Littelfuse FLSR.500ID Indicator Fuse 0.5A 600VAC 300VDC Slo-Blo Time Delay Industrial Cartridge

The FLSR.500ID from Littelfuse stands out as a critical component for enhancing safety and efficiency in electrical systems. Its application spans across motor control center mains, service entrance switches, and distribution panelboards, making it a versatile solution for various industrial settings. The superior performance characteristics of the FLSR_ID Indicator fuse significantly reduce the need for extensive fuse inventory, while also providing optimal overload and short circuit protection to minimize potential equipment damage. Designed to improve operational reliability, this fuse features a unique indicating window that allows for immediate identification of open fuses without the need for testing, thereby reducing downtime. The simplicity of determining whether a fuse is blown—evident by a dark window—enables machine operators to quickly request the necessary maintenance. Additionally, the construction of the FLSR_ID Indicator fuse enhances safety by reducing the risks associated with live circuits, as it offers clear blown fuse indication regardless of the power status. With a robust construction that accommodates high voltage and current ratings, this fuse represents a reliable choice for industrial control panels and various general-purpose circuits.

• Visual blown fuse indicator for immediate identification
• High interrupting rating for enhanced safety
• Dual-element time-delay design for overload protection
• Current limiting to reduce let-through energy
• UL Listed, CSA Certified, and QPL compliant
• Versatile voltage rating of 600 V AC and 300 V DC
• Suitable for motor control centers and service entrance switches
• Protection for fully-rated panelboards and loadcenters
• Superior performance reduces fuse inventory needs
• Robust construction enhances operational reliability and safety

• Voltage: 600 V AC, 300 V DC
• Ampere Rating: 0.5 A
• Interrupting Rating: 20,000 A at 300 V DC, 200 kA rms symmetrical AC
• Opening Type: Time Delay (Slo-Blo)
• Fuse Type: Dual Element, Time Delay, Current Limiting
• Series: FLSR_ID
• Indication: Visual blown fuse indicator with solid state design
• Compliance: UL Listed, CSA Certified, QPL (Federal Specification WF-1814)

Certification

Datasheets