Littelfuse® POWR-GARD® JLLS300 Current Limiting Fast Acting Fuse, 300 A, 600 V AC/300 V DC, 20/200 kA Interrupt, T Class, Cartridge Body
Space saving class T fuses are the most compact fuses available in ratings above 30 A less than one-third the size of comparable class R fuses. When rated in accordance with the NEC, class T fuses provide fast acting overload and short circuit protection for non-inductive circuits and equipment. Used in inductive circuits, the ampere rating of class T fuses must be increased to prevent opening on inrush currents. In such instances, class T fuses may provide only short circuit protection.
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BrandLittelfuse®
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UPC079458190915
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Manufacturer Part NumberJLLS300
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CountryUSA
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Terminal TypeKnife Blade
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MaterialMelamine
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ClassT
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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 Rating300 A
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SeriesJLLS
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Indicating/Non-IndicatingNon-Indicating
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Interrupt Rating20/200 kA
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Body Size1.59 in Dia x 3.63 in L
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Body TypeCartridge
- Extremely current- limiting compact design
- Protection of individual electric services and meters
- Used to provide compact protection for meter stacks
- Current limiting design greatly reduces damage to equipment caused by heating and magnetic effects of short circuit currents
- 200 kA AC rms symmetrical and 20 kA DC interrupt rating
- Copper caps
| Competitor Name | Competitor Part Number |
|---|---|
| Grainger | 486M14 |
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Alternative Part NumberJLLS300.X|8580348
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UNSPSC39121627
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IDEA Index ID8580348
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Package DescriptionEACH
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Standards/ApprovalsUL 248-15|UL File No. E81895|CSA Certified|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® JLLS300 Current Limiting Fast Acting Fuse, 300 A, 600 V AC/300 V DC, 20/200 kA Interrupt, T Class, Cartridge Body
Space saving class T fuses are the most compact fuses available in ratings above 30 A less than one-third the size of comparable class R fuses. When rated in accordance with the NEC, class T fuses provide fast acting overload and short circuit protection for non-inductive circuits and equipment. Used in inductive circuits, the ampere rating of class T fuses must be increased to prevent opening on inrush currents. In such instances, class T fuses may provide only short circuit protection.
Littelfuse® POWR-GARD® FLSR110 FLSR Current Limiting Time Delay Fuse, 110 A, 600 V AC/300 V DC, 200/20 kA Interrupt, RK5 Class, Cylindrical Body
Littelfuse® FLSR series fuses have been the superior UL Class RK5 dual element time delay fuses and are the most widely used Class of fuses. FLSR series fuses provide excellent protection for all types of circuits especially those containing motors. However, users and specifiers should consider the significant benefits offered by indicator fuses.
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