{"product_id":"a50qs300-4r-eaton-300a-500vac-dc-semiconductor-fuse-high-speed-bolt-on","title":"A50QS300-4R - Eaton 300A 500VAC\/DC Semiconductor Fuse High Speed Bolt-On","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003eA50QS300-4R\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003eA50QS300-4R\u003c\/b\u003e is a high-speed semiconductor fuse designed for reliable protection in demanding electrical applications. This fuse features a 300A amperage rating and is rated for both 500VAC and 500VDC systems, making it suitable for a wide range of industrial and commercial uses. The cylindrical body and bolt-on mounting ensure secure installation and consistent performance. The A50QS300-4R is engineered for superior cycling ability and low I2t, providing enhanced protection for sensitive solid-state equipment such as motor drives, inverters, and UPS systems. Its robust construction and high interrupt rating make it a dependable choice for critical circuit protection. \u003cul\u003e \u003cli\u003eAmperage Rating: 300A\u003c\/li\u003e \u003cli\u003eAC Voltage Rating: 500VAC\u003c\/li\u003e \u003cli\u003eDC Voltage Rating: 500VDC\u003c\/li\u003e \u003cli\u003eMounting Type: Bolt-On\u003c\/li\u003e \u003cli\u003eInterrupt Rating: 200kA\u003c\/li\u003e \u003cli\u003eSeries: A50QS\u003c\/li\u003e \u003cli\u003eBody Style: Cylindrical\u003c\/li\u003e \u003cli\u003eSpeed: High Speed\u003c\/li\u003e \u003cli\u003eRoHS Compliant\u003c\/li\u003e \u003cli\u003ePhysical Size: 1.5\" x 4.34\"\u003c\/li\u003e \u003cli\u003eConnection: Bolt-In Blade\u003c\/li\u003e \u003cli\u003eApplication: Semiconductor Protection\u003c\/li\u003e \u003c\/ul\u003e At \u003cb\u003eEssential Parts\u003c\/b\u003e, we offer \u003cb\u003efast shipping\u003c\/b\u003e, \u003cb\u003elowest price\u003c\/b\u003e, and \u003cb\u003eexpert support\u003c\/b\u003e to help you get the right product every time. \t\t\t\t\t\t\t\t\t\t\u003cbr\u003e                                          \t\t\t\t\t\t\t\t\t\t\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e \t\t\t\t\t\t\t\t\t\t\u003cul\u003e \t\t\t\t\t\t\t\t\t\t\t\u003cli\u003ePart Number: A50QS300-4R\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Eaton\u003c\/li\u003e\n\u003cli\u003eBrand : Cutler Hammer\u003c\/li\u003e\n\u003cli\u003eCategory : Fuse\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Low Voltage\u003c\/li\u003e\n\u003cli\u003eFamily : Amp-Trap\u003c\/li\u003e\n\u003cli\u003eType : A50QS\u003c\/li\u003e\n\u003cli\u003eVoltage : 500\u003c\/li\u003e\n\u003cli\u003eAmperage : 300\u003c\/li\u003e\n\u003cli\u003eAIC rating : 200kA@500V\u003c\/li\u003e\n\u003cli\u003eConnection : Bolt-In Blade\u003c\/li\u003e\n\u003cli\u003eDiameter : 1.5\u003c\/li\u003e\n\u003cli\u003eBarrels : 1\u003c\/li\u003e \t\t\t\t\t\t\t\t\t\t\u003c\/ul\u003e                                         \u003cbr\u003e                                         \u003ch3\u003e\u003cb\u003eProduct Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eWeight : 1.2 \u003c\/li\u003e\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Cutler Hammer","offers":[{"title":"New","offer_id":45118345478303,"sku":"A50QS300-4R-New","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45118345511071,"sku":"A50QS300-4R-ReCert","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/A50QS300-4R.png?v=1758123215","url":"https:\/\/essentialparts.com\/products\/a50qs300-4r-eaton-300a-500vac-dc-semiconductor-fuse-high-speed-bolt-on","provider":"Essential Electric Supply","version":"1.0","type":"link"}