{"product_id":"flsr125-id","title":"FLSR125-ID - 125Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eFLSR125-ID - 125Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGet serious protection and performance with the Littelfuse FLSR125 ID fuse — a 125‑amp, 600‑volt (AC) \/ 300‑volt (DC) Class RK5 indicating time‑delay fuse engineered for demanding industrial and commercial electrical systems. With its dual‑element, current‑limiting design and built‑in blown‑fuse indicator, the FLSR125 ID offers outstanding circuit protection while allowing fast fault detection to minimize downtime. Whether you’re running heavy motors, branch circuits, or switchgear mains, this fuse helps keep your system safe, reliable, and efficient.\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 (slo‑blow) functionality:\u003c\/strong\u003e Keeps your equipment safe from nuisance trips due to inrush currents while still protecting it from sustained overloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt‑in visual indicator:\u003c\/strong\u003e Instantly shows when a fuse has blown — dramatically reducing troubleshooting time and labor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual‑element, current‑limiting technology:\u003c\/strong\u003e Offers excellent protection against short circuits and overloads, helping extend equipment life and reduce maintenance costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnife‑blade (bladed) terminals:\u003c\/strong\u003e Provide secure, dependable connections in high‑current or critical circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for industrial or commercial applications:\u003c\/strong\u003e Where performance, uptime, and safety matter most.\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 FLSR125 ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Current Rating:\u003c\/strong\u003e 125 Amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Voltage Rating:\u003c\/strong\u003e 600 V AC \/ 300 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e RK5 (Time‑Delay \/ Slo‑Blow)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity:\u003c\/strong\u003e Up to 200 kA at 600 V AC; 20 kA at 300 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Knife‑blade\/bladed design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating Feature:\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\n\u003cstrong\u003eUL Listed and CSA Certified:\u003c\/strong\u003e To applicable fuse standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS compliant:\u003c\/strong\u003e And meets modern environmental and safety requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufactured to Littelfuse quality standards:\u003c\/strong\u003e Ensuring consistent performance and long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis fuse is ideal for heavy‑duty applications such as industrial machinery, commercial lighting circuits, feeder mains, transformers and motor control centers. If you’re an electrical contractor, OEM, or facility maintenance manager looking for a reliable solution to protect your circuits and minimize downtime, the FLSR125 ID is built for that purpose.\u003c\/li\u003e\n\u003c\/ul\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":50459186954539,"sku":"FLSR125-ID","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459186987307,"sku":"FLSR125-ID  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/0758\/1995\/files\/FLSR200IDcopy.png?v=1745356143","url":"https:\/\/store.circuitbreakersuperstore.com\/products\/flsr125-id","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}