{"product_id":"square-d-9421-31008-093-51-disconnect-switch","title":"Square D 9421-31008-093-51 - 30A, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eSquare D 9421-31008-093-51\u003c\/strong\u003e is a 30A fused disconnect switch engineered for demanding industrial and commercial environments where safe, reliable electrical isolation is critical. Built to support strict lockout\/tagout (LOTO) procedures, it provides a dependable disconnect under load, enhancing personnel safety and protecting equipment during maintenance and service operations.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e30 Amp fusion protection\u003c\/strong\u003e delivers precise current interruption at the source, helping prevent downstream damage during faults or maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/Tagout compatibility\u003c\/strong\u003e supports compliant, safer lockout procedures, reducing the risk of accidental energization.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDependable disconnection under load\u003c\/strong\u003e ensures circuits can be isolated safely without unexpected re-energization, even in active systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLong-term durability\u003c\/strong\u003e designed for continuous industrial use, maintaining reliable performance across demanding operating cycles.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Square D reliability\u003c\/strong\u003e backed by a long-standing legacy of robust electrical control products.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 30 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fused 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 9421-31008-093-51\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from this fused disconnect\u003c\/h3\u003e\n\u003cp\u003eFacilities that require reliable isolation for motor loads, conveyors, pumps, and other mechanical systems will appreciate the clear, safe path to de-energize equipment for maintenance or inspection. It’s ideal for electrical rooms, distribution panels, and service entrances where isolation is part of daily safety routines.\u003c\/p\u003e \u003ch3\u003ePractical usage and best practices\u003c\/h3\u003e\n\u003cp\u003eInstall in an appropriate enclosure with correct fuse configuration for 30 A circuits. Always follow the manufacturer’s wiring diagrams and integrate with existing lockout\/tagout programs. Regular inspection of the fuses and disconnect mechanism helps maintain consistent performance and safety over time. For optimal operation, plan maintenance windows that align with system downtime to minimize impact on production schedules.\u003c\/p\u003e \u003ch3\u003eHow this fused disconnect compares to non-fused options\u003c\/h3\u003e\n\u003cp\u003eCompared with non-fused disconnects, this unit adds active overcurrent protection at the point of isolation. The fused design offers both a clear safety mechanism for maintenance and immediate protection for connected equipment, simplifying fault tracing along the circuit and reducing exposure during service work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46383541289122,"sku":"9421-31008-093-51","price":790.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-9421-31008-093-51-30a-fused-disconnect-switch-555.webp?v=1788804276","url":"https:\/\/www.ampstate.com\/products\/square-d-9421-31008-093-51-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}