{"product_id":"440t-mrkse100a-100a-switch","title":"440T-MRKSE100A - 100A, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the 440T-MRKSE100A, a rugged 100A fusible switch designed for dependable on\/off isolation and precise overcurrent protection in demanding industrial and commercial environments. Built to withstand the bumps and vibrations of real-world electrical rooms, this compact switch delivers reliable protection without taking up valuable panel space.\u003c\/p\u003e \u003cp\u003eKey to its value is a dedicated 100A rating paired with a fusible protection approach, providing immediate response to overloads and fault conditions. The result is minimized equipment stress, reduced downtime, and safer maintenance windows. The 440T-MRKSE100A combines simple operation with a sturdy form factor, making it an excellent choice when you need a single, maintainable solution for both disconnect and circuit protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 440T-MRKSE100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e robust on\/off isolation with overcurrent protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e compact, maintainable fusible switch for tight spaces\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal applications:\u003c\/strong\u003e motor disconnects, panelboards, and branch circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this fusible switch fits your setup\u003c\/h3\u003e\n\u003cp\u003eFor facilities where space is at a premium but reliability cannot be compromised, the 440T-MRKSE100A delivers a focused solution that consolidates disconnect and protection in a single unit. Its compact footprint makes it well-suited for retrofit projects in existing switchgear and for new installations where a maintainable, fuse-based protective switch is preferred.\u003c\/p\u003e \u003ch3\u003ePractical use cases and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects on production lines, enabling safe service and minimizing downtime during maintenance\u003c\/li\u003e \u003cli\u003ePanelboard protection where quick isolation and clear fault response are critical for downstream equipment\u003c\/li\u003e \u003cli\u003eBranch circuit protection in distributed electrical layouts, helping you localize fault events and protect feeders\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eMaintenance and installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlan routine inspections of the switch’s operating mechanism and mounting to ensure reliable actuation in harsh environments\u003c\/li\u003e \u003cli\u003eVerify fuse links or protection components are correctly rated for the connected load to maintain optimal protection\u003c\/li\u003e \u003cli\u003eKeep clear access to the switch for safe operation and straightforward maintenance tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390385410210,"sku":"440T-MRKSE100A","price":1929.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_549cac92-1cf0-4e7a-835b-43b67544ebde.png?v=1765369866","url":"https:\/\/www.ampstate.com\/products\/440t-mrkse100a-100a-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}