{"product_id":"square-d-h321nrb-30a-240v-fusible-switch","title":"Square D H321NRB - 30A, 240V, Fusible, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D H321NRB—a rugged 30A, 240V fusible switch designed to deliver reliable on\/off isolation and precise overcurrent protection in demanding industrial and commercial environments. This compact, fuse-protected disconnect is crafted for electricians who need a maintainable, space-efficient solution that safeguards motors, panelboards, and branch circuits without compromise.\u003c\/p\u003e \u003ch2\u003eKey benefits and features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel and rating:\u003c\/strong\u003e H321NRB, 30A at 240V, built for steady performance in everyday power control tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible protection:\u003c\/strong\u003e Integrated fuses provide immediate overcurrent protection, helping prevent wiring damage and equipment failure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable isolation:\u003c\/strong\u003e Durable on\/off switching ensures secure circuit disconnection for maintenance, servicing, or emergency shutdowns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact and maintainable:\u003c\/strong\u003e Space-efficient design fits tight electrical cabinets, with straightforward fuse replacement to minimize downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e Ideal for motor disconnects, panelboard protection, and branch circuits where a compact fusible switch is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged reliability:\u003c\/strong\u003e Built to withstand demanding environments, delivering consistent performance in both industrial and commercial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUse cases and scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects on production lines or conveyors where reliable shutdown and protect-from-fault capability are essential.\u003c\/li\u003e \u003cli\u003ePanelboards needing integrated overcurrent protection within a tight electrical footprint.\u003c\/li\u003e \u003cli\u003eBranch circuit protection in spaces with limited enclosure room, where a compact fusible switch is preferable to larger disconnects.\u003c\/li\u003e \u003cli\u003eMaintenance scenarios requiring quick, safe isolation of electrical circuits without extensive reconfiguration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy choose the Square D H321NRB\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eIt combines a rugged switch with fusible protection, offering a single, cohesive solution for both isolation and current-limiting protection—reducing part counts and simplifying wiring.\u003c\/li\u003e \u003cli\u003eThe 30A, 240V rating matches common motor and control circuits in small to mid-size facilities, making it a practical choice for many electrical distribution layouts.\u003c\/li\u003e \u003cli\u003eIts compact footprint and maintainable fuse design make it easier to service and keep running, which translates to less downtime and more uptime for your operations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eModel: H321NRB\u003c\/li\u003e \u003cli\u003eAmperage: 30A\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003eFusible: Fusible (integrated protection)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re updating an aging control panel, configuring a new motor drive station, or need dependable branch-circuit protection in a space-constrained enclosure, the Square D H321NRB delivers focused, industry-grade performance. Its balanced blend of reliable isolation, fuse-protected safety, and compact design helps electrical teams work smarter, not harder—keeping systems safe, compliant, and ready for operation when you need them most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390389506210,"sku":"H321NRB","price":317.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-h321nrb-30a-240v-fusible-switch-905.webp?v=1788873159","url":"https:\/\/www.ampstate.com\/products\/square-d-h321nrb-30a-240v-fusible-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}