{"product_id":"square-d-la400awk-400a-3p-600v-circuit-breaker","title":"Square D LA400AWK 400A 3P 600V Circuit Breaker, NEMA 3R | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D LA400AWK 400A 3P 600V Circuit Breaker — a rugged, reliability-first solution designed for panelboards, load centers, and electrical distribution. With a 400 amp 3-pole configuration and a 600V rating, this breaker delivers robust protection for demanding, multi-phase systems. Its NEMA 3R enclosure rating means dependable performance in outdoor or weather-exposed installations, so you can protect critical circuits without sacrificing versatility.\u003c\/p\u003e \u003cp\u003e engineered for retrofit work and maintenance planning, the LA400AWK helps keep procurement simple by maintaining the exact part number you rely on. That consistency reduces downtime and compatibility risk when upgrading or replacing protective devices in established electrical systems.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A, 3-pole, 600 V\u003c\/strong\u003e protection for large-drawing, three-phase circuits\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNEMA 3R\u003c\/strong\u003e weather-resistant enclosure for outdoor and sheltered indoor applications\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboards, load centers, and electrical distribution\u003c\/strong\u003e compatibility for seamless integration into existing gear\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number stability\u003c\/strong\u003e supports retrofit projects and ongoing maintenance without procurement surprises\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState availability\u003c\/strong\u003e ensures quick access when you need a reliable replacement\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho this is for: facilities engineers overseeing retrofits or routine maintenance in commercial or industrial settings; electricians and contractors needing dependable, 3-phase protection for 600V systems; and procurement teams prioritizing consistent part numbers to minimize inventory complexity.\u003c\/p\u003e \u003cp\u003ePractical use cases include outdoor feeders to protection-critical equipment, upgrades to expand or modernize electrical distribution, and maintenance planning where preserving the exact LA400AWK model simplifies stocking and service schedules.\u003c\/p\u003e \u003cp\u003eCompared to other 400A, 3-pole solutions, the LA400AWK combines Square D’s trusted design with a weather-rated enclosure, reducing rework when upgrading infrastructure and maintaining the same protection geometry and compatibility across your distribution network.\u003c\/p\u003e \u003cp\u003eReady to secure reliable protection? \u003cstrong\u003eAmpState\u003c\/strong\u003e has the LA400AWK in stock. Need help matching a part number or confirming compatibility? \u003cem\u003eMessage us\u003c\/em\u003e and we'll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411113726114,"sku":"LA400AWK","price":10.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/square-d-la400awk-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}