{"product_id":"bussmann-lpj-300sp-300a-600v-fuses-3-pieces","title":"Eaton Bussmann LPJ-300SP Low-Peak Fuse, 300A 600V AC, Class J Dual-Element Time-Delay - Pack of 3","description":"\u003cp\u003e\u003cstrong\u003eLow-Peak™ LPJ Series Class J Dual-Element Time-Delay Fuse - Eaton Bussmann Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Eaton Bussmann LPJ-300SP is a high-performance, current-limiting Class J fuse designed for exceptional circuit protection in industrial and commercial applications. As a premier component of the Low-Peak™ series, this dual-element fuse provides a minimum 10-second time-delay at 500% of the rated current. This thermal characteristic is essential for handling high inrush currents from motors and transformers, virtually eliminating nuisance fuse openings while providing high-speed response to short-circuit conditions.\u003c\/p\u003e\n\u003cp\u003eWith a massive 300kA interrupting rating at 600Vac and 100kA at 300Vdc, the LPJ-300SP offers industry-leading fault current protection. Its advanced design significantly restricts let-through energy to protect downstream components from mechanical and thermal damage. The compact Class J physical dimensions allow for a smaller footprint in panel designs compared to other Class R or Class K solutions, supporting more efficient equipment configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEaton\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBussmann series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLPJ-300SP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eClass J\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e300 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e600 Vac, 300 Vdc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e300kA Vac RMS Sym., 100kA Vdc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Delay:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 seconds (minimum) at 500% of rated current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUL Listed (Class J), CSA Certified, CE, RoHS Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Current Limitation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReduces peak let-through current and I²t levels to protect sensitive electrical distribution gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficient:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptimized dual-element construction minimizes internal resistance, leading to cooler operation and reduced energy loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelective Coordination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintains an easy-to-calculate 2:1 ampacity ratio for simplified selective coordination with other Low-Peak fuses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdeal for achieving Type 2 \"No Damage\" protection for NEMA and IEC motor controllers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e The LPJ-300SP is specifically engineered for branch circuit protection, motor control centers, and feeder circuits. It is widely applied in heavy industrial environments, mission-critical power distribution systems, and HVAC machinery where high-reliability protection and space-saving designs are necessary.\u003c\/p\u003e","brand":"Bussmann","offers":[{"title":"Default Title","offer_id":50340538351895,"sku":null,"price":325.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/bussmann-bussmann-lpj-300sp-300a-600v-fuses-3-pieces-1212525017.png?v=1766353921","url":"https:\/\/www.apexonsupply.com\/products\/bussmann-lpj-300sp-300a-600v-fuses-3-pieces","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}