Littelfuse FLNR03.5 Industrial Cartridge Fuse 3.5A 250VAC 125VDC Slo-Blo

The FLNR Series from Littelfuse is engineered for high reliability in industrial control applications, providing essential protection for various systems, including distribution panelboards and service entrance switches. With an exceptional interrupting rating of 20,000A at 125VDC, this fuse ensures dependable interruption of overcurrents up to 200,000 amperes, making it a superior choice for applications such as motor control center mains, individual fused combination motor controllers, and general-purpose circuits. Its slow-blow design allows for a controlled response to overloads and short circuits, delivering consistent performance where it is most critical. This industrial cartridge fuse is meticulously manufactured to offer faster-acting short circuit protection compared to traditional mechanical devices, ensuring your systems remain safe and operational under extreme conditions.

• Dual-element design for advanced short circuit and overload protection
• Time delay (slo-blo) characteristic for controlled overload response
• High interrupting rating of 20,000 A at 125 VDC for dependable overcurrent interruption
• Rated for 250 VAC and 125 VDC for versatile industrial applications
• Faster acting short circuit protection than non-current limiting mechanical devices
• Accurate and reliable with automated precision manufacturing for consistent performance
• Suitable for motor control center mains and individual fused combination motor controllers
• Provides protection for distribution panelboards, service entrance switches, and loadcenters
• UL Listed, CSA Certified, and meets Federal Specification WF-1814 for safety and quality
• Reliable interruption of overcurrents up to 200,000 amperes

• Voltage: 250 VAC, 125 VDC
• Interrupting Rating: 20,000 A at 125 VDC, 200 kA rms symmetrical AC
• Ampere Rating: 3.5 A
• Fuse Type: Dual-element, Time Delay (Slo-Blo/Time Lag)
• Ampere Range: 0.1–600 A
• Approvals: UL Listed, CSA Certified, Federal Specification WF-1814

Certification

Datasheets