{"product_id":"square-d-h321n-disconnect-switch-6","title":"Square D H321N - 30A, 240V, 3-Pole, Heavy Duty Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D H321N is a purpose-built, high-performance Heavy Duty Fused Disconnect Switch engineered for demanding industrial and commercial environments. With a \u003cstrong\u003e30A\u003c\/strong\u003e rating at \u003cstrong\u003e240V\u003c\/strong\u003e and a \u003cstrong\u003e3-Pole\u003c\/strong\u003e configuration, it delivers safe, reliable electrical isolation when you need to disconnect power quickly and confidently. \u003c\/p\u003e \u003ch2\u003eWhy the H321N stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eComplete three-phase isolation\u003c\/strong\u003e—the 3-pole design ensures all hot legs are safely disconnected, minimizing arc risk and enabling safe maintenance on 3-phase equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafe, reliable disconnection under load\u003c\/strong\u003e—engineered to interrupt current cleanly, supporting service and repair work without compromising safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy-duty construction\u003c\/strong\u003e built for long-term durability in harsh environments, delivering consistent performance across shifts and seasons.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/Tagout compatibility\u003c\/strong\u003e—designed to support proper lockout\/tagout procedures, helping facilities maintain rigorous safety and compliance standards during maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustry-ready choice\u003c\/strong\u003e from Square D, a trusted name in electrical protection and control, offering dependable isolation for critical equipment and panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor control centers, conveyors, pumps, fans, and other 3-phase machinery\u003c\/li\u003e \u003cli\u003eMaintenance disconnects for industrial and commercial equipment\u003c\/li\u003e \u003cli\u003eControl panels and power distribution where immediate, clear isolation is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat this means for you\u003c\/h2\u003e\n\u003cp\u003eWith the Square D \u003cstrong\u003eH321N\u003c\/strong\u003e, you gain a dedicated safety switch that not only protects personnel during servicing but also supports reliable uptime for your operations. The fused design provides necessary overcurrent protection, helping coordinate with downstream protection devices and reducing the potential for damage during faults. Whether you’re outfitting a new panel or upgrading an aging disconnect, the H321N delivers clear performance you can depend on day after day.\u003c\/p\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Heavy Duty Fused Disconnect Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e H321N\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReady to enhance safety and reliability in your electrical installations? Choose the Square D \u003cstrong\u003eH321N\u003c\/strong\u003e for a robust, purpose-built solution that keeps your systems secure and your maintenance teams protected. Add to cart today and equip your panels with a trusted disconnect you can depend on.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383708766370,"sku":"H321N","price":410.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-h321n-30a-240v-3-pole-heavy-duty-fused-disconnect-switch-179.webp?v=1788820570","url":"https:\/\/www.ampstate.com\/products\/square-d-h321n-disconnect-switch-6","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}