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LLNRK450

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LLNRK450

FUS 250V T/D CLASS RK1 450A | Series: LLNRK
info
Littelfuse LLNRK and LLSRK series POWR-PRO™ fuses provide superior overload and short circuit protection for service entrance, main, feeder and general-purpose branch circuits up to 600 amperes.

LLNRK/LLSRK series fuses can be installed in existing Class H fuse blocks to upgrade systems containing lower interrupting rating Class H one-time or renewable fuses.
PropertyValue
Current Rating (Continuous) in Amps
450
Interrupting Rating
20 kA @ 125 Vdc
Opening
Slo-Blo/Time Lag (T)/Time Delay
Maximum AC Voltage (V)
250
Voltage Rating (V)
125
Family style
Powr-Pro Fuse
Fuse Class
Class RK1
Indicating
No
interrupt Amperage (A) - 1
200000
interrupt Amperage (A) - 2
300000
Interupt Amperage 3
20000
interrupt Voltage Type AC/DC) - 1
AC
interrupt Voltage Type AC/DC) - 2
AC
Interupt Voltage Type ACDC - 3
DC
interrupt Voltage (V) -1
250
interrupt Voltage (V) -2
250
Interupt Voltage - 3
125
Mounting Method
Fuse Block / Clip / Holder
PG Holder
LFR25600 Series
  • Extremely current limiting, which reduces damage to circuits and equipment
  • 300 kA interrupting rating
  • Current-limiting performance permits use of less-costly equipment and low resistance reduces power consumption
  • Two-elements, including a thermally reversible spring-loaded thermal overload element, ensures excellent time delay for minimal nuisance opening

LLNRK450 Applications

Highlights Section

  • All general-purpose circuits
  • Motors
  • Transformers
  • Solenoids
  • Fluorescent lighting
  • All system components with high in-rush currents

LLNRK450 Resources

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Part NumberPart DescriptionRoHSPb-FreeRoHS (2015/863/EU) CertificateREACH (SVHC's) DeclarationREACH (SVHC's)Halogen FreeIPC-Material Declaration
LNRK450.XFUS 250V T/D CLASS RK1 450A

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