Littelfuse® POWR-GARD® JLS400 High Speed Fast Acting Fuse, 400 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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UPC079458200935
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Manufacturer Part NumberJLS400
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CountryUSA|Canada
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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 Rating400 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 | Cross-Reference Number |
|---|---|
| Grainger | 486J61 |
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Alternative Part Number0JLS400.X|8580616
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UNSPSC39121627
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IDEA Index ID8580616
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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® JLS400 High Speed Fast Acting Fuse, 400 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.
Each heater is identified by a catalog number stamped on one terminal. The heater application table indicates the range of full load motor current to which a given heater may be applied. Heaters should be selected on the basis of the actual full load current and service factor as shown on the motor nameplate or in the manufacturer's published literature. When motor and overload relay are in the same ambient and the service factor of the motor is 1.15 to 1.25, select heaters from the heater application table. If the service factor of the motor is 1 or there is no service factor shown or a maximum of 115% protection is desired, select one size smaller heater than indicated.
Littelfuse® POWR-GARD® FLSR040 FLSR Current Limiting Time Delay Fuse, 40 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.
