{"product_id":"square-d-d325n-disconnect-switch","title":"Square D D325N - 400A, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eWhen safety, reliability, and rapid electrical isolation matter most, the Square D D325N stands ready. This 400A fused disconnect switch is purpose-built for demanding industrial and commercial environments where a clear, dependable disconnect under load is non-negotiable. With its robust construction and trusted Square D lineage, you can count on safe, repeatable performance during every shutdown, maintenance, and emergency repair.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise 400A isolation\u003c\/strong\u003e — engineered to reliably interrupt heavy circuits, delivering confident disconnection when it’s most needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafe lockout\/tagout compatibility\u003c\/strong\u003e — designed to support proper safety procedures, helping you meet stringent compliance requirements during maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLong-term durability\u003c\/strong\u003e — built to endure frequent cycling and harsh environments in industrial and commercial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear, practical disconnecting solution\u003c\/strong\u003e — provides a visible, controlled break in power to protect personnel and equipment during service work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage Rating: 400A\u003c\/li\u003e \u003cli\u003eProduct Type: Fused Disconnect Switch\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e \u003cli\u003eModel: D325N\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eElectrical service upgrades in manufacturing facilities, warehouses, and large commercial buildings.\u003c\/li\u003e \u003cli\u003eMaintenance shutdowns and emergency isolation where a reliable, armored disconnect is required.\u003c\/li\u003e \u003cli\u003eIsolation for motors, feeders, and distribution panels where overcurrent protection is essential.\u003c\/li\u003e \u003cli\u003eRetrofits or panel replacements that demand compatibility with existing Square D components and safety standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this product stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic disconnect options, the D325N combines the authoritative Square D engineering with a clear emphasis on safety-forward operation. Its fused design not only provides overcurrent protection but also promotes predictable behavior under load, reducing risk during start-up and shutdown cycles. The unit is purpose-built for environments where windows of maintenance demand a trusted, lockable isolation point, making it a practical cornerstone for safety programs and compliance initiatives.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair the D325N with correctly rated fuses and compatible enclosures to maintain enclosure integrity and safety clearances.\u003c\/li\u003e \u003cli\u003eIntegrate with your lockout\/tagout procedures by using standard hasp and label points to ensure personnel safety during servicing.\u003c\/li\u003e \u003cli\u003ePlan for quarterly inspections of contacts and fuse elements to sustain reliable isolation over time.\u003c\/li\u003e \u003cli\u003eDocument the disconnect location and model details in your maintenance logs to streamline future outages and safety audits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInvesting in the Square D D325N means equipping your facility with a proven, purpose-built solution for safe, reliable electrical isolation. It’s the dependable choice for professionals who demand precise control, durable performance, and straightforward safety workflows in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383775973538,"sku":"D325N","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_0a29025d-5f51-4ea5-849b-60a01cb0700c.png?v=1765254182","url":"https:\/\/www.ampstate.com\/products\/square-d-d325n-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}