{"product_id":"siemens-hf321nr-disconnect-switch-2","title":"Siemens HF321NR - 30A, 3-Pole, Fused Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HF321NR 30A, 3-Pole Fused Disconnect Switch is built for performance in demanding industrial and commercial environments. When safety and reliability matter, this disconnect switch delivers clear, dependable electrical isolation to protect personnel and equipment during maintenance and service operations.\u003c\/p\u003e \u003cp\u003eDesigned to integrate with standard control and power distribution systems, the HF321NR supports proper lockout\/tagout procedures, giving technicians a secure way to de-energize circuits before work begins. Its fused design ensures reliable disconnection under load, helping to minimize arc energy and provide a controlled shutdown when fault currents occur. Built for long-term durability, this switch is a practical, trusted choice for ongoing facility uptime and safe operations.\u003c\/p\u003e \u003ch2\u003eKey advantages\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e30 Ampere rating for precise, controlled disconnection on 3-phase systems\u003c\/li\u003e \u003cli\u003e3-Pole configuration to accommodate common three-phase electrical layouts\u003c\/li\u003e \u003cli\u003eFused construction that enhances protection and safe isolation during maintenance\u003c\/li\u003e \u003cli\u003eSupports lockout\/tagout (LOTO) procedures to safeguard personnel\u003c\/li\u003e \u003cli\u003eDurable, reliable performance designed for daily industrial use\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage Rating: 30A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3-Pole\u003c\/li\u003e \u003cli\u003eProduct Type: Fused Disconnect Switch\u003c\/li\u003e \u003cli\u003eBrand: Siemens\u003c\/li\u003e \u003cli\u003eModel: HF321NR\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMid-to-large industrial panels and motor control centers requiring safe, code-conscious isolation\u003c\/li\u003e \u003cli\u003eMaintenance shutoffs for critical machinery where a controlled, under-load disconnect is essential\u003c\/li\u003e \u003cli\u003eCommercial facilities with 3-phase distribution lines that demand reliable hand-off points for service crews\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens HF321NR when you need a dependable, purpose-built solution for safe electrical isolation that stands up to daily use in busy environments. It’s engineered to support safety standards, protect personnel during maintenance, and keep your operations moving smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383526674594,"sku":"HF321NR","price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hf321nr-30a-3-pole-fused-disconnect-switch-111.webp?v=1788802858","url":"https:\/\/www.ampstate.com\/products\/siemens-hf321nr-disconnect-switch-2","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}