{"product_id":"square-d-qmb-363-tw-100a-600v-safety-switch","title":"Square D QMB-363-TW - 100A, 600V, Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QMB-363-TW\u003c\/strong\u003e safety switch delivers dependable on\/off isolation and robust overcurrent protection in demanding industrial and commercial environments. With a 100 A rating and a 600 V maximum, this compact device provides a reliable, maintenance-friendly solution for motor disconnects, panelboards, and branch circuits where safe power isolation matters most.\u003c\/p\u003e \u003cp\u003eDesigned to endure the rigors of daily operation, the QMB-363-TW emphasizes straightforward serviceability without compromising protection. Its sturdy construction supports frequent switching and steady performance in high-load applications, helping minimize downtime and simplify maintenance in busy facilities.\u003c\/p\u003e \u003ch3\u003eWhy this safety switch stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDefinitive safety isolation\u003c\/strong\u003e enables quick, clear disconnects for maintenance or emergency shutdowns, reducing exposure to live circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable overcurrent protection\u003c\/strong\u003e guards downstream equipment from overloads that could cause damage or unplanned outages.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, space-saving design\u003c\/strong\u003e fits tight panels and enclosures, making it ideal for retrofit projects or layouts with limited footprint.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly construction\u003c\/strong\u003e offers accessible wiring and straightforward disassembly for routine inspection and service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable as a motor disconnect in production lines, a main disconnect for panelboards, or branch circuit protection for critical loads in commercial setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey specifications:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eModel: QMB-363-TW\u003c\/li\u003e \u003cli\u003eAmperage: 100 A\u003c\/li\u003e \u003cli\u003eVoltage: 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eInstall as a motor disconnect on compact conveyors, pumps, or other heavy-load equipment where reliable isolation is essential for safe maintenance.\u003c\/li\u003e \u003cli\u003eUse as a main disconnect in a small electrical panelboard serving essential machinery in a workshop or facility.\u003c\/li\u003e \u003cli\u003eProtect branch circuits feeding HVAC units, processing equipment, or other critical loads without expanding panel space.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTips for optimal performance\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePair with appropriately rated protective devices in accordance with your electrical design and local codes to ensure comprehensive protection.\u003c\/li\u003e \u003cli\u003eSchedule periodic visual inspections of terminals and enclosure to detect corrosion, wear, or loose connections before they impact performance.\u003c\/li\u003e \u003cli\u003eMaintain a clean, dry environment around the switch to maximize longevity in busy industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390342025378,"sku":"QMB-363-TW","price":847.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qmb-363-tw-100a-600v-safety-switch-441.webp?v=1788864243","url":"https:\/\/www.ampstate.com\/products\/square-d-qmb-363-tw-100a-600v-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}