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Littelfuse

Littelfuse FLNR001 1A Class RK5 Dual-Element Time-Delay Fuse

Part Number: FLNR001

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For a 1A option in the FLNR Series, Littelfuse specifies FLNR001. Its key electrical ratings are 250V AC / 125V DC with 200kA AC breaking capability. Its dual-element, current-limiting construction is designed for both overload and short-circuit protection. Package and mounting details are included below; verify final use against the official datasheet.

Rated Current1A
Rated Voltage250V AC / 125V DC
Breaking Capacity200kA AC
PackageClass R

For 1A service, FLNR001 is a listed member of the Littelfuse FLNR Series. The electrical profile combines 250V AC / 125V DC operation and 200kA AC breaking performance. Its dual-element, current-limiting construction is designed for both overload and short-circuit protection. The package is Class R, using Cartridge / Clip mounting and ferrule / blade (amp-dependent) terminals. Published dimensions are 50.8mm length; 14.3mm max body diameter. Typical applications include Motor, Transformer, Service Entrance, Feeder Circuits, General Purpose. Check the official Littelfuse datasheet before final coordination.

Technical Specifications

Part Number
FLNR001
Manufacturer Part Number
FLNR001
Series
FLNR Series
Fuse Type
Dual-Element Time-Delay Class RK5 Fuse
Current Rating
1A
Voltage Rating
250V AC / 125V DC
AC / DC
AC/DC
Breaking Capacity
200kA AC
Package / Dimensions
Class R
Mounting
Cartridge / Clip
Application
Feeder circuits · General purpose protection · Motor · Service entrance · Transformer
Standard
UL 248-12
Terminal Type
Ferrule / Blade (amp-dependent)
Fuse Speed
Dual Element · Time Delay
Utilization Class
Class RK5
Approvals
CSA · UL Listed
Certifications
UL Listed · CSA
DC Voltage Rating
125V DC
DC Interrupting Rating
20kA

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