{"product_id":"square-d-du323-disconnect-switch-3","title":"Square D DU323 - 100A, 240V, 3-Pole, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D DU323 — 100A, 240V, 3-Pole, Fused Disconnect Switch is engineered for industrial environments that demand safe, reliable electrical isolation. This high-performance fused disconnect is purpose-built to support proper lockout\/tagout procedures and provide dependable disconnection under load, delivering long-term durability in demanding settings.\u003c\/p\u003e \u003ch2\u003eKey benefits that matter in the field\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 100A, 240V design\u003c\/strong\u003e shields three live conductors with a single, consolidated disconnect, streamlining installation and maintenance across complex equipment and feeders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFused protection\u003c\/strong\u003e integrates overcurrent protection directly into the disconnect, helping to minimize arcing and protect downstream equipment during faults or servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade reliability\u003c\/strong\u003e built by Square D delivers consistent performance in harsh environments, reducing nuisance trips and downtime over the life of the switch.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/Tagout readiness\u003c\/strong\u003e engineered to support standard safety protocols, making it easier to lock out sources during maintenance and ensuring personnel safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafe, controlled isolation under load\u003c\/strong\u003e designed to provide a clean, mechanical path for disconnecting power without compromising safety or equipment integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor control centers and heavy machinery feeders in manufacturing and processing facilities\u003c\/li\u003e \u003cli\u003eElectrical service entrances and distribution panels requiring local isolation for maintenance\u003c\/li\u003e \u003cli\u003eIndustrial HVAC and process equipment where rapid, reliable disconnection is essential\u003c\/li\u003e \u003cli\u003eFacilities requiring clear, enforceable lockout\/tagout points to protect technicians\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this fuse-based disconnect stands out\u003c\/h2\u003e\n\u003cp\u003eUnlike non-fused switches, the DU323 provides built-in protection that helps control fault energy and protects both personnel and equipment during electrical work. Its robust construction stands up to frequent operation, while the fused design allows you to pair the disconnect with the appropriate fuse type and rating for your specific circuit, giving you tailored protection without compromising accessibility.\u003c\/p\u003e \u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 100A\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 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 DU323\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical guidance for installation and maintenance\u003c\/h2\u003e\n\u003cp\u003eInstall by a qualified electrician following local electrical codes and safety standards. Use proper lockout\/tagout procedures to secure the disconnect during maintenance. Regularly inspect fuse readiness and replace any blown fuses promptly to maintain protective performance. When in doubt, pair the DU323 with compatible Square D accessories to ensure a seamless, code-compliant installation that lasts for years of service.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383511994530,"sku":"DU323","price":810.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_9f9ea731-ecb7-4ddd-9ecd-68b1fa7c3d43.png?v=1765249799","url":"https:\/\/www.ampstate.com\/products\/square-d-du323-disconnect-switch-3","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}