{"product_id":"bussmann-lpj-500sp-500a-600v-fuses-3-pieces","title":"Eaton Bussmann LPJ-500SP Low-Peak Fuse, 500A 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-500SP is a high-performance Class J dual-element fuse designed for ultimate circuit protection in demanding industrial environments. As part of the Low-Peak™ family, it offers a sophisticated balance of current-limiting performance and time-delay capability. The dual-element construction provides a minimum 10-second time-delay at 500% of the rated current, effectively preventing nuisance openings caused by motor start-up surges or temporary power fluctuations.\u003c\/p\u003e\n\u003cp\u003eWith a massive 300kA interrupting rating at 600Vac, the LPJ-500SP ensures safety during high-magnitude fault events. Its current-limiting nature restricts both the peak let-through current and thermal energy (I²t), providing superior protection for downstream components such as motor controllers, transformers, and distribution panels.\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-500SP\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\u003e500 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\u003eCompliance:\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\u003ePhysical \u0026amp; Operational Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDual-element design features lower resistance than standard fuses, resulting in cooler operation and reduced power loss within the enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe Class J footprint is significantly smaller than Class R or Class K fuses, allowing for more compact equipment and panel designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelective Coordination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSimplifies system design with consistent 2:1 ampacity ratios for all Low-Peak series fuses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e The LPJ-500SP is specifically engineered for branch circuit protection, service entrance equipment, and motor control circuits. It is an industry-standard choice for Type 2 \"No Damage\" protection for NEMA and IEC motor starters, as well as protecting high-power industrial machinery and power distribution systems where high fault currents are possible.\u003c\/p\u003e","brand":"Bussmann","offers":[{"title":"Default Title","offer_id":50340571087127,"sku":null,"price":560.0,"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-500sp-500a-600v-fuses-3-pieces","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}