{"product_id":"square-d-9421-nd3-60a-600v-3-phase-disconnect-switch","title":"Square D 9421-ND3 - 60A, 600V, 3-Phase, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D 9421-ND3—a purpose-built 60A, 600V, 3-Phase Disconnect Switch engineered for reliable motor isolation and targeted overcurrent protection in demanding industrial and commercial environments. This compact, maintainable disconnect point is designed to simplify electrical safety and serviceability without sacrificing performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 9421-ND3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 60A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhase:\u003c\/strong\u003e 3-Phase\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this disconnect switch stands out\u003c\/h2\u003e\n\u003cp\u003eThe 9421-ND3 is built to deliver dependable on\/off isolation exactly where you need it—whether you’re protecting a motor, feeding a panelboard, or safeguarding a branch circuit. Its compact footprint makes it an ideal fit for tight electrical enclosures, service rooms, and crowded equipment spaces where space is at a premium. Beyond the rugged reliability, the design emphasizes maintainability, offering straightforward access for inspection, maintenance, and fuse replacement when required.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in equipment bays, conveyors, pumps, and fan assemblies\u003c\/li\u003e \u003cli\u003ePanelboards requiring a dedicated, easily accessible isolation point\u003c\/li\u003e \u003cli\u003eBranch circuit protection in commercial and light industrial installations\u003c\/li\u003e \u003cli\u003eMain or secondary disconnects in motor control centers where a compact, serviceable switch is advantageous\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eBenefits that matter in real-world operations\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eClear isolation for safety:\u003c\/strong\u003e A dedicated on\/off point reduces the risk during maintenance and troubleshooting.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust 3-phase protection:\u003c\/strong\u003e Handles three-phase loads with consistent performance across phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating for versatility:\u003c\/strong\u003e Suitable for a wide range of motors and feeders in industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, space-saving design:\u003c\/strong\u003e Fits into tight panels and electrical rooms without compromising accessibility.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly:\u003c\/strong\u003e Designed for straightforward servicing and fuse-related maintenance when required, helping you minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho's it for\u003c\/h2\u003e\n\u003cp\u003eIdeal for facilities needing a reliable, space-efficient disconnect for motor circuits, panelboard feeders, and branch protections. It's well-suited for electrical contractors, facilities engineers, and maintenance teams tasked with improving safety, reducing downtime, and streamlining panel layouts in factories, warehouses, and commercial operations.\u003c\/p\u003e \u003ch2\u003ePractical tips for getting the most from your 9421-ND3\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eConfirm circuit wiring aligns with the 60A, 600V, 3-phase specification to ensure optimal protection and performance.\u003c\/li\u003e \u003cli\u003eLabel line and load connections clearly to speed maintenance and reduce the chance of miswiring during servicing.\u003c\/li\u003e \u003cli\u003ePlan for periodic inspections of the disconnect mechanism to verify smooth operation and reliable isolation.\u003c\/li\u003e \u003cli\u003eIf incorporating fusing options, follow manufacturer guidance for fuse type and replacement parts to maintain protection integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390395338914,"sku":"9421-ND3","price":1186.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_46a7b33d-75bc-4b13-9008-711f27e52fbe.png?v=1765370152","url":"https:\/\/www.ampstate.com\/products\/square-d-9421-nd3-60a-600v-3-phase-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}