{"product_id":"square-d-hu365-400a-600v-3-phase-switch","title":"Square D HU365 - 400A, 600V, 3-Phase, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HU365—a rugged 400A, 600V, 3-Phase fusible switch engineered for reliability in demanding industrial and commercial settings. This switch delivers decisive on\/off isolation and integrates overcurrent protection when paired with the appropriate fuse links, helping you keep critical equipment safe and systems running smoothly.\u003c\/p\u003e \u003ch2\u003eWhy the HU365 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity, compact design:\u003c\/strong\u003e 400A at 600V in a space-conscious 3-Phase package that fits into existing panelboards and switchgear footprints without sacrificing performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible switch architecture:\u003c\/strong\u003e Combines immediate isolation with protective capability, reducing the need for multiple devices and simplifying electrical protection schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable isolation for maintenance:\u003c\/strong\u003e Provides a clear, tangible disconnect so maintenance teams can work confidently and safely, minimizing downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable industrial build:\u003c\/strong\u003e Designed to endure the rigors of demanding environments, helping you lower replacement costs and keep downtime to a minimum.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for motor disconnects and branch circuits:\u003c\/strong\u003e Perfect for applications where a compact, maintainable switch is required to protect feeders, feeders to panelboards, and critical branch circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe HU365 is more than a switch—it's a trusted control point that streamlines protection, simplifies maintenance, and supports safer, more efficient operation of large electrical loads. Built by Square D, a name synonymous with robust electrical components, this unit is ready to perform in service bays, equipment rooms, and industrial facilities where dependable isolation matters most.\u003c\/p\u003e \u003ch3\u003ePractical uses and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongmotor control rooms:\u003e Use as a dedicated motor disconnect to secure equipment during servicing while providing reliable fault protection.\u003c\/strongmotor\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboard integration:\u003c\/strong\u003e Seamlessly integrates with existing panelboard configurations to consolidate isolation and protection in one device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBranch circuit protection:\u003c\/strong\u003e Protect feeders and critical circuits from overcurrent conditions through the proper fuse links, reducing collateral damage downstream.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-driven downtime reduction:\u003c\/strong\u003e Clear isolation points enable quicker troubleshooting and safer, faster servicing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSpecifications at a glance: \u003cstrong\u003eModel\u003c\/strong\u003e HU365 • \u003cstrong\u003eAmperage\u003c\/strong\u003e 400A • \u003cstrong\u003eVoltage\u003c\/strong\u003e 600V • \u003cstrong\u003ePhase\u003c\/strong\u003e 3-Phase. For installations requiring a compact, maintainable solution that combines isolation with protective capability, the HU365 from Square D delivers precise performance where it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390395109538,"sku":"HU365","price":2976.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_1b9d6608-6808-4345-85ef-d7058b499201.png?v=1765370149","url":"https:\/\/www.ampstate.com\/products\/square-d-hu365-400a-600v-3-phase-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}