{"product_id":"westinghouse-hfn365-400a-3p-600v-disconnect-switch","title":"Westinghouse HFN365 Disconnect Switch, 400A, 3-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Westinghouse HFN365 disconnect switch delivers reliable, high-capacity isolation for industrial electrical service, maintenance, and replacement projects. Built to handle demanding environments, this 400 A, 3-pole unit is designed to safely interrupt three-phase power up to 600 V, giving you a dependable solution for everyday shutdowns and critical maintenance windows.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-pole design for full three-phase isolation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Westinghouse\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number for compatibility:\u003c\/strong\u003e HFN365\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this disconnect switch stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned for industrial service environments where quick, safe isolation is essential during maintenance or equipment replacement.\u003c\/li\u003e \u003cli\u003eThree-pole construction ensures complete disconnection of three-phase circuits, reducing the risk of accidental energization during service work.\u003c\/li\u003e \u003cli\u003e600 V rating aligns with common industrial power distributions, providing versatility across a range of applications from manufacturing lines to utility-style panels.\u003c\/li\u003e \u003cli\u003ePart-number-guided compatibility helps you verify fit quickly—use HFN365 as the definitive reference for your application requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance windows on machinery powered by three-phase systems up to 600 V, where reliable isolation is essential for technician safety.\u003c\/li\u003e \u003cli\u003eReplacement of aging disconnects in plant service entrances, control rooms, and equipment bays where a robust, standard-part solution is preferred.\u003c\/li\u003e \u003cli\u003eNew installations in facilities that require a proven, OEM-backed disconnect switch with clear part-number traceability for procurement and service records.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this solution supports your operations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMinimizes downtime by delivering fast, dependable isolation when technicians need to service or replace equipment.\u003c\/li\u003e \u003cli\u003eReduces compatibility uncertainties with a clearly identifiable part number (HFN365) and straightforward arming\/disarming behavior for routine maintenance.\u003c\/li\u003e \u003cli\u003eSupports long-term reliability in demanding environments, backed by Westinghouse engineering and manufacturing expertise.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you need help matching a part number or confirming compatibility with your specific application requirements, send us a message and we’ll assist you in validating fit for your system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416049373346,"sku":"HFN365","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/westinghouse-hfn365-400a-3p-600v-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}