{"product_id":"flsr600","title":"FLSR600 - 600 Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eFLSR600 - 600 Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen you're replacing a 600-amp fuse, getting the catalog number right is only part of the job. The FLSR600 is a 600A Class RK5 dual-element time-delay fuse built for electrical systems requiring knife-blade construction and ratings up to 600V AC or 300V DC. Its Slo-Blo\/Time Lag characteristic is particularly useful in properly specified circuits where brief startup or inrush current is normal—you get the time-delay behavior the equipment calls for without treating every temporary current surge as a fault.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e600A continuous rating – Made for circuits specifically engineered around 600-amp fuse protection.\u003c\/li\u003e\n\u003cli\u003eClass RK5 – Gives you the fuse classification needed when the equipment specification calls for RK5.\u003c\/li\u003e\n\u003cli\u003eTime-delay operation – The Slo-Blo\/Time Lag characteristic accommodates appropriate short-duration startup and inrush current within the fuse's specified operating limits.\u003c\/li\u003e\n\u003cli\u003eDual-element construction – Combines dual-element operation with the required time-delay response.\u003c\/li\u003e\n\u003cli\u003eKnife-blade style – Straightforward physical configuration for compatible fuse blocks, clips, and holders.\u003c\/li\u003e\n\u003cli\u003eNon-indicating design – An important detail when matching an existing FLSR600 or equipment specification.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e FLSR600\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FLSR\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Type:\u003c\/strong\u003e Dual-Element Time-Delay Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e Class RK5\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Current Rating:\u003c\/strong\u003e 600A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum AC Voltage:\u003c\/strong\u003e 600V AC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum DC Voltage:\u003c\/strong\u003e 300V DC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpening:\u003c\/strong\u003e Slo-Blo \/ Time Lag (T) \/ Time Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize \/ Construction:\u003c\/strong\u003e Knife-Blade\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFamily Style:\u003c\/strong\u003e Dual Element Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating:\u003c\/strong\u003e No\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Interrupting Rating:\u003c\/strong\u003e 20 kA at 300V DC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Listed AC Interrupt Amperage:\u003c\/strong\u003e 200,000A and 300,000A at 600V AC*\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Method:\u003c\/strong\u003e Fuse Block \/ Clip \/ Holder\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePG Holder:\u003c\/strong\u003e LFR60600 Series\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Compliance and Certifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHere's an area where it pays not to guess. The supplied manufacturer information identifies the FLSR600 as a Class RK5 fuse but does not provide catalog-specific UL, CSA, RoHS, or other material-compliance details.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe FLSR600 is a practical match for properly engineered electrical equipment calling for a 600A Class RK5 time-delay fuse. Its Slo-Blo characteristic becomes especially relevant in applications where temporary startup or inrush current is expected, and the system has been designed around the fuse's time-current characteristics.\u003cbr\u003e\u003cbr\u003eIt also makes sense as a like-for-like replacement when the existing specification calls for an FLSR600, knife-blade construction, and a non-indicating configuration. For maintenance personnel, that makes identification easier—but don't rely on the 600A marking alone. Confirm the fuse class, AC or DC voltage requirements, interrupting capacity, time-delay characteristic, and holder compatibility as part of the replacement check.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\n\u003cblockquote\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eUse of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer.\u003cstrong\u003e CIRCUIT BREAKER SUPERSTORE®\u003c\/strong\u003e is an independent reseller and is \u003cstrong\u003enot \u003c\/strong\u003ean authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do \u003cstrong\u003enot\u003c\/strong\u003e apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eLittelfuse® is a registered trademark of Littelfuse, Inc. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Littelfuse, Inc. or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Littelfuse","offers":[{"title":"New In Box","offer_id":50459188527403,"sku":"FLSR600","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459188560171,"sku":"FLSR600  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/flsr600","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}