{"product_id":"square-d-qmb-3620-200a-600v-fusible-switch","title":"Square D QMB-3620 - 200A, 600V, Fusible, Switch","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QMB-3620\u003c\/strong\u003e is a robust 200A, 600V fusible switch designed to deliver dependable on\/off isolation and precise overcurrent protection in demanding industrial and commercial settings. Built to withstand tough environments, this switch provides a compact, maintainable solution when you need both a disconnect and reliable fuse protection in one footprint.\u003c\/p\u003e \u003ch3\u003eWhy the QMB-3620 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated fusible protection\u003c\/strong\u003e: The QMB-3620 combines isolation with fuse protection, helping to interrupt fault currents before they damage downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current capability\u003c\/strong\u003e: Rated for 200A, it handles substantial motor loads and branch circuits without compromising safety or performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWide voltage handling\u003c\/strong\u003e: 600V maximum operating voltage makes it suitable for a broad range of industrial power distribution applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, maintainable design\u003c\/strong\u003e: Its streamlined footprint is ideal for panelboards and spaces where room is at a premium, while still offering straightforward access for fuse maintenance and replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged construction for demanding environments\u003c\/strong\u003e: Engineered to endure the vibrations, dust, and temperature variations common in commercial and industrial facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in equipment rooms or near heavy machinery\u003c\/li\u003e \u003cli\u003ePanelboards requiring integrated disconnect and protection\u003c\/li\u003e \u003cli\u003eBranch circuit protection where a compact, easy-to-service fusible switch is advantageous\u003c\/li\u003e \u003cli\u003eAreas where safe isolation is essential for maintenance and servicing\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: QMB-3620\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 200A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Fusible switch\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair the QMB-3620 with compatible circuit protection fuses to ensure coordinated response during fault conditions.\u003c\/li\u003e \u003cli\u003eChoose this fusible switch when you need a single device that both disconnects power and provides overcurrent protection for downstream circuits.\u003c\/li\u003e \u003cli\u003eEnsure installation in an appropriate enclosure or panel where accessibility, ventilation, and routing for wiring meet safety standards.\u003c\/li\u003e \u003cli\u003eFor maintenance, replace fuses with the same type and rating to preserve performance and protection levels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhen reliability and space-conscious protection are critical, the Square D QMB-3620 delivers dependable isolation and disciplined overcurrent protection for motor loads, panelboards, and branch circuits. It’s the practical choice for facilities that value clear operation, straightforward maintenance, and lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390261186722,"sku":"QMB-3620","price":533.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_d0da1ca4-65ba-4202-a049-fcb7a7c03e9f.png?v=1765367500","url":"https:\/\/www.ampstate.com\/products\/square-d-qmb-3620-200a-600v-fusible-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}