Littelfuse® POWR-GARD® LLSRK040 Current Limiting Time Delay Fuse, 40 A, 600 V AC/300 V DC, 200/20 kA Interrupt, RK1 Class, Cartridge Body
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 upto 600 A. 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.
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BrandLittelfuse®
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UPC079458350753
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Manufacturer Part NumberLLSRK040
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CountryUSA
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Terminal TypeFerrule
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MaterialFiberglass
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ClassRK1
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Rejection/Non-RejectionRejection
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TypeCurrent Limiting
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Mounting TypeHolder
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Voltage Rating600 V AC/300 V DC
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Amperage Rating40 A
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SeriesLLSRK
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Indicating/Non-IndicatingNon-Indicating
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Interrupt Rating200/20 kA
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Body Size1-1/16 in Dia x 5-1/2 in L
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Body TypeCartridge
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ElementDual
- Extremely current limiting - reduces damage to circuits and equipment under short circuit conditions
- Stops damaging short circuits faster than any mechanical protective device
- Reduced costs - current limiting design often permits use of readily available, less costly equipment
- Low resistance design reduces power consumption and utility bills
- Excellent time delay - true dual element construction, with separate non-fatiguing thermally-reversible spring loaded thermal overload element, withstands repeated surges within rated time delay without opening needlessly
- Eliminates needless downtime caused by power surges or equipment demands
- 200 kA at 600 VAC, 20 kA at 300 VDC interrupting rating
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Alternative Part NumberLSRK040.T|8586478
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UNSPSC39121627
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IDEA Index ID8586478
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Package DescriptionEACH
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Standards/ApprovalsUL 248-12|UL File No. E81895|CSA LR29862|Federal Specification WF-1814|PROP65: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer
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Specification Sheet
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Owners/User Manual
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Full Engineering Drawing
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Technical Bulletin
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Littelfuse® POWR-GARD® LLSRK040 Current Limiting Time Delay Fuse, 40 A, 600 V AC/300 V DC, 200/20 kA Interrupt, RK1 Class, Cartridge Body
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 upto 600 A. 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.
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