{"product_id":"square-d-h321n-disconnect-switch-2","title":"Square D H321N - 30A, 240V, 3-Pole, Heavy Duty Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D H321N delivers unmatched reliability for industrial and commercial environments where safe electrical isolation is non‑negotiable. This 30A, 240V, 3‑pole Heavy Duty Fused Disconnect Switch is built to provide dependable disconnection under load while supporting robust lockout\/tagout procedures for maintenance teams.\u003c\/p\u003e \u003cp\u003eDesigned for long‑term durability in demanding settings, the H321N combines rugged construction with precise performance. Its three‑pole configuration ensures clean, reliable isolation for three‑phase circuits, making it an ideal choice for motor drives, pumps, conveyors, and other demanding equipment where uptime and safety matter.\u003c\/p\u003e \u003ch3\u003eWhy the Square D H321N stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑pole design for comprehensive isolation\u003c\/strong\u003e—perfect for three‑phase systems that require voltage and current control across all lines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e30A, 240V rating\u003c\/strong\u003e—effective protection for your equipment while accommodating a wide range of industrial loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy‑duty fused protection\u003c\/strong\u003e—provides built‑in overcurrent protection and a clear point of isolation, enhancing safety during maintenance and emergencies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/Tagout readiness\u003c\/strong\u003e—engineered to support safe shutdown procedures, helping teams comply with safety standards and prevent unexpected energization.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable performance in demanding environments\u003c\/strong\u003e—built to withstand the rigors of industrial and commercial applications, delivering consistent disconnection when needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eUse the Square D H321N to safely isolate large electrical loads in manufacturing lines, HVAC systems, processing equipment, and other machinery where reliable off‑line power control is essential. It’s a practical choice for facilities prioritizing safety, compliance, and operational continuity during routine maintenance or in the event of an electrical fault.\u003c\/p\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\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Heavy Duty 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 H321N\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your electrical safety and reliability with the Square D H321N. This disconnect switch is purpose‑built for environments where dependable isolation, fuse protection, and compliant lockout\/tagout practices translate directly into safer, more efficient operations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383660302498,"sku":"H321N","price":410.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-h321n-30a-240v-3-pole-heavy-duty-fused-disconnect-switch-326.webp?v=1788816011","url":"https:\/\/www.ampstate.com\/products\/square-d-h321n-disconnect-switch-2","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}