{"product_id":"l50qs400","title":"L50QS400 - Littelfuse 400A 500V AC\/DC High-Speed Semiconductor Fuse, Class aR, Round Body","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003eL50QS400\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003eL50QS400\u003c\/b\u003e is a Littelfuse high-speed semiconductor fuse designed for protecting sensitive high-power semiconductor devices in industrial applications.This fuse features a 400 ampere current rating and a voltage rating of 500 volts AC\/DC. It is a very fast-acting (FF) Class aR fuse with a round body cartridge style, optimized for power converters, UPS systems, variable speed drives, and control circuits. The fuse has an interrupting rating of 200 kA at 500 VAC and 50 kA at 500 VDC, ensuring reliable protection under high fault conditions. It is halogen-free, RoHS and REACH compliant, and carries cURus and CE certifications.\u003cul\u003eKey Specifications\u003cul\u003e\n\u003cli\u003eCurrent Rating: 400 A\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 500 V AC\/DC\u003c\/li\u003e\n\u003cli\u003eInterrupting Rating: 200 kA AC \/ 50 kA DC\u003c\/li\u003e\n\u003cli\u003eFuse Class: aR\u003c\/li\u003e\n\u003cli\u003eBody Style: Round Body Cartridge\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -55°C to +125°C\u003c\/li\u003e\n\u003cli\u003eMaterial: Melamine body, silver-plated copper alloy caps\u003c\/li\u003e\n\u003cli\u003eMounting Type: Bolt mount\u003c\/li\u003e\n\u003cli\u003eCertifications: cURus, CE, RoHS, REACH\u003c\/li\u003e\n\u003cli\u003eHalogen Free: Yes\u003c\/li\u003e\n\u003c\/ul\u003eAt \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: L50QS400\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Littelfuse\u003c\/li\u003e\n\u003cli\u003eBrand : Littelfuse\u003c\/li\u003e\n\u003cli\u003eCategory : Fuse\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Low Voltage\u003c\/li\u003e\n\u003cli\u003eFamily : Powr-Speed\u003c\/li\u003e\n\u003cli\u003eType : L50QS Series â€šÃ„Ã¬ High-Speed Semiconductor Fuse, Round Body\u003c\/li\u003e\n\u003cli\u003eVoltage : 500\u003c\/li\u003e\n\u003cli\u003eAmperage : 400\u003c\/li\u003e\n\u003cli\u003eAIC rating : 200kA@500V\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\n\u003cul\u003e\n\u003cli\u003eUPC : 079458860085\u003c\/li\u003e\n\u003cli\u003eWeight : 2 \u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          \u003c\/ul\u003e","brand":"Littelfuse","offers":[{"title":"New","offer_id":62533930123423,"sku":"L50QS400-New","price":100.71,"currency_code":"USD","in_stock":true}],"url":"https:\/\/essentialparts.com\/products\/l50qs400","provider":"Essential Electric Supply","version":"1.0","type":"link"}