{"product_id":"schneider-electric-nsj400n-400amp-400a-3p-600v-circuit-breaker","title":"Schneider Electric NSJ400N-400AMP Circuit Breaker, 400A, 3-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Schneider Electric NSJ400N-400AMP Circuit Breaker is engineered for demanding industrial electrical service, maintenance, and replacement projects. With a 400 A capacity across a solid 3-pole design and a 600 V rating, this unit delivers reliable protection for three-phase systems, motor feeders, and heavy equipment in tough industrial environments.\u003c\/p\u003e \u003ch3\u003eKey advantages that set it apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAuthentic Schneider Electric performance:\u003c\/strong\u003e designed to integrate seamlessly within Schneider panels and accessories for dependable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current, three-pole protection:\u003c\/strong\u003e 400 A capacity across three poles ensures balanced, coordinated protection for all three phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile 600 V compatibility:\u003c\/strong\u003e suitable for a wide range of industrial control panels, feeders, and motor circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number driven compatibility:\u003c\/strong\u003e verify fit by part number NSJ400N-400AMP and alignment with your specific application requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable for service and maintenance:\u003c\/strong\u003e ideal for replacement projects or facility upgrades where long-term reliability matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging or failed breakers in three-phase panels serving heavy machinery or processing lines. \u003c\/li\u003e \u003cli\u003eFeeding three-phase motors and conveyors in manufacturing, packaging, or material handling facilities.\u003c\/li\u003e \u003cli\u003eNew installations where a robust 400 A, 3-pole, 600 V protection device is required for critical equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your operation\u003c\/h3\u003e\n\u003cp\u003eIn industrial settings, a single point of failure can halt production. The NSJ400N-400AMP is built to interrupt fault conditions quickly and safely, helping minimize downtime, protect equipment, and safeguard personnel. By choosing an authentic Schneider Electric breaker, you benefit from a proven lifecycle, better spare-part availability, and maintenance compatibility across Schneider electrical systems.\u003c\/p\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eNotes: Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.\u003c\/p\u003e \u003cp\u003eOperational tips: before replacement, de-energize the panel, follow lockout\/tagout procedures, and ensure wiring size and torque specifications meet the breaker's requirements. Proper labeling and documentation will support smoother future maintenance and inspections.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415971254434,"sku":"NSJ400N-400AMP","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schneider-electric-nsj400n-400amp-circuit-breaker-400a-3-pole-600v-706.webp?v=1789217378","url":"https:\/\/www.ampstate.com\/products\/schneider-electric-nsj400n-400amp-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}