Littelfuse FLSR050 Industrial Cartridge Fuse 50A 600VAC 20000A@300VDC Slo-Blo

The FLSR050 from Littelfuse represents cutting-edge advancements in short circuit protection, offering rapid response capabilities that surpass traditional non-current limiting devices. This reliable solution is ideal for a variety of applications, including service entrance switches, distribution panelboards, and industrial control panels, where accurate and consistent performance is crucial. With a robust interrupting rating of 200,000 A.I.R., it ensures the safe interruption of overcurrents, safeguarding fully-rated panelboards and individual fused motor controllers alike. Designed for durability, this industrial cartridge fuse is essential for protecting both main and feeder switches, ensuring seamless operation in even the most demanding electrical environments.

• Dual-element, time delay design protects against short circuits and overloads
• High interrupting rating of 200,000 A at 600 VAC for safe overcurrent protection
• Current limiting reduces damage during fault conditions
• Slo-Blo feature prevents nuisance blowing from temporary overloads
• Class RK5 standard compliance ensures recognized reliable performance
• UL Listed, CSA Certified, and QPL compliance guarantees safety and quality
• Accurate and reliable automated manufacturing ensures consistent response
• Robust construction for main and feeder switch protection in industrial settings
• Ideal for use in service entrance switches and distribution panelboards
• Suitable for motor control centers and individual fused motor controllers

• Voltage Rating: 600 VAC, 300 VDC
• Ampere Rating: 50 A
• Interrupting Rating: 20,000 A @ 300 VDC, 200,000 A @ 600 VAC
• Fuse Type: Dual Element, Time Delay (Slo-Blo/Time Lag)
• Standard: Class RK5, Standard 248-12
• Fuse Series: FLSR
• Dimensions: 5 7/8 in (149.2 mm) length, 1 1/4 in (31.8 mm) diameter
• Compliance: UL Listed, CSA Certified, QPL

Certification

Datasheets