{"product_id":"square-d-qmb-323-mw-100a-disconnect-switch","title":"Square D QMB-323-MW - 100A, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QMB-323-MW 100A Disconnect Switch is a purpose-built solution for reliable on\/off isolation and overcurrent protection in demanding industrial and commercial settings. Designed as a compact, maintainable fusible switch, it delivers decisive control where protecting motors, panelboards, and branch circuits matters most.\u003c\/p\u003e \u003ch3\u003eKey benefits that set this disconnect switch apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e100A capacity\u003c\/strong\u003e—built to handle motor loads and circuit protection where robust switching is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, maintainable design\u003c\/strong\u003e—a streamlined form factor that simplifies installation, wiring, and serviceability in tight electrical spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable isolation and protection\u003c\/strong\u003e—ensures a safe disconnect every time while providing dependable overcurrent protection for downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e—an ideal choice for motor disconnects, panelboards, and branch circuit protection in both new installations and upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems does it solve?\u003c\/h3\u003e\n\u003cp\u003eWhen machines need a dependable, easily serviceable means to isolate power, the QMB-323-MW delivers. It reduces downtime by providing quick, decisive disconnection for maintenance or troubleshooting, while safeguarding wiring and components from overload. For facilities that demand consistent performance in busy electrical rooms, this disconnect switch offers the trusted Square D reliability you rely on.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in manufacturing equipment, fans, pumps, conveyors, and other heavy loads.\u003c\/li\u003e \u003cli\u003ePrimary or secondary protection in panelboards and consolidated switchgear areas.\u003c\/li\u003e \u003cli\u003eBranch circuit protection where a compact, easy-to-service fusible switch is preferred.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Square D QMB-323-MW\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRenowned Square D engineering that prioritizes safety, longevity, and consistent performance in harsh environments.\u003c\/li\u003e \u003cli\u003eA focused design that blends compact footprint with straightforward maintenance, helping you maximize usable space in electrical racks.\u003c\/li\u003e \u003cli\u003eA clear, practical solution for installers and maintenance teams seeking durable isolation and protection without unnecessary complexity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eProduct specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eModel: QMB-323-MW\u003c\/li\u003e \u003cli\u003eAmperage: 100A\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your power-distribution strategy with the Square D QMB-323-MW 100A Disconnect Switch—a dependable, targeted solution for isolating and protecting critical equipment in industrial and commercial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390342516898,"sku":"QMB-323-MW","price":2627.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_189fb305-3b5d-4edd-af4b-8706f427a787.png?v=1765368543","url":"https:\/\/www.ampstate.com\/products\/square-d-qmb-323-mw-100a-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}