{"product_id":"square-d-h221nrb-disconnect-switch-9","title":"Square D H221NRB - 30A, 240V, 2-Pole, Fused Disconnect Switch","description":"\u003cdiv\u003eThe Square D H221NRB is a purpose-built fused disconnect switch that delivers reliable electrical isolation in demanding industrial and commercial settings. With a 30A rating at 240V and a 2-pole design, this unit provides robust, clear-cut disconnection for safely servicing equipment while minimizing downtime. Its fuse protection adds an extra layer of protection for downstream components, helping to guard motors, pumps, and control circuits from fault currents. Built to endure frequent operation and challenging environments, the H221NRB is a dependable choice for mission-critical electrical isolation. \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 30A\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003ePoles: 2-Pole\u003c\/li\u003e \u003cli\u003eType: Fused Disconnect Switch\u003c\/li\u003e \u003cli\u003eBrand\/Model: Square D H221NRB\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this fused disconnect stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike non-fused disconnects, the H221NRB adds fuse protection to interrupt current quickly and protect downstream devices when a fault occurs. This makes it especially valuable in environments with motors, conveyors, pumps, and other inductive loads where clean, predictable circuit isolation is essential for maintenance and safety. The two-pole design ensures both live conductors in a 240V circuit are simultaneously disconnected, reducing the risk of partial energization during servicing.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial machinery and motor control installations requiring reliable isolation during maintenance\u003c\/li\u003e \u003cli\u003eCommercial equipment like pumps, compressors, and HVAC systems where safe lockout matters\u003c\/li\u003e \u003cli\u003eService panels and process lines that demand quick, guaranteed disconnection under load\u003c\/li\u003e \u003cli\u003eFacilities prioritizing lockout\/tagout procedures to meet safety and compliance standards\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePerformance and durability\u003c\/h3\u003e\n\u003cp\u003eDesigned for long-term durability, the H221NRB stands up to demanding environments and frequent switch operations. The fused design directly supports protective separation of circuits, helping reduce wear on downstream components and promote safer maintenance practices. Its Square D lineage offers confidence in compatibility with standard electrical enclosures and typical industrial wiring practices.\u003c\/p\u003e \u003ch3\u003ePractical installation and use tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlan for a complete 2-pole isolation path on 240V circuits to ensure full de-energization.\u003c\/li\u003e \u003cli\u003ePair with appropriate fuses rated for your load to maintain protective coordination and prevent nuisance tripping.\u003c\/li\u003e \u003cli\u003eFollow proper lockout\/tagout procedures during servicing, using compatible lockout devices on the switch handle.\u003c\/li\u003e \u003cli\u003eInstall by qualified electrical professionals in accordance with local codes and standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Square D H221NRB means opting for a dedicated, high-performance solution that emphasizes safe, straightforward disconnection and reliable protection for critical equipment. If your application requires clean electrical isolation with built-in fuse protection and a durable, two-pole design, this fused disconnect switch is a precise fit for industrial and commercial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383782428834,"sku":"H221NRB","price":610.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-h221nrb-30a-240v-2-pole-fused-disconnect-switch-204.webp?v=1788833511","url":"https:\/\/www.ampstate.com\/products\/square-d-h221nrb-disconnect-switch-9","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}