{"product_id":"square-d-h221nrb-disconnect-switch-7","title":"Square D H221NRB - 30A, Heavy Duty Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D \u003cstrong\u003eH221NRB\u003c\/strong\u003e is a 30A heavy-duty safety switch engineered to deliver reliable electrical isolation in demanding industrial and commercial environments. Designed to support proper lockout\/tagout procedures, this switch provides a dependable disconnection under load, giving maintenance teams and operators a clear, safe path to service and repair work while reducing risk.\u003c\/p\u003e \u003ch2\u003eWhy the H221NRB stands out\u003c\/h2\u003e\n\u003cp\u003eFrom the moment you install the \u003cstrong\u003eH221NRB\u003c\/strong\u003e, you’ll notice a focus on safety, durability, and practical functionality that keeps facilities running smoothly. Key advantages include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e30A amperage rating for robust control of moderate power circuits commonly found in equipment rooms, manufacturing lines, and service panels.\u003c\/li\u003e \u003cli\u003eHeavy-duty construction designed to withstand the rigors of regular switching, providing long-term durability in busy environments.\u003c\/li\u003e \u003cli\u003eBuilt to support lockout\/tagout procedures, helping technicians isolate energy sources confidently during maintenance.\u003c\/li\u003e \u003cli\u003eReliable disconnection under load, reducing the potential for unexpected energization during service events.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eThis safety switch is well suited for installations where personnel safety and quick, clear isolation are critical. Typical scenarios include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEquipment maintenance and servicing in manufacturing floors, warehouses, and facilities management spaces.\u003c\/li\u003e \u003cli\u003eEnergy isolation for machine resets, line changes, and preventative maintenance cycles.\u003c\/li\u003e \u003cli\u003eLocal isolation points in control panels and electrical closets where clear, immediate disconnection is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat sets it apart from alternatives\u003c\/h2\u003e\n\u003cp\u003eUnlike lighter-duty disconnects, the \u003cstrong\u003eH221NRB\u003c\/strong\u003e is purpose-built for environments that demand ongoing reliability and straightforward energy control. Its emphasis on safe disconnection under load paired with lockout\/tagout compatibility translates to tangible safety benefits, reduced downtime due to electrical faults, and a simpler compliance path for facilities following standard safety protocols.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage rating: 30A\u003c\/li\u003e \u003cli\u003eProduct type: Heavy Duty Safety Switch\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e \u003cli\u003eModel: H221NRB\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips for maximum value\u003c\/h2\u003e\n\u003cp\u003eTo get the most from the Square D H221NRB, align its installation with your facility’s LOTO procedures, label the switch clearly, and integrate it into routine maintenance checklists. Regularly verify the switch’s mechanical operation and ensure the disconnect point remains accessible to authorized personnel. When used as part of a comprehensive safety strategy, this switch helps protect workers, streamline servicing, and maintain uninterrupted production in busy industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383757918370,"sku":"H221NRB","price":610.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_29efac39-879f-47ce-b301-22bded7b3470.png?v=1765253643","url":"https:\/\/www.ampstate.com\/products\/square-d-h221nrb-disconnect-switch-7","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}