{"product_id":"siemens-hf321n-disconnect-switch-2","title":"Siemens HF321N - 30A, 3-Pole, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens HF321N — a 30A, 3-Pole Fused Disconnect Switch built for industrial and commercial environments where safe, reliable electrical isolation is non-negotiable. This device combines fused protection with a decisive disconnect, designed to keep maintenance workflows smooth and downtime minimal.\u003c\/p\u003e \u003cp\u003eLockout\/tagout readiness is a core strength of the HF321N. When teams need to service equipment, this switch makes it straightforward to secure circuits, safeguarding workers and ensuring compliance. It delivers a clean, under-load disconnection that reduces arcing and voltage stress on downstream components, contributing to longer equipment life and more predictable operation. Crafted for durability in demanding facilities, it stands up to daily use and the rigors of busy electrical rooms.\u003c\/p\u003e \u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e30A, 3-Pole configuration:\u003c\/strong\u003e Specifically suited for three-phase circuits and motor-driven loads common in industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFused disconnect:\u003c\/strong\u003e Integrates overcurrent protection with isolation, streamlining wiring and enhancing overall electrical safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/Tagout readiness:\u003c\/strong\u003e Supports compliant servicing procedures and safer maintenance workflows.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable under-load disconnection:\u003c\/strong\u003e Enables safe power shutdown during operation or maintenance, minimizing risk.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Built to endure the demands of busy environments, delivering consistent long-term performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor control centers and branch circuits in manufacturing, processing, and industrial facilities.\u003c\/li\u003e \u003cli\u003eService disconnects for lines that require definitive isolation before maintenance or repairs.\u003c\/li\u003e \u003cli\u003eCommercial HVAC and heavy electrical installations where dependable de-energization is critical.\u003c\/li\u003e \u003cli\u003ePanel installations needing a compact, three-phase disconnect with built-in protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat It Means for Your Operations\u003c\/h2\u003e\n\u003cp\u003eWith the HF321N, you gain safer maintenance windows, clearer isolation during servicing, and improved protection for wiring and downstream devices. The combination of fused protection and a robust disconnect supports faster troubleshooting, reduces unexpected downtime, and helps facilities meet stringent safety standards without sacrificing performance.\u003c\/p\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 30 A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3-Pole\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fused Disconnect Switch\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e HF321N\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383430697122,"sku":"HF321N","price":410.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_41aabc4f-ee54-4e88-afaa-f5a729f0bb8f.png?v=1765248657","url":"https:\/\/www.ampstate.com\/products\/siemens-hf321n-disconnect-switch-2","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}