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Littelfuse FLSR150

Littelfuse FLSR150

MPNFLSR150

Fuse, 150A, 600VAC/300VDC, Class RK5|150 Amp Fuse, Rejection, Brand or Series: Class RK5, Indicator, Interrupting Rating: 200000 Amp VAC RMS Symmetrical, Terminal Type: Blade, Rejection, Dimensions: 1 27/32 Diameter x 9 5/8 Length Inch, Voltage Rating: 600 VAC/300 VDC, Features: Time Delay, Dual Element.

$24.92Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

FLSR150 key specifications
ParameterValue
SeriesFLSR
Equivalent seriesECSR, FLSR, FRS-R, TRS-R
Equivalent brand and seriesBussmann FRS-R; Edison ECSR; Littelfuse FLSR; Mersen TRS-R
Compatible fuse block seriesLFR
AC voltage rating600V AC
DC voltage rating300V DC
Body materialFiberglass
StandardsCE; CSA Certification; QPL-W-F-1814; UL 248-12 Class RK5
Amps150 A
BrandLITTELFUSE
ClassRK5
SpeedTime Delay

All specifications

FLSR150 additional specifications
ParameterValue
Length9-5/8 in
ElementDual
Diameter1-27/32 in
Fuse size9-5/8 in L x 1-27/32 in dia
Body styleBlade
Interrupt rating200kA at 600V AC; 20kA at 300V DC
Visual indicationNonindicating
Fits fuse block styleRejection
MPN
FLSR150