{"product_id":"la70qs300-4-littelfuse-300a-700vac-vdc-very-fast-acting-semiconductor-fuse","title":"LA70QS300-4 - Littelfuse 300A 700VAC\/VDC Very Fast-Acting Semiconductor Fuse","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003eLA70QS300-4\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003eLA70QS300-4\u003c\/b\u003e is a high-speed semiconductor fuse from Littelfuse designed to protect power converters, drives, and control circuit applications with extremely fast response and current-limiting performance. The L70QS Series delivers optimized circuit protection for sensitive, high-power semiconductor devices commonly found in pulp and paper industries, cranes, heavy-lifting equipment, processing industries, wastewater treatment plants, and large factories. \u003cb\u003eL70QS300-4\u003c\/b\u003e features lower I2t performance characteristics that extend device longevity while reducing potentially damaging heat energy. Universal mounting options accommodate installation into a variety of application configurations. \u003cul\u003e\n\u003cli\u003eCurrent Rating: 300 Amps\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 700 VAC \/ 700 VDC\u003c\/li\u003e\n\u003cli\u003eResponse Time: Very Fast-Acting (FF)\u003c\/li\u003e\n\u003cli\u003eInterrupt Rating: 200 kA @ 700 VAC\u003c\/li\u003e\n\u003cli\u003eFuse Type: Semiconductor Cartridge\u003c\/li\u003e\n\u003cli\u003eBody Material: Melamine\u003c\/li\u003e\n\u003cli\u003eMounting Method: Bolt-In\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -55°C to +125°C\u003c\/li\u003e\n\u003cli\u003ePOWR-SPEED Technology: Extremely current-limiting\u003c\/li\u003e\n\u003cli\u003eCompliance: Halogen-free, RoHS and REACH compliant\u003c\/li\u003e\n\u003cli\u003eClass aR Performance: Traditional North American bolted style\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: LA70QS300-4\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 : LA70QS\u003c\/li\u003e\n\u003cli\u003eVoltage : 700\u003c\/li\u003e\n\u003cli\u003eAmperage : 300\u003c\/li\u003e\n\u003cli\u003eAIC rating : 200kA@700V\u003c\/li\u003e\n\u003cli\u003eConnection : Bolt-In\u003c\/li\u003e\n\u003cli\u003eDiameter : 2\u003c\/li\u003e\n\u003cli\u003eBarrels : 1\u003c\/li\u003e\n\u003cli\u003eVelocity : VFA - Very Fast Action\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 \u003c\/li\u003e\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Littelfuse","offers":[{"title":"New","offer_id":45171770130591,"sku":"LA70QS300-4-New","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Re-Certified","offer_id":45171770163359,"sku":"LA70QS300-4-ReCert","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/LA70QS300.png?v=1758641672","url":"https:\/\/essentialparts.com\/products\/la70qs300-4-littelfuse-300a-700vac-vdc-very-fast-acting-semiconductor-fuse","provider":"Essential Electric Supply","version":"1.0","type":"link"}