Littelfuse® POWR-GARD® LLSRK125 Current Limiting Time Delay Fuse, 125 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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UPC079458350845
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Manufacturer Part NumberLLSRK125
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CountryUSA|Canada
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Terminal TypeKnife Blade
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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 Rating125 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 Size1-27/32 in Dia x 9-5/8 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 NumberLSRK125.X|8586543
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UNSPSC39121627
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IDEA Index ID8586543
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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® LLSRK125 Current Limiting Time Delay Fuse, 125 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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Littelfuse® POWR-GARD® LLSRK350 Current Limiting Time Delay Fuse, 350 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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The all new LLSRK_ID series fuse is the most advanced Class RK1 fuse available today providing unparalleled performance and protection to modern circuits. The patented Indicator™ technology provides instant identification of a blown fuse greatly enhancing system up time, while the precision formed short circuit elements virtually eliminate damage to components from unexpected electrical faults. In addition, the all new solid state overload section has no moving parts, stopping unnecessary fatigue failures commonly found in other spring loaded fuses.
