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Littelfuse

Littelfuse FLSR003 3A 600V Class RK5 Dual-Element Time-Delay Fuse

Part Number: FLSR003

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For 3A protection, Littelfuse FLSR003 brings 600V AC / 300V DC capability to the FLSR Series. The fuse uses dual-element Class RK5 fuse technology with 200kA AC rated interruption on the primary AC rating. Refer to the official datasheet for final coordination.

Rated Current3A
Rated Voltage600V AC / 300V DC
Breaking Capacity200kA AC
PackageClass R

Rated 3A, FLSR003 belongs to the Littelfuse FLSR Series and uses a Dual-Element Time-Delay Class RK5 Fuse construction for 600V AC / 300V DC circuits. For installation, use the specified cartridge / clip arrangement; the Class R device is rated for 200kA AC interruption. Published dimensions for this rating/configuration are 127.0mm length; 20.7mm max body diameter. Its dual-element time-delay behavior is intended to ride through normal motor inrush while protecting against overloads and short circuits. Applications include Motor, Transformer, Service Entrance, Feeder Circuits, general-purpose circuits. Confirm final suitability with the official datasheet and UL 248-12.

Technical Specifications

Part Number
FLSR003
Manufacturer Part Number
FLSR003
Series
FLSR Series
Fuse Type
Dual-Element Time-Delay Class RK5 Fuse
Current Rating
3A
Voltage Rating
600V AC / 300V 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
300V DC
DC Interrupting Rating
20kA

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