{"product_id":"schneider-electric-nsx400l-4p-circuit-breaker","title":"Schneider Electric | NSX400L-4P | Circuit Breaker | 400A | 4-Pole | 415V","description":"\u003cdiv\u003e\n\u003cp\u003eSchneider Electric NSX400L-4P is a robust 400 Amp, 4-pole circuit breaker engineered for demanding industrial power distribution at 415V. Designed for maintenance, retrofit, or replacement projects, this unit provides a precise match to existing NSX gear, ensuring seamless integration and uninterrupted protection where exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 400 A — powerful protection for heavy loads in manufacturing lines, processing plants, or large equipment rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole — protects all three phases plus neutral in 3-phase, 4-wire systems, delivering balanced, reliable interruption across the network.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 415V — compatible with common industrial and European distribution schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e The NSX400L-4P part number is the most reliable reference for fit, making it the preferred choice for replacements or retrofits within Schneider Electric NSX-based panels and switchgear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries and reliability:\u003c\/strong\u003e Part of the trusted NSX family, a modular low-voltage protection solution designed to withstand demanding industrial environments and coordinate with downstream protection schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use scenarios include replacing a failed breaker in a 3-phase 415V distribution panel, performing retrofit upgrades to bring legacy gear up to current protection standards, or performing routine maintenance on equipment that requires exact-specification interchanges to maintain safety and reliability.\u003c\/p\u003e \u003cp\u003ePractical guidance for buyers:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering—the NSX400L-4P part number is your best reference for compatibility with existing equipment.\u003c\/li\u003e \u003cli\u003eVerify that your system operates at 415V and utilizes a 4-pole configuration to ensure proper operation and protection coordination.\u003c\/li\u003e \u003cli\u003eCheck surrounding switchgear, mounting clearances, and wiring arrangements to support correct installation and safe electrical connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for installation and long-term reliability:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eStore spares in a clean, dry environment to prevent corrosion and expedite replacements during maintenance windows.\u003c\/li\u003e \u003cli\u003eFollow Schneider Electric installation guidelines for torque and wiring practices to maintain optimal protection performance.\u003c\/li\u003e \u003cli\u003ePlan replacement in alignment with protection relay coordination and system downtime to minimize impact on production.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":46426279444642,"sku":"NSX400L-4P","price":2010.0,"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\/schneider-electric-nsx400l-4p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}