{"product_id":"square-d-du321-30a-240v-3-phase-switch","title":"Square D DU321 - 30A, 240V, 3-Phase, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D DU321 - 30A, 240V, 3-Phase Switch is built for reliability in demanding industrial and commercial settings. This compact, maintainable fusible switch delivers dependable on\/off isolation and robust overcurrent protection, helping you safeguard motors, control panels, and branch circuits without sacrificing valuable space.\u003c\/p\u003e \u003ch4\u003eKey benefits that matter in real-world operation\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, maintainable design\u003c\/strong\u003e: engineered to fit tight panel spaces while offering straightforward access for routine maintenance and quick servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase efficiency\u003c\/strong\u003e: 3-Phase operation supports balanced loads and dependable motor control across industrial equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable isolation and protection\u003c\/strong\u003e: provides safe disconnection combined with overcurrent protection to help minimize downtime and equipment wear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile power rating\u003c\/strong\u003e: 30A at 240V makes it suitable for a range of motor disconnects, panelboards, and branch circuit protection needs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, purpose-built for tough environments\u003c\/strong\u003e: designed to endure the rigors of industrial and commercial installations where performance matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DU321\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3-Phase\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eIdeal applications\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in light to medium-duty industrial equipment and processing lines\u003c\/li\u003e \u003cli\u003ePanelboard isolation points where space is at a premium\u003c\/li\u003e \u003cli\u003eBranch circuit protection in control cabinets and equipment enclosures\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eWhy choose the DU321 for your electrical protection needs\u003c\/h4\u003e\n\u003cp\u003eIf you’re balancing safety, reliability, and space in a busy facility, the DU321 offers a practical, all-in-one solution. It pairs easy on\/off control with built-in protection, reducing complex wiring and enabling faster maintenance cycles. Its 3-phase capability ensures smooth operation for multi-motor systems, while the 30A, 240V rating covers a wide range of common industrial loads.\u003c\/p\u003e \u003ch4\u003ePractical tips for deployment\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003ePlan layout in your control panel to minimize wire routing and maximize accessibility for routine checks.\u003c\/li\u003e \u003cli\u003eInstall in accordance with local electrical codes and your facility’s motor protection strategy to ensure optimal safety and performance.\u003c\/li\u003e \u003cli\u003ePair with appropriate fusing and protective devices as part of a coordinated motor control scheme to protect both the switch and connected equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390402973858,"sku":"DU321","price":276.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_35e77fb0-8424-4da2-897b-37c0ee6e1cc9.png?v=1765370311","url":"https:\/\/www.ampstate.com\/products\/square-d-du321-30a-240v-3-phase-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}