{"product_id":"square-d-qmb310-t-100a-240v-fusible-switch","title":"Square D QMB310-T - 100A, 240V, Fusible, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QMB310-T — a rugged 100A, 240V fusible switch designed for reliable on\/off isolation and precise overcurrent protection in demanding industrial and commercial environments. This compact, maintainable switch brings motor disconnect capabilities and branch-circuit protection into a single, easy-to-service unit, helping you keep equipment running smoothly and safely.\u003c\/p\u003e \u003cp\u003eKey advantages you’ll notice in daily operation:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e100A at 240V\u003c\/strong\u003e capacity provides solid protection for motors, panelboards, and critical branch circuits without crowding your space.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible design\u003c\/strong\u003e combines fast-acting protection with a clean isolation path, reducing arc and wear on downstream conductors while meeting essential safety standards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact footprint\u003c\/strong\u003e fits tighter panels and skid-friendly installations, making it ideal for retrofit projects or space-constrained electrical rooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly\u003c\/strong\u003e design simplifies fuse replacement and servicing, minimizing downtime during routine checks or fuse changes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile protection\u003c\/strong\u003e purpose-built for motor disconnects, panelboards, and branch circuits, delivering a reliable, integrated protection solution in one device.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical applications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMotor disconnects for conveyors, pumps, blowers, and fans in manufacturing facilities or processing plants.\u003c\/li\u003e \u003cli\u003eFeed protection and isolation for panelboards in commercial buildings or industrial closets.\u003c\/li\u003e \u003cli\u003eBranch circuit protection where quick, safe disconnection is required during maintenance or fault conditions.\u003c\/li\u003e \u003cli\u003eControl circuits in equipment racks and electrical rooms where space is at a premium but protection cannot be compromised.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the QMB310-T for your electrical protection strategy\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReliability under load\u003c\/strong\u003e: the fusible switch design provides dependable isolation and current interruption exactly where and when you need it.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperational simplicity\u003c\/strong\u003e: straightforward fuse maintenance keeps your downtime to a minimum while preserving circuit protection integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined installation\u003c\/strong\u003e: the compact form factor reduces panel modification needs and accelerates integration into existing systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear, purpose-built functionality\u003c\/strong\u003e: specifically engineered for environments that demand both disconnect and fuse protection in one unit, so you don’t have to compromise between safety and convenience.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eModel: QMB310-T\u003c\/li\u003e \u003cli\u003eAmperage: 100A\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003eFusible: Fusible (protective fuse integration)\u003c\/li\u003e \u003cli\u003eApplications: motor disconnects, panelboards, and branch circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for installation and best practices\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eVerify compatibility with your panel and wiring methods, and ensure the fuse type and rating align with the protected circuit requirements.\u003c\/li\u003e \u003cli\u003eFollow lockout\/tagout procedures during maintenance to maintain a safe working environment.\u003c\/li\u003e \u003cli\u003ePosition the switch for convenient fuse access and visual inspection of the fuse status during routine checks.\u003c\/li\u003e \u003cli\u003eUse the QMB310-T in configurations where a compact, maintainable solution is essential to minimize downtime and maximize uptime for critical loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390409396386,"sku":"QMB310-T","price":2710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_b509c0a7-bf1f-44cd-9f47-879985326189.png?v=1765370468","url":"https:\/\/www.ampstate.com\/products\/square-d-qmb310-t-100a-240v-fusible-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}