{"product_id":"square-d-hu364-disconnect-switch-6","title":"Square D HU364 - 200A, 3-Pole, Fused Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D HU364 200A, 3-Pole, Fused Safety Switch is built for rigorous industrial and commercial environments where safe electrical isolation matters most. With a robust fused disconnect design, it delivers reliable disconnection under load while supporting proper lockout\/tagout procedures, helping maintenance teams work safely and efficiently.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy the HU364 stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current reliability\u003c\/strong\u003e: 200 ampere rating provides confident isolation for medium-to-large electrical circuits without sacrificing responsiveness during servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e: Three-phase control and protection for balanced, stable operation in motor drives, conveyors, and HVAC systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFused safety protection\u003c\/strong\u003e: Built-in overcurrent protection with a clear, immediate path to disconnect power, reducing arc-risk and enabling safer maintenance under load.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafety-first design\u003c\/strong\u003e: Optimized to support lockout\/tagout procedures, ensuring that equipment remains safely isolated during service or repair work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, long-term performance\u003c\/strong\u003e: Engineered for demanding environments, delivering dependable operation across years of daily use in industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities and manufacturing lines needing secure isolation for motors, pumps, and conveyors\u003c\/li\u003e \u003cli\u003eCommercial power rooms where reliable disconnection under load is essential for maintenance\u003c\/li\u003e \u003cli\u003eRepair and service projects requiring strict lockout\/tagout compliance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat problems it solves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProvides a clear, verifiable disconnect point to protect technicians during servicing\u003c\/li\u003e \u003cli\u003eOffers built-in overcurrent protection to guard equipment and wiring from faults\u003c\/li\u003e \u003cli\u003eSupports safe, compliant maintenance workflows by aligning with lockout\/tagout best practices\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow it compares to alternatives\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HU364 integrates fused protection directly into the disconnect, delivering immediate, visible disconnection under load—an advantage when safe maintenance and rapid fault isolation are priorities. Its three-pole design ensures balanced phase control, which helps reduce electrical stress on three-phase equipment compared with single-pole disconnects.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePair the HU364 with established lockout\/tagout procedures to maximize worker safety during maintenance.\u003c\/li\u003e \u003cli\u003eUse on three-phase circuits where reliable, load-safe isolation is needed, such as motors and large electrical distribution branches.\u003c\/li\u003e \u003cli\u003eSchedule periodic inspections of the switch and fuses to maintain dependable performance over time.\u003c\/li\u003e \u003cli\u003eFollow all local electrical codes and manufacturer installation guidelines to ensure correct mounting and electrical connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eProduct details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage Rating: 200A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3-Pole\u003c\/li\u003e \u003cli\u003eProduct Type: Fused Safety Switch\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e \u003cli\u003eModel: HU364\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383725674658,"sku":"HU364","price":1010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_61d34e1c-c8af-4a31-b059-c8df4a07dd2d.png?v=1765252758","url":"https:\/\/www.ampstate.com\/products\/square-d-hu364-disconnect-switch-6","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}