{"product_id":"square-d-h321nrb-disconnect-switch-7","title":"Square D H321NRB - 30A, 240V, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D H321NRB is a purpose-built 30A, 240V disconnect switch designed for demanding industrial and commercial environments where safe, reliable electrical isolation is non-negotiable. Built to support proper lockout\/tagout procedures, this switch delivers dependable disconnection under load, helping technicians service equipment safely and efficiently while reducing downtime.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey advantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e30A at 240V\u003c\/strong\u003e capacity tailored for control circuits, motor starters, and equipment disconnects common in industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/Tagout compatibility\u003c\/strong\u003e supports safe servicing workflows, ensuring energy isolation is clearly communicated and verifiable before maintenance begins.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUnder-load disconnection\u003c\/strong\u003e provides reliable shutdown even when equipment is energized, improving safety during routine checks and repairs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e designed to withstand the rigors of busy commercial and industrial environments, delivering long-term reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy integration\u003c\/strong\u003e with existing electrical panels and wiring schemes, making it a practical upgrade for upgrading or replacing aging disconnects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMachine and conveyor line isolation in manufacturing facilities\u003c\/li\u003e \u003cli\u003eService disconnects for commercial equipment and HVAC subsystems\u003c\/li\u003e \u003cli\u003eControl panel isolation for routine maintenance and safety procedures\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChoosing the Square D H321NRB means prioritizing safety without sacrificing reliability. Its design supports critical safety practices, including lockout\/tagout, while providing a straightforward, dependable means to disconnect power when servicing equipment. This translates to fewer unexpected outages, quicker maintenance turnarounds, and clearer compliance with safety standards.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Disconnect 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\u003e\u003cstrong\u003ePractical usage tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePlan maintenance windows around lockout\/tagout procedures to maximize safety and minimize unplanned downtime.\u003c\/li\u003e \u003cli\u003ePair the H321NRB with clearly labeled disconnect points and a documented isolation checklist to streamline servicing and inspections.\u003c\/li\u003e \u003cli\u003eEnsure wiring and installation follow relevant electrical codes and manufacturer guidelines for a secure, code-compliant setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383753363618,"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_5a791fd3-e2c5-4513-884c-35fdce7c808d.png?v=1765253515","url":"https:\/\/www.ampstate.com\/products\/square-d-h321nrb-disconnect-switch-7","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}