{"product_id":"square-d-h321n-disconnect-switch-3","title":"Square D H321N - 30A, 3-Pole, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D \u003cstrong\u003eH321N\u003c\/strong\u003e 30A, 3-Pole Disconnect Switch is built for environments where safe electrical isolation and dependable performance are non-negotiable. Designed for industrial and commercial applications, this switch delivers secure disconnection under load and supports proper lockout\/tagout procedures, helping maintenance teams work safely without sacrificing reliability over the long term.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole, 30A configuration\u003c\/strong\u003e provides true three-phase isolation for standard industrial power systems, ensuring each phase is safely disconnected when needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/Tagout compatibility\u003c\/strong\u003e supports compliant maintenance practices, reducing the risk of accidental energization during service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDependable disconnection under load\u003c\/strong\u003e engineered for reliable operation even when circuits are energized, contributing to safer shutdowns and predictable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurability for ongoing use\u003c\/strong\u003e designed to withstand the demands of busy commercial and industrial environments, delivering long-term service life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eService and maintenance shutdowns for three-phase motors and equipment on manufacturing floors.\u003c\/li\u003e \u003cli\u003eElectrical isolation points in control panels, machine rooms, or service entrances for safe work practices.\u003c\/li\u003e \u003cli\u003eHVAC, pumps, conveyors, and other three-phase systems that require a reliable disconnect before service or repairs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the H321N\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis disconnect switch is purpose-built to meet the needs of facilities that require clear, immediate isolation of electrical circuits without compromising safety or longevity. By combining a robust 3-pole design with lockout\/tagout readiness, the H321N helps facilities maintain safer operations, reduce downtime, and simplify compliant maintenance routines.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage Rating: 30A\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3-Pole\u003c\/li\u003e \u003cli\u003eProduct Type: Disconnect Switch\u003c\/li\u003e \u003cli\u003eBrand: Square D\u003c\/li\u003e \u003cli\u003eModel: H321N\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383675211938,"sku":"H321N","price":410.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-h321n-30a-3-pole-disconnect-switch-537.webp?v=1788817401","url":"https:\/\/www.ampstate.com\/products\/square-d-h321n-disconnect-switch-3","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}