{"product_id":"siemens-hnf363-disconnect-switch-3","title":"Siemens HNF363 - 100A, 3-Pole, Fused Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HNF363 is a purpose-built Fused Safety Switch designed for industrial and commercial environments where reliable electrical isolation is non-negotiable. With a 100A rating and 3-pole configuration, it provides robust, controlled disconnection of all conductors, enabling safer maintenance and upholding strict lockout\/tagout practices.\u003c\/p\u003e \u003ch2\u003eWhy choose the HNF363 for your operation\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReliable isolation under load:\u003c\/strong\u003e Built to safely interrupt and disconnect power without compromising operator safety, even when equipment is energized.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection:\u003c\/strong\u003e Disconnects all live conductors simultaneously, reducing arc flash risk and ensuring complete de-energization of machinery.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated protection:\u003c\/strong\u003e Fused design provides current-limiting protection, helping to prevent damage from overloads and enhancing overall system longevity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/tagout compatibility:\u003c\/strong\u003e Designed to support standard maintenance procedures, helping your team implement effective energy control and ensure worker safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable for demanding settings:\u003c\/strong\u003e Built to withstand routine industrial use, delivering dependable performance over the long term in commercial applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cp\u003eBest suited for motor control centers, service entrances, machine feeders, and distribution panels where safe isolation is critical. Perfect for facilities that prioritize safe maintenance shutdowns, equipment longevity, and operational continuity.\u003c\/p\u003e \u003ch2\u003eWhat problems it solves\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePrevents accidental energization during service work by providing secure, verifiable isolation.\u003c\/li\u003e \u003cli\u003eReduces damage from overloads through built-in fusing, preserving downline equipment.\u003c\/li\u003e \u003cli\u003eSupports compliant lockout\/tagout workflows, helping teams meet safety protocols with confidence.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HNF363\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 100A\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 Fused Safety Switch\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips for use\u003c\/h2\u003e\n\u003cp\u003ePlan outages with clear lockout\/tagout procedures, keep spare fuses on hand, and verify isolation with an appropriate test before beginning any maintenance. Use the HNF363 in downstream protection to minimize exposure and downtime, and match installation wiring to the 3-pole configuration to ensure complete de-energization of all conductors.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383721447586,"sku":"HNF363","price":1010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_fa8e6327-f019-4209-ba51-bf543698a487.png?v=1765252665","url":"https:\/\/www.ampstate.com\/products\/siemens-hnf363-disconnect-switch-3","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}