{"product_id":"flsr100-id","title":"FLSR100-ID - 100 Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eFLSR100-ID - 100 Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your electrical protection strategy with the Littelfuse FLSR100ID, a high‑performance 100 amp, 600 volt (AC) \/ 300 volt (DC) Class RK5 indicating time‑delay fuse. Designed specifically for demanding industrial and commercial environments, this fuse delivers reliable over‑current protection while reducing downtime and simplifying maintenance. With its dual‑element time‑delay construction and built‑in visual blown‑fuse indicator, the FLSR100ID lets you spot a fault at a glance without taking equipment offline—saving valuable troubleshooting time and keeping your systems running. The knife‑blade terminals ensure secure, low‑resistance connections in heavy‑duty panelboards, motor circuits, and transformer feeds. Whether you’re safeguarding motors, lighting circuits, or control panels, this fuse brings peace of mind and long service‑life performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime‑Delay (Dual‑Element) Performance:\u003c\/strong\u003e Ideal in circuits with high inrush loads (such as motors or lighting banks), this fuse withstands temporary surges without nuisance blowing, yet still responds quickly to over‑current faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating Feature:\u003c\/strong\u003e A built‑in indicator window turns black when the fuse opens, enabling faster fault identification and minimizing system downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual‑Element Design with Current Limiting:\u003c\/strong\u003e Offers superior protection by reducing peak let‑through energy and limiting fault current, which helps safeguard sensitive equipment and reduce risk of collateral damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy‑Duty Knife‑Blade Terminals:\u003c\/strong\u003e Designed for secure insertion into fuse blocks or clips, these terminals provide stable, low‑resistance connections in industrial power‑distribution environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Ratings:\u003c\/strong\u003e Rated for up to 600 V AC and 300 V DC, making this fuse suitable for a broad range of electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e FLSR100ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 100 Amps (continuous)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V AC maximum \/ 300 V DC maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e Class RK5 (time‑delay)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating (AC):\u003c\/strong\u003e 200 kA rms symmetrical at 600 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Rating (DC):\u003c\/strong\u003e 20 kA at 300 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Knife‑Blade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating:\u003c\/strong\u003e Yes (visual blown‑fuse indication)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Compliance and Certifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eUL Listed (File: E81895)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCSA Certified (File: LR29862)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRoHS Compliant (meets global environmental requirements)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Littelfuse FLSR100ID is an excellent choice when you’re protecting critical equipment where reliability matters and troubleshooting speed matters even more. Use it in applications such as motor control centres, transformer feeds, switchboard mains and feeder panels, industrial lighting circuits, and general‑purpose distribution panels in manufacturing plants, commercial buildings, utility service‑entrance systems, or any installation where downtime must be minimized. In short, if you’re specifying a fuse for heavy‑duty circuits that require both dependable fault‑clearing and quick visual identification of failures, this fuse is a top‑tier option.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\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. All trademarks and registered trademarks are the property of their respective owners.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mersen","offers":[{"title":"New In Box","offer_id":50459186692395,"sku":"FLSR100-ID","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459186725163,"sku":"FLSR100-ID  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0758\/1995\/files\/FLSR100ID.png?v=1748461582","url":"https:\/\/store.circuitbreakersuperstore.com\/products\/flsr100-id","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}