{"product_id":"square-d-h321nrb-disconnect-switch-3","title":"Square D H321NRB - 30A, Heavy Duty Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cstrong\u003eSquare D H321NRB\u003c\/strong\u003e — a 30A Heavy Duty Safety Switch designed for industrial and commercial environments where safe electrical isolation and dependable disconnection are non-negotiable. Built to endure daily use, this switch supports proper lockout\/tagout procedures and delivers consistent performance when it matters most.\u003c\/p\u003e \u003ch3\u003eWhy this safety switch stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e30 Ampere rating\u003c\/strong\u003e for reliable isolation of individual circuits and equipment without overkill for lighter duty setups. This balance helps you protect personnel and equipment while keeping service interruptions efficient.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy‑duty construction\u003c\/strong\u003e purpose‑built for demanding environments, delivering long‑term durability and dependable operation in busy facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafe isolation with lockout\/tagout compatibility\u003c\/strong\u003e purposefully designed to integrate into established safety programs, allowing technicians to isolate power securely during maintenance or repairs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePositive disconnection under load\u003c\/strong\u003e to ensure circuits are reliably opened even when equipment is energized, reducing risk during servicing and safeguarding downstream electrical components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eService disconnects for industrial machinery and commercial equipment where quick, safe de‑energization is critical.\u003c\/li\u003e \u003cli\u003eMaintenance windows and outage planning that require a clear, lockable power isolation point.\u003c\/li\u003e \u003cli\u003eFacilities across manufacturing floors, distribution centers, and large commercial spaces that rely on dependable electrical safety infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you gain with the Square D H321NRB\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eClear, localized electrical isolation\u003c\/strong\u003e—a dedicated switch that minimizes exposure and simplifies safety procedures during maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperational reliability\u003c\/strong\u003e—engineered for longevity so your safety system stands up to routine use and occasional heavy loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined safety compliance\u003c\/strong\u003e—a practical component that supports consistent lockout\/tagout practices and safer work environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeamless integration\u003c\/strong\u003e—designed to fit into a variety of industrial and commercial electrical configurations as a dedicated safety disconnector.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Heavy Duty Safety Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e H321NRB\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the \u003cstrong\u003eSquare D H321NRB\u003c\/strong\u003e when you need a trusted, purpose-built safety switch that prioritizes safe isolation, reliable disconnection under load, and easy alignment with lockout\/tagout programs. It’s the practical, durable solution for modern facilities that demand both safety and efficiency from their electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383561244834,"sku":"H321NRB","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_92cf9602-2085-4eb7-b99e-5db462a33738.png?v=1765250427","url":"https:\/\/www.ampstate.com\/products\/square-d-h321nrb-disconnect-switch-3","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}