{"product_id":"square-d-h322n-60a-240v-3-pole-heavy-duty-safety-switch-nema-1","title":"Square D H322N - 60A, 240V, 3-Pole, Heavy-Duty, Safety Switch, NEMA 1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D H322N\u003c\/strong\u003e is a robust 60A, 240V, 3-pole safety switch engineered for dependable on\/off isolation and reliable overcurrent protection in demanding industrial and commercial environments. Built to withstand everyday switching and heavy-duty service, this NEMA 1 enclosure keeps critical equipment safe while simplifying maintenance and compliance.\u003c\/p\u003e \u003ch3\u003eWhat makes the H322N stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e60A, 240V, 3-Pole design\u003c\/strong\u003e — ideal for three-phase circuits and motor loads, delivering clear, decisive disconnection for reliable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNEMA 1 indoor enclosure\u003c\/strong\u003e — engineered for clean, controlled environments where dust and debris are a concern, ensuring longevity and predictable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy-duty construction\u003c\/strong\u003e — built to endure frequent switching, providing durable isolation for motors, pumps, conveyors, and other demanding equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e — suitable as a main disconnect in panelboards or as a branch circuit protection device, simplifying electrical layouts and safeguarding downstream circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStraightforward maintenance\u003c\/strong\u003e — simple wiring access and robust design enable quick inspections, easy service, and long service life without complicated downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects on manufacturing lines, HVAC systems, and industrial conveyors\u003c\/li\u003e \u003cli\u003ePrimary or branch circuit protection within panelboards in commercial facilities\u003c\/li\u003e \u003cli\u003eIndoor electrical rooms requiring a durable, easy-to-operate safety switch\u003c\/li\u003e \u003cli\u003eSituations where immediate, manual isolation is critical for personnel safety during maintenance\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this safety switch matters\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eClear, tactile ON\/OFF operation reduces the risk of misoperation and energizes only when you intend.\u003c\/li\u003e \u003cli\u003eCompact, rugged form factor fits into constrained spaces without sacrificing performance.\u003c\/li\u003e \u003cli\u003eBy providing a dedicated isolation point, it helps minimize downtime and protects both equipment and personnel during troubleshooting or servicing.\u003c\/li\u003e \u003cli\u003eUsing a dedicated safety switch can simplify compliance with electrical codes and improve overall system reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure wiring is sized for 60A and that conductors and terminations follow local electrical codes and the device’s data plate.\u003c\/li\u003e \u003cli\u003eInstall in a clean, indoor environment to preserve NEMA 1 enclosure integrity and long-term performance.\u003c\/li\u003e \u003cli\u003ePair with proper motor starters or motor controllers in higher-level electrical assemblies to optimize protection and control.\u003c\/li\u003e \u003cli\u003eLabel and test the disconnect regularly as part of preventive maintenance to confirm reliable isolation when needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e H322N\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 60A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e NEMA 1\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor facilities needing a dependable, easy-to-maintain safety switch that delivers solid motor protection and practical, space-conscious isolation, the Square D H322N stands up to the challenge. It’s a smart choice for installers and operators who want clear control, enhanced safety, and straightforward integration into existing electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390344319138,"sku":"H322N","price":533.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_0a3d3059-2a15-4759-8e0c-5b3cd3fa2c31.png?v=1765368614","url":"https:\/\/www.ampstate.com\/products\/square-d-h322n-60a-240v-3-pole-heavy-duty-safety-switch-nema-1","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}