{"product_id":"square-d-h321nrb-30a-240v-disconnect-switch","title":"Square D H321NRB - 30A, 240V, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003ePowerful, compact, and built for reliability, the Square D H321NRB 30A, 240V Disconnect Switch delivers clean on\/off isolation and dependable overcurrent protection in demanding industrial and commercial environments. Designed to withstand tough electrical applications, this disconnect switch helps you safeguard equipment and personnel while keeping critical systems accessible for maintenance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eModel: H321NRB\u003c\/li\u003e \u003cli\u003eAmperage: 30A\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for motor disconnects, panelboards, and branch circuit protection where a compact, maintainable fusible switch is required, the H321NRB provides a streamlined solution for isolating circuits without sacrificing protection or serviceability. Its robust construction is intended for environments where space is limited but reliability cannot be compromised.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhere this fits your system\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects on small to medium industrial equipment—quickly isolate a powered motor for safe maintenance and service work.\u003c\/li\u003e \u003cli\u003ePanelboards where a dedicated disconnect helps meet electrical code requirements and improves fault isolation.\u003c\/li\u003e \u003cli\u003eBranch circuit protection for critical loads in commercial spaces, HVAC, pumps, conveyors, and other automated systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the Square D H321NRB\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCompact footprint designed for tight electrical rooms and crowded panels, reducing enclosure size without compromising safety.\u003c\/li\u003e \u003cli\u003eClear on\/off isolation paired with reliable overcurrent protection, improving maintenance workflows and reducing downtime.\u003c\/li\u003e \u003cli\u003eTrusted Square D build quality and a design that emphasizes maintainability, making routine inspections and servicing straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for installation and use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePlan mounting orientation and enclosure compatibility to ensure easy access to the disconnect handle during maintenance.\u003c\/li\u003e \u003cli\u003eVerify wiring clearances and conductors meet 240V branch circuit standards to maintain safe operation.\u003c\/li\u003e \u003cli\u003eIncorporate the disconnect switch as part of a broader safety and protection strategy for motor circuits and panelboard layouts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390353789090,"sku":"H321NRB","price":324.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-h321nrb-30a-240v-disconnect-switch-936.webp?v=1788866333","url":"https:\/\/www.ampstate.com\/products\/square-d-h321nrb-30a-240v-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}