{"product_id":"flsr250-id","title":"FLSR250-ID - 250Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eFLSR250-ID - 250Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen you're tracking down the right 250A Class RK5 replacement fuse, the small details can make a big difference. The FLSR250-ID (manufacturer reference FLSR250ID) combines a 250-amp continuous current rating, 600V AC maximum rating, 300V DC maximum rating, and time-delay operation in a knife-blade configuration. What separates this model from the standard non-indicating version is right in the name: the FLSR250-ID is an indicating fuse. That feature can make fuse-status checks more convenient during troubleshooting and routine maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e250A continuous current rating – Built for equipment and circuits specified for a 250-amp Class RK5 fuse.\u003c\/li\u003e\n\u003cli\u003eIndicating design – Provides a useful fuse status indication that simplifies maintenance and troubleshooting600 V0V AC maximum rating – Supports compatible AC applications requiring a fuse rated up to 60Vt300 V00V DC maximum rating – Also rated for correctly specified DC applications up to 3Vlts.\u003c\/li\u003e\n\u003cli\u003eSlo-Blo \/ time-delay operation – Accommodates appropriate temporary inrush and startup currents while retaining the fuse's intended overcurrent-protection function.\u003c\/li\u003e\n\u003cli\u003eDual-element construction – Gives the FLSR250-ID its time-delay operating characteristics.\u003c\/li\u003e\n\u003cli\u003eClass RK5 configuration – An important detail when matching an existing fuse or equipment specification.\u003c\/li\u003e\n\u003cli\u003eKnife-blade construction – Intended for compatible fuse blocks, clips, and holders.\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 FLSR250-ID\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Reference:\u003c\/strong\u003e FLSR250ID\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FLSR_ID\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Time-Delay Indicating Fuse\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\u003eFuse Class:\u003c\/strong\u003e Class RK5\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Current Rating:\u003c\/strong\u003e 250A\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 Characteristic:\u003c\/strong\u003e Slo-Blo \/ Time Lag (T) \/ Time Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction \/ Size:\u003c\/strong\u003e Knife-Blade\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating:\u003c\/strong\u003e Yes\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 LFR60400 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\u003eThe available product information specifically identifies the FLSR250-ID as a Class RK5 fuse. However, catalog-specific UL, CSA, RoHS, or other material-compliance declarations were not included in the specifications provided here. Rather than assuming that a certification for another fuse in the same series automatically applies to this exact catalog number, those requirements should be checked against the current documentation for the FLSR250ID.\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 FLSR250-ID makes sense when the application specifically calls for a 250A Class RK5 time-delay fuse and an indicating configuration is preferred or required. In circuits where appropriate short-duration startup or inrush current occurs during normal operation, the time-delay characteristics of that current help distinguish those temporary conditions from sustained overcurrent conditions.\u003cbr\u003e\u003cbr\u003eThe indicating feature is particularly useful from a maintenance standpoint. When you're checking electrical equipment after a fault or investigating why a circuit is down, indicating fuse status can make the initial inspection more straightforward.\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":50459187773739,"sku":"FLSR250-ID","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459187806507,"sku":"FLSR250-ID  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/flsr250-id","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}