{"product_id":"schneider-electric-qmb400t6-400a-3p-600v-safety-switch","title":"Schneider Electric QMB400T6 400A 3P 600V Safety Switch, Fusible | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Schneider Electric QMB400T6—a 400 A, 3-pole, 600 V fusible safety switch engineered for reliable equipment disconnect and precise isolation at the point of use. This isn’t a bare switch; it’s a purpose-built solution designed to keep critical systems safe and accessible for service, maintenance, and operation.\u003c\/p\u003e \u003cp\u003eDesigned for replacement projects and stocking spares when BOM alignment to the original part number matters, the QMB400T6 ensures you can retrofit or restore control layouts without compatibility concerns. With Schneider Electric’s proven reliability, you’ll minimize downtime and maintain consistent performance across your electrical distribution.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Schneider Electric\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QMB400T6\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fusible Safety Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Available from AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this fusible safety switch?\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoint-of-use isolation:\u003c\/strong\u003e Provides safe, immediate disconnection exactly where protection is needed, helping to speed maintenance and reduce risk.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated protection:\u003c\/strong\u003e Fusible design combines switching and overcurrent protection in a single durable enclosure, simplifying wiring and saving panel space.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced, reliable performance:\u003c\/strong\u003e The 3-pole configuration ensures even current handling across phases for robust 3-phase applications in industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBOM-friendly replacement:\u003c\/strong\u003e When updating or repairing, using QMB400T6 keeps your part numbers consistent with original documentation and procurement records.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSupport from AmpState:\u003c\/strong\u003e If you need help confirming fit or compatibility, AmpState staff are ready to verify that this unit matches your panel requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical scenarios\u003c\/h3\u003e\n\u003cp\u003eIdeal for machine control panels, production line disconnects, and service entrances in manufacturing, HVAC, and industrial facilities. Use for new installations where a rugged fusible disconnect is required or as a precise replacement for aging safety switches to preserve system integrity and safety.\u003c\/p\u003e \u003ch3\u003eHow it compares to typical switches\u003c\/h3\u003e\n\u003cp\u003eUnlike non-fusible disconnects, this unit provides built-in protection within the switching device, reducing the need for extra fuse blocks and simplifying installation. With a 600 V rating and 400 A capacity, it fits a wide range of equipment and ensures a clear, safe isolation path for maintenance personnel.\u003c\/p\u003e \u003cp\u003eNeed help confirming fit or locating a compatible fuse kit? AmpState can guide you to the correct configuration for your panel and installation standards.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413252264098,"sku":"QMB400T6","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schneider-electric-qmb400t6-400a-3p-600v-safety-switch-fusible-650.webp?v=1789053052","url":"https:\/\/www.ampstate.com\/products\/schneider-electric-qmb400t6-400a-3p-600v-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}