Littelfuse L50S030 Semiconductor Fuse 30A 20000A@450VDC Very Fast-Acting 500VAC

Offering advanced protection in electrical systems, the L50S Series fuse by Littelfuse is engineered for exceptional performance, especially in semiconductor applications. With an impressive current-limiting capability, it features low I2t and peak let-through currents that ensure reliable operation while safeguarding sensitive components. Recognized by UL, this high-speed fuse is ideal for providing supplementary protection in UL listed equipment, further enhancing its reliability for modern electronic needs. Its robust specifications, including a 30 ampere rating and notable interrupting ratings of 20 kAIC for DC systems and up to 200 kAIC for AC systems, guarantee effective interruption of overcurrents across diverse environments and future system demands. This fast-acting fuse is an essential component for any system requiring dependable protection against potential electrical faults.

• Extremely current limiting with low I2t and peak let-through currents
• Very fast-acting operation to protect sensitive components
• High interrupting rating of 200 kAIC AC and 20 kAIC DC
• Rated for 500 VAC and 450 VDC for versatile voltage compatibility
• Wide operating temperature range from -55°C to +125°C
• Melamine body with silver-plated copper terminals for durability and conductivity
• Cylindrical mounting type designed for 10-30 A applications
• UL Recognized and RoHS Compliant for safety and environmental assurance
• Recommended fuse torque of 15 N·m with M8 hardware for secure installation

• Amperage: 30 A
• Voltage: 500 Vac, 450 Vdc
• Interrupting Rating: 20 kAIC DC, 200 kAIC AC
• Opening Type: Very Fast-Acting (FF)
• Material: Body Melamine, Copper (silver plated) Terminals
• Mounting Type: Cylindrical (10-30 A)
• Operating Temperature Range: -55°C to +125°C
• Fuse Torque: 15 N·m (132.76 in-lb)
• Hardware Size: M8 (5/16 in.)
• Dimensions: A: 1 5/8 in (41.3 mm), B: 2 1/4 in (57.2 mm), C: 2 1/2 in (63.5 mm), D: 3 3/16 in (81.0 mm), E: 1 5/16 in (20.6 mm), F: 23/32 in (18.3 mm), G: 11/32 in (8.7 mm), H: 1/2 in (3.2 mm)
• Power Loss at 100% Rated Current: 10 W
• Power Loss at 80% Rated Current: 5 W
• Compliance: UL Recognized, RoHS Compliant
• Country of Origin: Mexico

Datasheets

Certification

Environmental Info