Littelfuse FLSR050ID Industrial Cartridge Fuse 50A 600VAC 300VDC 20000A Slo-Blo

The FLSR050ID from Littelfuse exemplifies cutting-edge design in the realm of electrical protection, featuring enhanced time-delay characteristics that significantly reduce nuisance openings. This industrial cartridge fuse is engineered to serve a variety of applications, simplifying inventory management while ensuring reliable operation in settings such as motor control centers, distribution panels, and service entrance switches. With a robust interrupting rating of 20,000A at 300VDC, it provides superior overload and short circuit protection, effectively minimizing equipment damage and downtime. What sets the FLSR050ID apart is its built-in blown fuse indication feature, which enhances safety by allowing personnel to quickly identify open fuses without the risk posed by live circuits. The simple visibility of the indicating window ensures immediate recognition of fuse status, enabling swift maintenance action. As a reliable solution for general-purpose circuits and industrial control panels, this fuse is an essential component for maintaining operational efficiency and safety in demanding environments.

• Built-in blown fuse indication for quick open fuse identification
• Dual-element construction for advanced short circuit and overload protection
• High interrupting rating of 20,000A at 300 VDC for superior protection
• Enhanced time-delay design reduces nuisance openings
• Current limiting minimizes damage during fault conditions
• Versatile use in motor control centers, distribution panels, and service entrance switches
• UL Listed, CSA Certified, meets Federal Specification QPL WF-1814 for safety and reliability
• Reduces equipment damage through superior overload and short circuit protection
• Immediate open fuse detection reduces downtime
• Compatible with motor control center mains and branch circuits, industrial control panels, and switchboard feeders

• Voltage: 600 VAC, 300 VDC
• Ampere Rating: 50 A
• Interrupting Rating: 20 kA @ 300 VDC
• Opening: Slo-Blo / Time Delay
• Fuse Type: Dual Element, Time Delay, Current Limiting
• Approvals: UL Listed, CSA Certified, QPL WF-1814

Certification

Datasheets