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Littelfuse

Littelfuse FLSR600 600A 600V Class RK5 Dual-Element Time-Delay Fuse

Part Number: FLSR600

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The Littelfuse FLSR Series catalog number FLSR600 is rated 600A for 600V AC / 300V DC service. The series configuration provides dual-element Class RK5 fuse response together with 200kA AC interruption. Confirm application details against the manufacturer datasheet.

Rated Current600A
Rated Voltage600V AC / 300V DC
Breaking Capacity200kA AC
PackageClass R

Littelfuse identifies FLSR600 as a 600A FLSR Series fuse for 600V AC / 300V DC applications. The documented package is Class R, paired with ferrule / blade (amp-dependent) terminals and 200kA AC interrupting performance. Published dimensions for this rating/configuration are 339.7mm length; ~79mm max body diameter. Its dual-element time-delay behavior is intended to ride through normal motor inrush while protecting against overloads and short circuits. Typical uses cover Motor, Transformer, Service Entrance, Feeder Circuits, general-purpose circuits. Check UL 248-12 and the manufacturer datasheet before final selection.

Technical Specifications

Part Number
FLSR600
Manufacturer Part Number
FLSR600
Series
FLSR Series
Fuse Type
Dual-Element Time-Delay Class RK5 Fuse
Current Rating
600A
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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