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Littelfuse

Littelfuse L25S050 50A 250V aR High-Speed Fuse

Part Number: L25S050

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Rated 50A, L25S050 supports current-limiting protection for converters, UPS systems, drives and power supplies.

Rated Current50A
Rated Voltage250V AC / 200–250V DC
Breaking Capacity200kA AC / 20kA DC
PackageNorth American Bolted Style

Littelfuse L25S050 is rated 50A and belongs to the 250V L25S traditional high-speed family. It combines very-fast-acting Class aR behavior with 200kA AC interrupting capability for sensitive semiconductor and power-conversion equipment. Refer to Littelfuse documentation for exact coordination and installation limits. For cross-reference work, compare its current rating before the series designation, and verify the application category against the Littelfuse technical sheet.

Technical Specifications

Part Number
L25S050
Manufacturer Part Number
L25S050
Series
L25S Series
Fuse Type
Traditional High-Speed Semiconductor Fuse
Current Rating
50A
Voltage Rating
250V AC / 200–250V DC
AC / DC
AC/DC
Breaking Capacity
200kA AC / 20kA DC
Operating Temperature
-55°C to +125°C
Package / Dimensions
North American Bolted Style
Mounting
Bolt-Down
Application
Power Electronics · Power supplies · UPS · Variable Speed Drives
Standard
IEC 60269-4
Terminal Type
Bolted Tags
Fuse Speed
Very Fast Acting
Utilization Class
aR
Approvals
CSA · RoHS · UL Recognized
Certifications
UL Recognized · CSA Recognized · RoHS
Body
Melamine
Caps
Silver-plated copper alloy

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