Littelfuse FLNR300ID Class RK5 Fuse 300A 250VAC 125VDC Knife-Blade Slo-Blo

The FLNR300ID from Littelfuse is engineered with advanced time-delay characteristics, making it an ideal choice for applications in industrial control panels and distribution panelboards. This innovative fuse effectively reduces nuisance openings, thereby extending its lifespan and minimizing unnecessary downtime. With a unique indicator window that clearly displays the fuse status, operators can quickly ascertain whether the fuse has opened, facilitating prompt maintenance without the need for additional testing. Designed to enhance safety, this fuse also significantly lowers the risk of equipment damage by offering superior overload and short circuit protection. Furthermore, its versatility allows for use across a variety of applications, effectively reducing the need for a large inventory of fuses. Whether utilized in service entrance switches or motor control centers, the FLNR_ID series blends reliability with practicality, contributing to safer and more efficient operations across diverse electrical systems.

• Dual-element construction for enhanced short circuit and overload protection
• Advanced time-delay design reduces nuisance openings
• Indicator window provides quick fuse status visibility
• High interrupting rating of 300 kA at 250 VDC for superior safety
• UL Listed, CSA Certified, and meets QPL WF-1814 safety standards
• Class RK5 rating for general-purpose industrial applications
• Knife-blade design for easy installation and replacement
• Versatile use across industrial control, distribution, and motor control panels
• Reduces fuse inventory by supporting multiple applications
• Improves safety by minimizing exposure to live circuits during fuse indication

• Ampere Rating: 300 A
• Voltage Rating AC: 250 V
• Voltage Rating DC: 125 V
• Interrupting Rating: 300 kA @ 250 VDC
• Fuse Type: Indicator, Dual Element, Time Delay
• Standard: Standard 248-12, Class RK5
• Compliance: UL Listed, CSA Certified, QPL WF-1814
• Series: FLNR_ID

Certification

Datasheets