{"product_id":"square-d-qmb325w-400a-240v-fusible-switch","title":"Square D QMB325W - 400A, 240V, Fusible, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QMB325W — a robust 400A, 240V fusible switch engineered for reliable on\/off isolation and precise overcurrent protection in demanding industrial and commercial settings. Its compact, maintainable design fits tight spaces without compromising safety or performance, making it an ideal choice for motor disconnects, panelboards, and branch circuit protection where dependable protection and quick accessibility matter.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e QMB325W\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible:\u003c\/strong\u003e Fusible\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this fusible switch stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongcompact space-efficient design:\u003e Durable construction that fits where space is at a premium, simplifying panel layout and reducing footprint without sacrificing performance.\u003c\/strongcompact\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated isolation with overcurrent protection:\u003c\/strong\u003e A single unit that provides safe disconnection when maintenance is needed while protecting downstream circuits from overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged reliability for tough environments:\u003c\/strong\u003e Built to withstand the rigors of industrial and commercial applications, delivering consistent operation in demanding conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in manufacturing lines, HVAC systems, and other equipment where safe, instant isolation is essential.\u003c\/li\u003e \u003cli\u003ePanelboards requiring dedicated, fusible protection to safeguard feeders and branch circuits.\u003c\/li\u003e \u003cli\u003eSpace-constrained electrical rooms and service areas where a compact disconnect switch is preferred.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow it helps your operation\u003c\/h2\u003e\n\u003cp\u003eThe QMB325W delivers a practical, maintenance-friendly solution that pairs the safety of immediate isolation with reliable overcurrent protection. By consolidating protection and disconnect capabilities into one unit, it reduces installation complexity and simplifies routine servicing. This translates to quicker fault response, safer maintenance procedures, and peace of mind for facilities teams managing critical electrical infrastructure.\u003c\/p\u003e \u003ch2\u003eGetting the right fit\u003c\/h2\u003e\n\u003cp\u003eDesigned for 240V systems with a 400A rating, this fusible switch mirrors the needs of modern electrical layouts that demand robust protection without oversized hardware. Ensure compatibility with your panelboard configuration and confirm the site’s electrical standards align with a fusible disconnect solution like the Square D QMB325W.\u003c\/p\u003e \u003cp\u003eUpgrade or specify the Square D QMB325W today to secure reliable isolation and dependable protection for demanding motor-driven and branch-circuit applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390302310562,"sku":"QMB325W","price":4616.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qmb325w-400a-240v-fusible-switch-457.webp?v=1788860094","url":"https:\/\/www.ampstate.com\/products\/square-d-qmb325w-400a-240v-fusible-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}