\u003c\/strong\u003e: Square D (Schneider Electric) reliability and widely supported parts ecosystem.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailable from AmpState\u003c\/strong\u003e: Easy to source, with support to confirm fit if you’re matching a specific part number.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases include upgrading main feeders in panelboards and load centers, replacing failed breakers in established electrical distributions, and coordinating maintenance plans where a stable part number matters. This 400A 3P 600V circuit breaker is a practical, durable choice for ensuring consistent protection and service continuity in commercial and industrial environments.\u003c\/p\u003e \u003cp\u003eSpecifications\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LA36400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410888937634,"sku":"LA36400","price":7881.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/square-d-la36400-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}