Littelfuse® POWR-GARD® JLS300 High Speed Fast Acting Fuse, 300 A, 600 V AC, 200 kA Interrupt, J Class, Cartridge Body
JLS series fuses provide space-saving, fast acting overload and short circuit protection for non-inductive loads. When used for motors or other inductive loads, the ampere rating of JLS series fuses must be increased to prevent nuisance opening on inrush currents. In such applications, JLS fuses may provide only short circuit protection.
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BrandLittelfuse®
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UPC079458200911
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Manufacturer Part NumberJLS300
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CountryUSA
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Terminal TypeKnife Blade
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MaterialMelamine
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ClassJ
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Frequency Rating50/60 Hz
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TypeHigh Speed
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Mounting TypeBolt
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Voltage Rating600 V AC
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Amperage Rating300 A
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SeriesJLS
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Indicating/Non-IndicatingNon-Indicating
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Interrupt Rating200 kA
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Body Size2 in Dia x 7-1/8 in L
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Body TypeCartridge
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ElementSingle
- Space saving - JLS fuse characteristics are similar to KLNR/KLSR fast acting class RK1, but they are much smaller
- Extremely current limiting - stops damaging short circuit current faster than any mechanical protective device
- Fast acting - provides fast acting protection to equipment such as variable speed drives, rectifiers and other equipment containing surge-sensitive components
- Longer equipment life - current-limiting design reduces damage to equipment caused by heating and magnetic effects of short circuit currents
- Economical - extremely current-limiting design often permits use of readily available, less costly equipment
- Easy to use
- North American style
- 200 kA at 600 VAC rms symmetrical
| Competitor Name | Competitor Part Number |
|---|---|
| Grainger | 486J59 |
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Alternative Part Number0JLS300.X|8580601
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UNSPSC39121627
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IDEA Index ID8580601
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Package DescriptionEACH
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Standards/ApprovalsUL 248-8|E81895|CSA LR29862|Federal Specification WF-1814 (QPL-W-F-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® JLS300 High Speed Fast Acting Fuse, 300 A, 600 V AC, 200 kA Interrupt, J Class, Cartridge Body
JLS series fuses provide space-saving, fast acting overload and short circuit protection for non-inductive loads. When used for motors or other inductive loads, the ampere rating of JLS series fuses must be increased to prevent nuisance opening on inrush currents. In such applications, JLS fuses may provide only short circuit protection.
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