Littelfuse FLSR001 Class RK5 Fuse 1A 300VDC 600VAC Slo-Blo Time Lag 20000A Interrupting Industrial Cartridge

Engineered for precision and reliability in high-demand scenarios, the FLSR001 - FLSR Series from Littelfuse provides superior short circuit protection, outperforming traditional non-current limiting mechanical protective devices. With an impressive interrupting capacity of up to 200,000 A.I.R., this device ensures dependable interruption of overcurrents, making it an essential choice for industrial control panels, distribution panelboards, and load centers. The FLSR Series is designed for compatibility with a variety of applications, including service entrance switches, switchboard main and feeder switches, and individual fused combination motor controllers. As a slow-blow time delay option, it offers both accurate and consistent responses to overloads and short circuits, thanks to its automated, precision manufacturing processes. This level of performance guarantees the protection of motor control center mains and branch circuits, as well as all general-purpose circuits, safeguarding your operations with exceptional dependability.

• High interrupting rating of 200,000 amperes for dependable overcurrent protection
• Dual-element current limiting design for advanced short circuit and overload protection
• Time delay (Slo-Blo) feature for accurate response to motor starting and transient overloads
• Faster acting short circuit protection than non-current limiting devices
• Automated precision manufacturing ensures consistent and reliable fuse operation
• Compatible with industrial control panels, distribution panelboards, and load centers
• Suitable for service entrance switches, switchboard main and feeder switches
• Protects motor control center mains, branch circuits, and individual fused combination motor controllers
• Safeguards all general purpose circuits

• Voltage: 600 VAC, 300 VDC
• Ampere Rating: 1 A
• Interrupting Rating: 20 kA @ 300 VDC, 200 kA rms AC
• Fuse Type: Dual-element, Time Delay, Current limiting
• Opening: Slo-Blo/Time Lag (T)/Time Delay
• Dimensions A: 2 in to 13 3/8 in (varies by amp rating)
• Dimensions B: 1/2 in to 3 in (varies by amp rating)
• Approvals: UL Listed, CSA Certified, Federal Spec. WF-1814 (QPL)

Certification

Datasheets