{"product_id":"square-d-d221nrb-30a-general-duty-safety-switch","title":"Square D D221NRB - 30A, General-Duty, Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D \u003cstrong\u003eD221NRB\u003c\/strong\u003e 30A General-Duty Safety Switch is a rugged solution built for reliable on\/off isolation and dependable overcurrent protection in demanding industrial and commercial environments. Designed for straightforward serviceability, this compact fusible switch delivers clear, predictable performance where it’s needed most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e D221NRB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDuty:\u003c\/strong\u003e General\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal applications:\u003c\/strong\u003e motor disconnects, panelboards, and branch circuit protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKey design:\u003c\/strong\u003e compact, maintainable fusible switch for easy installation and servicing\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this safety switch matters in real-world setups\u003c\/h2\u003e\n\u003cp\u003eIn busy facilities, motor-driven equipment and distribution panels demand a reliable disconnect that you can operate quickly and safely. The D221NRB provides robust isolation to perform maintenance outages without compromising system integrity. Its general-duty rating is purpose-built for common control circuits and branch circuits, making it a practical choice for mid-sized machines and distribution enclosures.\u003c\/p\u003e \u003ch2\u003eWho benefits most\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eFacility maintenance teams seeking a space-efficient disconnect for motor loads\u003c\/li\u003e \u003cli\u003eElectrical technicians integrating a dependable panelboard protection point\u003c\/li\u003e \u003cli\u003eMechanical engineers designing compact control and power distribution solutions\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow it stands out from the essentials\u003c\/h2\u003e\n\u003cp\u003eBeyond basic specs, the D221NRB emphasizes long-term usability in demanding environments. Its compact footprint helps maximize enclosure space, while the design prioritizes straightforward testing and servicing—reducing downtime during inspections or component replacements. This makes it a practical upgrade over larger, more cumbersome switches in applications where both safety and space efficiency are critical.\u003c\/p\u003e \u003cp\u003eFor reliable power isolation and targeted protection in motor circuits, distribution panels, and branch circuits, the Square D D221NRB 30A General-Duty Safety Switch combines sturdy construction with thoughtful maintenance features, delivering peace of mind in everyday operations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390411198626,"sku":"D221NRB","price":542.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-d221nrb-30a-general-duty-safety-switch-642.webp?v=1788876331","url":"https:\/\/www.ampstate.com\/products\/square-d-d221nrb-30a-general-duty-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}