{"product_id":"square-d-du221rb-30a-non-fusible-safety-switch","title":"Square D DU221RB - 30A, Non-Fusible, Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D DU221RB 30A Non-Fusible Safety Switch—a rugged, reliable solution built for dependable on\/off isolation in demanding industrial and commercial environments. This disconnect switch is designed to protect personnel and electrical circuits by providing a clear, safe means to de-energize motor loads and branch circuits for service, maintenance, or emergency shutdowns.\u003c\/p\u003e \u003ch2\u003eWhat it is and how it helps\u003c\/h2\u003e\n\u003cp\u003eThe DU221RB is a non-fusible safety switch rated at 30A, intended for applications where a compact, easily maintained disconnect is needed. Because it does not include internal fuses, it offers straightforward maintenance and fast servicing while you rely on upstream protection devices to handle fault current. This makes it an ideal choice for motor disconnects, panelboards, and branch circuits where a reliable, simple isolation point is essential.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e DU221RB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFused:\u003c\/strong\u003e Non-Fusible\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects on conveyor lines, pumps, fans, and other motor-driven equipment\u003c\/li\u003e \u003cli\u003ePanelboard isolation points within control panels and electrical rooms\u003c\/li\u003e \u003cli\u003eBranch circuit protection where a compact, maintainable safety switch is preferred\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat sets it apart\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eProven Square D reliability\u003c\/strong\u003e from a trusted brand in industrial electrical safety\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact footprint\u003c\/strong\u003e designed to fit into tight control panels and electrical spaces without sacrificing performance\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimple maintenance\u003c\/strong\u003e thanks to the non-fusible design, enabling quicker inspections and service without fuse handling\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear isolation\u003c\/strong\u003e—provides a decisive, easily operable disconnect that enhances safety during servicing\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical guidance for deployment\u003c\/h2\u003e\n\u003cp\u003eChoose the Square D DU221RB when you need a dependable 30A disconnect that pairs with downstream protection to guard motor circuits and branch lines. It integrates smoothly into control panels and panelboard assemblies where a robust, easily serviced safety switch is required. For best results, ensure downstream protection devices are correctly sized for your load, and incorporate standard lockout\/tagout practices to maximize safety during maintenance.\u003c\/p\u003e \u003ch2\u003eWhy this matters for your project\u003c\/h2\u003e\n\u003cp\u003eIf your goal is to minimize downtime while preserving safety and control in demanding environments, the DU221RB delivers. It combines a proven safety mechanism with a compact, maintainable design, making it a practical, long-lasting choice for equipment rooms, manufacturing floors, and serviceable control panels where reliable isolation is non-negotiable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390405398690,"sku":"DU221RB","price":530.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_135d7108-70b0-4485-b3b6-5bc1fc2eeb0c.png?v=1765370388","url":"https:\/\/www.ampstate.com\/products\/square-d-du221rb-30a-non-fusible-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}